Which preparation is used to help prevent dehydration or achieve rehydration?
A
Lytren solution
B
Liposul
C
Bicytra
D
Mylicon
Question 2Single Answer
Emulsions prepared using Tweens as the principal emulsifying agents are usually of which type?
A
Water-in-oil
B
Oil-in-water
C
Multiple emulsion
D
Microcapsule dispersion
E
reversible
Question 3Single Answer
Compared with the corresponding crystalline form, an amorphous form of a drug is generally?
A
Less soluble
B
More soluble
C
Chemically identical to a solvate
D
Completely insoluble
Question 4Single Answer
A triple-roller mill is particularly useful in pharmaceutical preparation for reducing particle size and producing smooth?
A
Ointments
B
Hard gelatin capsules
C
Aerosols
D
Suppository molds
Question 5Single Answer
Particle-size reduction is most likely to improve drug absorption when absorption is limited primarily by which process?
A
Dissolution of a poorly soluble drug
B
Renal filtration
C
Hepatic metabolism
D
Plasma-protein synthesis
Question 6Single Answer
A material whose apparent viscosity increases as shear rate increases is classified as?
A
Dilatant
B
Newtonian
C
Pseudoplastic
D
Thixotropic
Question 7Single Answer
A solution contains 3 grains of a drug per US fluid ounce. Approximately what is its percentage strength w/v?
A
0.66%
B
0.20%
C
1.50%
D
6.60%
Question 8Single Answer
Cyanocobalamin is which type of substance?
A
Steroid
B
Vitamin
C
Cholinesterase inhibitor
D
Enzyme
Question 9Single Answer
Tweens are best classified as which type of pharmaceutical excipient?
A
Nonionic surfactants
B
Phospholipids
C
Glycosides
D
Inorganic electrolytes
Question 10Single Answer
Which process can promote separation of an emulsion by accelerating movement of dispersed droplets?
A
Centrifugation
B
Buffering
C
Isotonization
D
Sweetening
Question 11Single Answer
Which gastrointestinal effect is characteristically associated with oral iron preparations?
A
Darkening of stools
B
Blue discoloration of saliva
C
Green discoloration of tears
D
Purple discoloration of sweat
Question 12Single Answer
Orally administered lidocaine has limited systemic usefulness largely because it undergoes extensive?
A
First-pass hepatic metabolism
B
Renal tubular secretion before absorption
C
Photochemical degradation in the stomach
D
Pulmonary metabolism before absorption
Question 13Single Answer
On exposure to air and light, phenol may gradually develop which discoloration because of oxidation?
A
Pink to reddish coloration
B
Bright green coloration
C
Deep blue coloration
D
Pure white coloration
Question 14Single Answer
Approximately how much HgCl₂ is required to prepare 1 US pint (about 473 mL) of a 1:5000 w/v solution?
A
9.5 mg
B
47.3 mg
C
94.6 mg
D
473 mg
Question 15Single Answer
Which sulfonylurea has historically been associated with potentiation of the antidiuretic action of vasopressin?
A
Chlorpropamide
B
Chloramphenicol
C
Phenytoin
D
Dicoumarol
Question 16Single Answer
Which two drug properties are commonly altered by pharmaceutical complexation?
A
Stability and solubility
B
Atomic number and density
C
Molecular formula and atomic mass
D
Radioactivity and isotopic abundance
Question 17Single Answer
If drug distribution into tissues occurs more slowly than elimination from plasma, what is most likely to occur initially?
A
Failure to rapidly attain distribution equilibrium
B
Immediate pharmacodynamic tolerance
C
Complete inhibition of metabolism
D
Irreversible plasma-protein binding
Question 18Single Answer
In pharmaceutical aerosol terminology, PSIG stands for?
A
Pounds per square inch gauge
B
Pressure standard in glass
C
Pounds per square inch gravity
D
Propellant strength in grams
Question 19Single Answer
In the older terminology of radiation protection, the abbreviation rem stands for?
A
Roentgen equivalent man
B
Radiation emission meter
C
Relative electron mass
D
Roentgen exposure measurement
Question 20Single Answer
Azathioprine is primarily classified as a?
A
Immunosuppressant
B
Cardiotonic
C
Antacid
D
Local anesthetic
Question 21Single Answer
Phenol has which property with respect to water at ordinary conditions?
