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WorksheetsMODULE 5 DDS PINK PACOP 201 - 300
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
This is a percolation method that can be modified for fluidextracts that must be assayed.
a)
a. Process A
b)
b. Process B
c)
c. Process D
d)
d. Process E
e)
e. Process C
2.
It is the taking up of a certain amount of liquid without a measurable increase in size.
a)
a. Syneresis
b)
b. Swelling
c)
c. imbibition
d)
d. Thixotrophy
e)
e. Xerogelation
3.
Xerogels are formed when the liquid is removed from a gel and only the framework remains. Examples of these are:
I. gelatin sheets
II. tragacanth ribbons
III. Acacia tears
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
4.
A classification of gels which would include ingredients that are dispersible as colloidal or soluble in water is called hydrogels. Example of hydrogels includes:
I. Carbowax bases
II. Bentonite
III. Silica
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
5.
Magnesium aluminum silicate, also known as Veegum, in concentrations of _______, form firm, thixotropic gels.
a)
a. 10%
b)
b. 5%
c)
c. 2%
d)
d. 1%
e)
e. 0.5%
6.
In the preparation of gels, the following statement/s hold/s true:<br /><br />I. Inorganic salts would cause gelation to occur at higher concentrations. <br />II. Alcohol may cause precipitation or gelation <br />III. Higher concentration and higher molecular weights of polymers would produce stronger gels.
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
7.
Bentonite magma is a preparation of ____ bentonite, a native, colloidal hydrated aluminum silicate, in purified water.
a)
a. 10%
b)
b. 2%
c)
c. 5%
d)
d. 1%
e)
e. 0.5%
8.
Aluminum hydroxide gel is an aqueous suspension of a gelatinous precipitate composed of insoluble aluminum hydroxide and the hydrated aluminum oxide, equivalent to about ____of aluminum oxide.
a)
a. 1%
b)
b. 2%
c)
c. 5%
d)
d. 4%
e)
e. 3%
9.
Milk of Magnesia, USP is a preparation containing between 7 and 8.5 % of magnesium hydroxide. The following statement/s hold/s true regarding its preparation: <br /><br />I. 0.1% citric acid may be added <br />II. Flavoring oils should exceed 0.05% concentration but not more than 2% to enhance the palatability of the preparation. <br />III. The preparation should be stored in tight containers preferably at temperature above and freezing and below 35◦C
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
10.
Gels are defined as semi-solid systems consisting of dispersions made up of either small inorganic particles or large organic molecules enclosing and interpenetrated by a liquid. Other feature/s of these preparations include/s: <br /><br />I. Some gels are clear as water in appearance while others are turbid.<br />II. Gels are considered as colloidal dispersions <br />III. Carbowaxes are gels
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
11.
These are pressurized dosage forms containing one or more active ingredients which upon actuation emit a fine dispersion of liquid and/or solid materials in gaseous medium.
a)
a. aerosols
b)
b. inhalers
c)
c. inhalations
d)
d. insufflators
e)
e. nebulizers
12.
Aerosols intended to carry the active ingredient to a surface are termed: <br /><br />I. space spray <br />II. Surface spray <br />III. Surface coatings
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
13.
Aerosols offer the advantages of:<br /><br />I. portion of medication may be easily drawn from the package without contamination or exposure to the remaining material <br />II. Topical medication may be applied in a uniform, thin layer to the skin without touching the affected area <br />III. Protection of medicinal agents adversely affected by atmospheric oxygen and moisture
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
14.
Fluorinated hydrocarbon gases: <br /><br />I. may be liquefied b cooling below their boiling point <br />II. May be liquefied by compressing the gas at room temperature <br />III. are liquid at room temp.
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
15.
The usual aerosol valve assembly is composed of the following parts: <br /><br />I. actuator <br />II. Housing <br />III. Gasket
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
16.