A
It has appreciable but limited solubility in water
B
It is completely immiscible with water
C
It is a carboxylic acid
D
It is an inorganic base
Question 22Single Answer
The pH of an aqueous solution is fundamentally related to the activity of which ion?
A
Hydrogen ion
B
Sodium ion
C
Chloride ion
D
Calcium ion
Question 23Single Answer
Which tissue commonly serves as an important storage site for highly lipid-soluble drugs?
A
Adipose tissue
B
Corneal epithelium
C
Dental enamel
D
Nail plate
Question 24Single Answer
Extensive distribution or sequestration of a drug in tissues is commonly associated with which pharmacokinetic finding?
A
Large apparent volume of distribution
B
Zero clearance
C
Complete absence of metabolism
D
Very small apparent volume of distribution
Question 25Single Answer
Oxytocin may be administered clinically to?
A
Induce or augment labor
B
Prevent fertilization
C
Treat male hypogonadism
D
Produce chronic hypertension
Question 26Single Answer
Which antibiotic is acid-labile and therefore undergoes substantial degradation in the acidic environment of the stomach?
A
Penicillin G
B
Acetaminophen
C
Hydrocortisone
D
Aspirin
Question 27Single Answer
A surfactant can increase the dissolution of a poorly water-soluble drug primarily by improving?
A
Wetting and interfacial contact
B
Nuclear decay
C
Renal filtration pressure
D
Hepatic blood formation
Question 28Single Answer
Which drug is known to produce blue fluorescence of urine under ultraviolet light?
A
Triamterene
B
Riboflavin
C
Nitrofurantoin
D
Cascara
Question 29Single Answer
Extensive plasma-protein binding generally affects drug biotransformation by?
A
Slowing metabolism of the bound fraction
B
Completely preventing metabolite formation
C
Converting metabolism to renal filtration
D
Always accelerating hepatic metabolism
Question 30Single Answer
Celestone Soluspan contains formulations of which corticosteroid?
A
Betamethasone
B
Dexamethasone
C
Prednisone
D
Cortisone
Question 31Single Answer
The site and timing of drug release from an enteric-coated tablet depend strongly on gastrointestinal?
A
pH and transit conditions
B
Blood group
C
Respiratory rate alone
D
Skin temperature alone
Question 32Single Answer
Carbolic acid is another name for?
A
Phenol
B
Benzoic acid
C
Salicylic acid
D
Acetylsalicylic acid
Question 33Single Answer
Which dosage-form approach is commonly used to improve palatability by masking an unpleasant drug taste?
A
Taste-masking formulation
B
Increasing particle contamination
C
Removing all excipients
D
Increasing microbial load
Question 34Single Answer
Which medium used in compendial sterility testing is suitable for detecting fungi as well as aerobic bacteria?
A
Soybean–casein digest medium
B
Fluid thioglycollate medium only
C
Distilled water
D
Physiological saline alone
Question 35Single Answer
When a product contains an antimicrobial substance that could interfere with a sterility test, the test method should?
A
Neutralize or remove the antimicrobial activity appropriately
B
Automatically declare the product sterile
C
Omit incubation
D
Perform only a visual color test
Question 36Single Answer
Which medium is primarily intended for detection of anaerobic bacteria during compendial sterility testing?
A
Fluid thioglycollate medium
B
Purified water
C
Lactose solution
D
Mineral oil
Question 37Single Answer
Which factor can significantly alter the hepatic metabolism of another drug?
A
Enzyme induction or inhibition
B
Tablet color alone
C
Capsule shell color alone
D
Prescription handwriting style
Question 38Single Answer
What is the principal pharmaceutical role of potassium iodide in strong iodine solution?
A
Increasing the aqueous solubility of iodine
B
Acting as the main preservative
C
Increasing solution viscosity
D
Producing an emulsion
Question 39Single Answer
Which organic nitrate is commonly used for rapid relief of an acute anginal attack when administered sublingually?
A
Nitroglycerin
B
Warfarin
C
Digoxin
D
Hydrochlorothiazide
Question 40Single Answer
The usual adult dose of a drug is 6 grains. According to Young's rule, what dose is calculated for a 6-year-old child?
A
1 grain
B
2 grains
C
3 grains
D
4 grains
Question 41Single Answer
Which storage condition is appropriate for morphine sulfate tablets according to current product labeling?
A
Dispense in a tight, light-resistant container
B
Store permanently exposed to direct sunlight
C
Store in an open container
D
Immerse the tablets in water
Question 42Single Answer
Which plant is an important natural source of the anticancer vinca alkaloids vincristine and vinblastine?
A
Catharanthus roseus
B
Digitalis purpurea
C
Atropa belladonna
D
Strychnos nux-vomica
Question 43Single Answer
How much zinc sulfate is required to prepare 30 mL of a 1:500 w/v solution?
A
30 mg
B
60 mg
C
150 mg
D
500 mg
Question 44Single Answer
If a CNS-active drug is extensively ionized at blood pH, its passive penetration across the blood-brain barrier will generally be?
A
Slower
B
Faster
C
Independent of ionization
D
Instantaneous
Question 45Single Answer
Formation of a more soluble salt of an ionizable drug is commonly used primarily to improve its?
A
Aqueous solubility
B
Atomic number
C
Radioactivity
D
Isotopic composition
Question 46Single Answer
To reduce gastrointestinal irritation associated with niacin, patients are commonly advised to take immediate-release niacin?
A
With food
B
Only on an empty stomach
C
Only with antacids
D
Only after prolonged fasting
Question 47Single Answer
A drug with a biological half-life of 6.9 days would generally be expected to require which dosing pattern compared with a drug having a half-life of only a few hours, assuming other pharmacokinetic factors are similar?
A
Less frequent dosing
B
More frequent dosing
C
Continuous dosing every minute
D
A dosing interval unrelated to pharmacokinetics
Question 48Single Answer
Tween 20 is best classified as a?
A
Hydrophilic nonionic surfactant
B
Lipophilic ionic surfactant
C
Strong inorganic acid
D
Chelating metal ion
Question 49Single Answer
Which pharmacokinetic property does not directly determine the rate at which a drug is absorbed from a solution at its absorption site?
A
Elimination half-life
B
Solution viscosity
C
Drug complexation
D
Micellar solubilization
Question 50Single Answer
For a drug eliminated by first-order kinetics, the elimination half-life is given by which expression?
A
0.693/k
B
k/0.693
C
1/k²
D
2k
Important Questions Package
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Pharmacy
Question 51Single Answer
What is the primary purpose of parabens in pharmaceutical syrups?
A
Solubilizers
B
Preservatives
C
Buffers
D
Tonicity adjusters
Question 52Single Answer
Which of the following is an opioid analgesic?
A
Meperidine
B
Ibuprofen
C
Acetaminophen
D
Naproxen
Question 53Single Answer
Brij is a trade name associated with which type of pharmaceutical excipient?
A
Suspending agent
B
Surfactant
C
Propellant
D
Flavoring agent
Question 54Single Answer
Hemin used in Panhematin is derived from processed?
A
Red blood cells
B
Vitamin B12
C
Ferrous sulfate
D
Liver extract
Question 55Single Answer
Which substance has traditionally been used as a polishing agent in tablet coating?
A
Talc
B
Sodium chloride
C
Lactose
D
Calcium chloride
Question 56Single Answer
Sodium lauryl sulfate is commonly used in pharmaceutical formulations as a?
A
Wetting agent
B
Ketone
C
Preservative
D
Sweetening agent
Question 57Single Answer
A prescription requires 25 mmol of potassium chloride. How many grams of KCl are required if its molecular weight is 74.6 g/mol?
A
0.186 g
B
0.746 g
C
1.865 g
D
7.460 g
Question 58Single Answer
Approximately how many mEq of sodium are present in 1 liter of 0.9% sodium chloride solution before any additional sodium-containing drug is added?
A
77 mEq
B
100 mEq
C
154 mEq
D
308 mEq
Question 59Single Answer
Which statement about chloramphenicol is incorrect?
A
It is well absorbed orally
B
It penetrates many tissues effectively
C
It can cause serious hematologic toxicity
D
It is devoid of clinically important toxicity
Question 60Single Answer
How many grams of potassium sulfate (K₂SO₄; molecular weight ≈174.3) provide 10 mEq of K⁺?