Compressed gases may be used to prepare aerosols. The use of nitrogen: <br /><br />I. will result in the emission of the product in essentially the same form as it was placed in the container <br />II. Contributes adversely to the odor and taste of product<br />III. Offers protection on products subject to oxidation
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
17.
These materials may be used in the manufacture of aerosol containers: <br /><br />I. glass <br />II. Metals<br />III. Plastics
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
18.
In compressed gas filled aerosols:<br /> <br />I. there is no reservoir of propellant<br />II. Lower gas pressures are required as compared to liquefied gas filled aerosols<br />III. Gases like carbon dioxide and nitrous oxide may be used
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
19.
The use of topical aerosols: <br /><br />I. can be used easily in applying medication to small area<br />II. The procedure of applying the preparation to desired surface area is less messy than with most other types of topical preparations.<br />III. provides a means of applying the drug in a convenient way
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
20.
In the filling of aerosol containers with propellant, which of the following is/are observed to be true?<br /><br />I. In the cold method, both the product concentrate and the propellant must be cooled to temperature of 30◦F to -40◦F <br />II. There is less danger of moisture contamination of the product in cold filling over the pressure filling <br />III. Less propellant is lost in the process of pressure filling.
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
21.
Sterile water for injection: <br /><br />I. must be pyrogen-free <br />II. May not contain an antimicrobial agent<br />III. May contain a slightly greater amount of total solids than Water for Injection
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
22.
Sterilization by filtration depends upon the removal of microorganisms by adsorption on the filter medium or by sieving mechanism. Major advantages of this method include: <br />I. speed in the filtration of small quantities of solution<br />II. Ability to sterilize effectively thermo labile materials<br />III. Inexpensive
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & III
e)
e. I, II, III
23.
Ethylene oxide: <br />I. may be used to sterilized heat-sensitive and moisture-sensitive materials <br />II. May be substituted by propylene oxide gas<br />III. exerts its action by denaturation and precipitation
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
24.
This process means the complete destruction of all living organism and their spores or their complete removal from the preparation.
a)
a. Sterilization
b)
b. asepsis
c)
c. disinfection
d)
d. antisepsis
e)
e. decontamination
25.
USP specifies restrictions on the fixed vegetable oils which may be employed in parenteral products. These include: <br />I. they must remain clear when cooled to 10◦C<br />II. They must not contain mineral oil or paraffin <br />III. They must contain no polyunsaturated fatty acids
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
26.
Ringer’s Injection USP contains:
a)
a. Sodium chloride only
b)
b. Sodium chloride and potassium chloride
c)
c. Sodium chloride and calcium chloride
d)
d. Sodium chloride, potassium chloride and calcium chloride
e)
e. Sodium chloride and sodium lactate
27.
Bacteriostatic water for injection:<br />I. One or more antimicrobial agents <br />II. Packaged in pre-filled syringes or in vials containing not more than 100 ml <br />III. Only to be used in parenterals that are administered in small volumes
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
28.
Single dose container: <br />I. Hermetic container<br />II. Example is ampule <br />III. Permits withdrawal of successive portions of the contents
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
29.
In most heat sterilization, spores of which microorganism are most commonly employed?
a)
a. Bacillus stearothermophilus
b)
b. Bacillus subtilis
c)
c. Bacillus pumilus
d)
d. Clostridium botulinum
e)
e. Clostridium perfringens
30.
Dry heat sterilization is usually carried out in sterilizing ovens specifically designed for this purpose. Which of the following characterize/s this method? <br />I. Higher temperature and prolonged exposure are required <br />II. Works by denaturation and coagulation of some of the organism’s essential protein<br />III. May be used for fixed oils, mineral oil and petroleum products
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. II & III
e)
e. I, II, III
31.
It is an electrochemical method that enhances the transport of some solute molecules by creating a potential gradient through the skin tissue with an applied electrical current or voltage.
a)
a. iontophoresis
b)
b. sonophoresis
c)
c. ultrasonophoresis
d)
d. phonophoresis
e)
e. electrophoresis
32.