A
0.087 g
B
0.436 g
C
0.872 g
D
1.743 g
Question 61Single Answer
How many milliliters of a 10% w/v KCl solution contain 5 mEq of K⁺ if the molecular weight of KCl is 74.6?
A
0.373 mL
B
1.865 mL
C
3.73 mL
D
7.46 mL
Question 62Single Answer
Gamma globulin fraction is separated from serum by
A
centrifugation
B
filtration
C
dialysis
D
salting out
E
agglutination
Question 63Single Answer
Which historically recognized advantage was associated with cyclacillin compared with ampicillin?
A
Lower incidence of diarrhea
B
Intravenous administration only
C
Complete resistance to all β-lactamases
D
Absence of antibacterial activity
Question 64Single Answer
Hashish is derived from the same plant source as?
A
Marijuana
B
Opium
C
Mescaline
D
LSD
Question 65Single Answer
A patient taking carisoprodol should particularly be cautioned that concomitant use of which substance may increase CNS depression?
A
Alcohol
B
Dietary fiber
C
Calcium-containing food
D
Vitamin C
Question 66Single Answer
Which statement correctly describes the interaction of tetracyclines with polyvalent metal ions?
A
They can chelate calcium, magnesium, aluminum, and iron ions
B
They interact only with sodium ions
C
They cannot form metal complexes
D
Metal ions always increase their gastrointestinal absorption
Question 67Single Answer
Most ionizable drugs used therapeutically behave as?
A
Strong electrolytes
B
Weak electrolytes
C
Permanently neutral compounds
D
Metallic conductors
Question 68Single Answer
Which chemical reaction is an important mechanism of degradation of susceptible drugs in the gastrointestinal tract?
A
Hydrolysis
B
Nuclear fission
C
Polymer crystallization
D
Sublimation
Question 69Single Answer
Sodium polystyrene sulfonate has historically been used primarily for?
A
Reducing elevated serum potassium
B
Treating scabies
C
Treating peptic ulcers
D
Producing local anesthesia
Question 70Single Answer
An isotonic solution with respect to red blood cells is one that ideally causes?
A
Neither hemolysis nor crenation
B
Hemolysis only
C
Crenation only
D
Irreversible erythrocyte precipitation
Question 71Single Answer
Hyaluronidase may be used as an adjunct to subcutaneous fluid or drug administration because it can?
A
Increase dispersion and absorption
B
Prevent all drug oxidation
C
Produce sustained release
D
Inhibit renal excretion
Question 72Single Answer
The commonly used buffer equation relating pH, pKa, and the ratio of conjugate base to acid is known as the?
A
Henderson-Hasselbalch equation
B
Stokes equation
C
Young equation
D
Noyes-Whitney equation
Question 73Single Answer
What is the approximate pKw of pure water at 25°C?
A
1
B
7
C
14
D
25
Question 74Single Answer
Edetate disodium has historically been used to reduce elevated levels of which ion?
A
Calcium
B
Sodium
C
Potassium
D
Lithium
Question 75Single Answer
Which type of drug requires metabolic conversion to an active compound before producing its intended therapeutic effect?
A
Prodrug
B
Antacid
C
Adsorbent
D
Osmotic laxative
Question 76Single Answer
Why should aspirin-containing tablets generally be protected from excessive moisture during storage?
A
Moisture promotes hydrolysis of aspirin
B
Moisture converts aspirin into penicillin
C
Moisture eliminates its molecular mass
D
Moisture makes aspirin radioactive
Question 77Single Answer
Benzalkonium chloride is incompatible with and may be inactivated by?
A
Anionic soaps
B
Purified water
C
Sodium chloride at physiological concentration
D
Glycerin alone
Question 78Single Answer
Chilling certain oral liquid medicines immediately before administration can primarily improve their?
A
Palatability
B
Ionization constant
C
Molecular weight
D
Renal clearance
Question 79Single Answer
Which administration strategy can maintain a controlled systemic input of a drug when continuous delivery is desired?
A
Intravenous infusion
B
Single topical dusting
C
Gargling followed by expectoration
D
External powder application
Question 80Single Answer
A chromogen is best defined as a substance that?
A
Can give rise to a colored compound
B
Fixes every dye permanently
C
Is necessarily a certified food dye
D
Must itself always be intensely colored
Question 81Single Answer
How many grams of aspirin are required to prepare 484 mL of a 12% w/v aspirin solution?
A
48.0 g
B
58.1 g
C
66.0 g
D
76.0 g
Question 82Single Answer
Hydrolysis of aspirin produces salicylic acid and which other substance?
Which radioisotope has classically been used in thyroid uptake studies?
A
Iodine-123
B
Carbon-12
C
Oxygen-16
D
Nitrogen-14
Question 86Single Answer
A solvent capable of both donating and accepting protons is described as?
A
Amphiprotic
B
Aprotic
C
Exclusively acidic
D
Exclusively basic
Question 87Single Answer
Glycerinated gelatin-type suppositories can be hardened using which soap-forming substance in traditional glycerin suppository formulations?
A
Sodium stearate
B
Sodium chloride
C
Calcium carbonate
D
Liquid paraffin
Question 88Single Answer
Why should silver nitrate preparations be protected from light?
A
Light promotes decomposition and darkening
B
Light converts silver into sodium
C
Light increases molecular weight
D
Light makes the preparation fluorescent blue
Question 89Single Answer
If a drug is eliminated both by excretion and metabolism through parallel first-order processes, its overall elimination rate constant is?
A
Sum of the individual elimination rate constants
B
Product of the rate constants
C
Difference between absorption and elimination constants
D
Equal only to the absorption rate constant
Question 90Single Answer
Which of the following is a Phase II drug-biotransformation reaction?
A
Glucuronide conjugation
B
Oxidation
C
Reduction
D
Hydrolysis
Question 91Single Answer
Which counseling point is appropriate for a drug known to cause harmless discoloration of urine?
A
Inform the patient beforehand about the expected discoloration
B
Automatically double the next dose
C
Stop all fluid intake
D
Crush every dose before administration
Question 92Single Answer
A major reason animal studies cannot perfectly predict human drug efficacy and toxicity is?
A
Species differences in drug metabolism
B
All animals have identical pharmacokinetics
C
Human and animal enzymes are always identical
D
Drug disposition is independent of species
Question 93Single Answer
Which sterilization method is suitable for heat-stable pharmaceutical powders such as talc?
A
Dry heat
B
Membrane filtration of the dry powder
C
Freeze-drying alone
D
Simple refrigeration
Question 94Single Answer
Hyperosmotic glycerin applied ophthalmically has historically been used to temporarily reduce corneal edema and thereby?
A
Improve corneal clarity
B
Produce permanent mydriasis
C
Produce permanent miosis
D
Stain the cornea
Question 95Single Answer
Which low-temperature gaseous sterilant has traditionally been used for heat-sensitive plastic medical devices?
A
Ethylene oxide
B
Direct flame
C
Boiling water only
D
Dry oven heat at very high temperature
Question 96Single Answer
Shrinkage of a gel accompanied by expulsion of liquid is called?
A
Syneresis
B
Coacervation
C
Dilatancy
D
Ebullition
Question 97Single Answer
Which packaging practice best protects a pharmaceutical oral liquid whose stability depends on its manufacturer-specified container system?
A
Dispense it in the required compatible container
B
Always transfer it to an open beaker
C
Remove the closure during storage
D
Expose it continuously to direct sunlight
Question 98Single Answer
Approximately how many milliliters of concentrated HCl containing 37% w/w HCl with a specific gravity of 1.18 are required to prepare 120 mL of a 5% w/v HCl solution?
A
6.9 mL
B
13.7 mL
C
27.4 mL
D
43.7 mL
Question 99Single Answer
The prescribed dose is 0.5 mg/kg. What dose should be given to a child weighing 44 lb?
A
5 mg
B
10 mg
C
20 mg
D
44 mg
Question 100Single Answer
Oleic acid is classified as a?
A
Monounsaturated fatty acid
B
Saturated fatty acid
C
Ketone
D
Carbohydrate
Question 101Single Answer
Rancidity of a fat is due to
A
oxidation
B
reduction
C
neutralization
D
hydrolysis
E
saponification
Question 102Single Answer
The minimal effective flow rate of air in laminar flow hoods should be not less than how many cubic feet per minute?
A
10
B
50
C
200
D
500
E
1000
Question 103Single Answer
Which of the following compounds of undecylenic acid is most commonly used in therapy?
A
Zinc
B
Magnesium
C
Manganese
D
Silver
E
Mercury
Question 104Single Answer
A vitamin which stains the urine is
A
vitamin D
B
thiamine
C
inositol
D
riboflavin
E
niacin
Question 105Single Answer
What effect does increased tissue storage have on biological half-life of drugs?
A
Makes it erratic
B
Renders it meaningless
C
Decreases it
D
Increases it
E
None
Question 106Single Answer
A 30 volume peroxide corresponds to
A
3% by weight
B
30% by weight
C
30% by volume
D
9% by weight
E
99% by weight
Question 107Single Answer
The Munsell system is associated with
A
flavor
B
odor
C
chemical classification
D
color
E
incompetibilities
Question 108Single Answer
The dose of a drug is 5 mg/kg of body weight. What dose should be given to a 110-Ib woman?
A
2 gr
B
4 gr
C
500 mg
D
5 gr
E
0.5 gr
Question 109Single Answer
The two most common proteins involved in plasma-protein binding are
A
barbiturates
B
globulin and plasmin
C
albumin and globulin
D
fibrinand plasmin
E
plasminogen and fibrin
Question 110Single Answer
Which of the following is classified as a loop diuretic?
A
Urea
B
Acetazolamide
C
Triamterene
D
Spironolactone
E
Furosemide
Question 111Single Answer
Diuretics tend to enhance lithium salt toxicity due to
A
sodium depletion
B
potassium depletion
C
direct drug interaction
D
increased absorption
E
increased solubility of the lithium salts
Question 112Single Answer
An oral antifungal agent is
A
zinc undecylenate
B
Tetrex
C
Desenex
D
griseofulvin
E
Sopronol
Question 113Single Answer
A disadvantage of sodium saccharin as a sweetening agent is
A
its bitter aftertaste
B
its solubility in water
C
its poor strength compared to glucose
D
its poor strength compared to dulcin
E
its toxicity
Question 114Single Answer
Responsibility for control of drugs covered by the drug abuse amendments falls upon
A
DEA
B
FTC
C
FDA
D
ICC
E
None of the above
Question 115Single Answer
Nitrofurantoin (Furadantin) is most active when the pH of the urinary tract is
A
neutral
B
over 9.5
C
between 6.0 and 7.0
D
5.5 or less
E
None of the above
Question 116Single Answer
Iodine is soluble in water in the presence of
A
sodium citrate
B
sodium sulfate
C
lactose
D
PVP
E
PEG
Question 117Single Answer
Povan could be classified as a
A
deflocculant
B
lubricant
C
cyanine dye
D
disintegrator
E
surfactant
Question 118Single Answer
Aloes are used to treat
A
burns
B
gastritis
C
blood dyscrasias
D
carcinomas
E
vertigo
Question 119Single Answer
The class of substances responsible for most accidental poisonings in children is
A
detergents
B
salicylate analgesics
C
bleaches
D
belladonna alkaloids
E
commercial dyes
Question 120Single Answer
Which of the following can cause discoloration of teeth?
A
Chloromycetin
B
Penicillin
C
Achromycin
D
Kanamycin
E
Sulfadiazine
Question 121Single Answer
Which of the following can increase the serum levels of penicillins significantly?
A
Salicylates
B
Probenicid
C
Antacids
D
Kaolin
E
Starches
Question 122Single Answer
Storage of soaking solutions for hard contact lenses should be
A
heated prior to use
B
acidified with weak acids
C
replaced weekly
D
replaced daily
E
None of the above
Question 123Single Answer
The principal limiting factor in the rate of absorption from suspensions is
A
dissolution rate
B
viscosity
C
the suspending agent
D
chemical stability
E
physical stability
Question 124Single Answer
Which of the following diuretics is quite effective even in the presence of electrolyte or acid-base imbalance?
A
Ethacrynic acid
B
Ammonium chloride
C
Chlorothiazide
D
Acetazolamide
E
None of the above
Question 125Single Answer
Ultrasonic waves have a frequency of
A
10-20 kc
B
20 kc or above
C
50 kc or above
D
over 100 kc
E
80-90 kc
Question 126Single Answer
Which of the following solutions should be sterile when dispensed?
A
Tinctures
B
Ophthalmic solutions
C
Spirits
D
Syrups
E
None of the above
Question 127Single Answer
Film coatings are
A
enteric coatings
B
sustained release
C
very brittle
D
very flexible
E
very thick
Question 128Single Answer
A type of bond frequently seen in complexes is
A
hydrogen bond
B
ionic bond
C
semipolar bond
D
double bond
E
triple bond
Question 129Single Answer
Which of the following agents may stain clothing when used topically?
A
Zinc oxide
B
Titanium dioxide
C
PAB
D
PAS
E
Undecylenic acid
Question 130Single Answer
Radioactive decay follows a
A
mixed order rate
B
fractional order rate
C
zero order rate
D
first order rate
E
second order rate
Question 131Single Answer
The HLB system is used to classify
A
flavors
B
colors
C
surfactants
D
organic ring structures
E
perfumes
Question 132Single Answer
In situ salt formation usually occurs
A
during in vivo distribution
B
before absorption
C
in storage sites
D
after biotransformation
E
in the kidney
Question 133Single Answer
Passive diffusion
A
can operate against a concentration gradient
B
is usually slow
C
required high energy
D
is usually quite fast
E
requires low energy
Question 134Single Answer
Glucagon may be used as a diagnostic agent in radiographic examination of the
A
bones
B
GI tract
C
liver
D
kidney
E
brain
Question 135Single Answer
A prevalent drug interaction of fluoride solutions involves
A
eggs
B
dairy products
C
meats
D
fish
E
many vegetables
Question 136Single Answer
Ostwald pipettes are used to measure
A
specific gravity
B
samples for assay
C
density
D
osmotic pressure
E
viscosity
Question 137Single Answer
Alpha particles are very similar to
A
hydrogen atoms
B
helium atoms
C
neutrons
D
protons
E
electrons
Question 138Single Answer
Gamma rays are very similar to
A
x-rays
B
alpharadiation
C
beta radiation
D
neutrinos
E
antineutrinos
Question 139Single Answer
A drug that reverses plasma-protein binding is often referred to as
A
a protein hydrolysate
B
a displacer
C
a solvate
D
a carrier substance
E
an enzyme
Question 140Single Answer
Patients using selenium sulfide should be warned that it should NOT be
A
used more than once a month
B
applied to wet hair
C
used after bleaching or tinting the hair
D
rinsed from hair for 30 minutes
E
used after soap shampoos
Question 141Single Answer
A rich source of vitamin A is
A
lean meats
B
bread
C
liver
D
poultry
E
fish liver oils
Question 142Single Answer
Contact angle is used to measure
A
moisture content of granules
B
spreadability of ointments
C
disintegration of tablets
D
coefficient of friction of powders
E
None of the above
Question 143Single Answer
According to Stokes law, the creaming of emulsions is indirectly proportional to
A
density of the dispersed phase
B
gravity
C
radius of dispersed phase
D
viscosity of the medium
E
None of the above
Question 144Single Answer
Plasma levels of vitamin A may be significantly affected by
A
vitamin D
B
oral contraceptives
C
cephalosporins
D
aspirin
E
Darvon-N
Question 145Single Answer
The most common disintegrator in compressed tablets is
A
dextrose
B
lactose
C
starch
D
potassium bitartrate
E
powdered sucrose
Question 146Single Answer
Freons are
A
alkanes
B
alkenes
C
alkynes
D
fluorinated hydrocarbons
E
mixture of CO2 and air
Question 147Single Answer
Agglomeration of particles in emulsions is often called
A
grouping
B
coalescence
C
dimerization
D
polymerization
E
dichromatism
Question 148Single Answer
Absorption of vitamin A from the GI tract depends on
A
the presence of bile in the intestine
B
which salt is used
C
acid-base balance
D
needs of the patient
E
pH of the intestine
Question 149Single Answer
Purity rubric means
A
purified coloring substance
B
Pure Food and Drug Act
C
USP or NF statement of required purity
D
substance requires purification
E
None of the above
Question 150Single Answer
Which of the following does NOT enhance complexation?