Iontophoresis induces an increased migration of ionic drugs into the skin by electrostatic repulsion at the active electrode: negative ions are delivered by the cathode and positive ions by anode. The advantages of this process include: <br /><br />I. Eliminates gastrointestinal incompatibility, erratic absorption and first pass metabolism<br />II. Reduces side effects and interpatient variability <br />III. Avoids the risks of infection, inflammation
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
33.
Rapidly –dissolving drugs: I. designed as orally administered drugs for patients that have difficulty swallowing standard tablets/ capsules II. disintegrate and dissolves within 30-60 seconds in the mouth III. Friability is an inherent problem
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
34.
The following statement/s is/are true for radiopharmaceuticals: <br /><br />I. It is a radioactive pharmaceutical agent or drug that is used for diagnostic or therapeutic procedures. <br />II. They are used as tracers of physiological processes.<br />III. Incidence of adverse effect is very low
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
35.
This container protects the contents from extraneous solids and from loss of the article under ordinary conditions of handling, shipment, storage and distribution.
a)
a. well-closed container
b)
b. tight container
c)
c. hermetic container
d)
d. light-resistant container
e)
e. amber-colored bottle
36.
A freezer is:
a)
a. cold place
b)
b. cool place
c)
c. excessively cold place
d)
d. refrigerator temperature
37.
These injections are administered into the corium of the skin, usually in volumes of about a tenth of a milliter.
a)
a. intravenous
b)
b. intradermal
c)
c. intramuscular
d)
d. epicutaneous
e)
e. subcutaneous
38.
Some drugs are administered rectally for their local effects and others for their systemic effects. Which of the following are true regarding the rectal administration of drugs? <br /><br />I. Rectal administration may be preferred for those drugs destroyed or inactivated by the environment of stomach and intestine<br />II. Approximately 505 of a dose of drug absorbed from rectal<br />III. Absorption of drugs from the rectum is frequently irregular and difficult to predict.
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
39.
Subcutaneous administration of drugs involves their injection through the layers of the skin into the loose subcutaneous tissue. Which of the following statement/s is/are true about this kind of administration? <br /><br />I. vasodilator may be used to enhance subcutaneous absorption of drugs<br />II. All substances, weather lipid soluble or not, cross the capillary membrane at rates that are much more rapid than the rates of their transfer across other body membranes. <br />III. After injection, the drug comes into the immediate vicinity of blood capillaries and permeates them by diffusion or filtration.
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
40.
These substance are used to prevent the dying out of preparations due to the agent’s ability to retain moisture.
a)
a. levigating agent
b)
b. humectant
c)
c. plasticizer
d)
d. antioxidant
e)
e. occluding agents
41.
Glidants are agents used in tablet and capsule formulations to improve the flow properties of the powder mixture. Examples of these are: <br />I. Talc <br />II. colloidal silica <br />III. magnesium stearate
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
42.
This is an agent used to dissolve another pharmaceutic substance or a drug in the preparation of solution.
a)
a. solvent
b)
b. vehicle
c)
c. chelating agent
d)
d. co-solvent
e)
e. solubilizer
43.
Butylated hydroxyanisole and butylated hydroxytoluene are examples of:
a)
a. antioxidants
b)
b. humectants
c)
c. clarifying agents
d)
d. buffering agents
e)
e. co-solvents
44.
Cinnamon, orange and raspberry flavors may be used to make ____drugs more palatable.
a)
a. salty
b)
b. bitter
c)
c. sour
d)
d. pungent
e)
e. rancid
45.
Benzalkonium chloride, cresols, and phenylmercuric nitrates are examples of:
a)
a. stiffening agent
b)
b. preservatives
c)
c. coloring agents
d)
d. buffering agents
e)
e. ranti-oxidants
46.
The term “soluble” refers to parts of solvent hat can dissolve one part of solute is:
a)
a. 10-100
b)
b. 30-100
c)
c. 10-30
d)
d. less than 1
e)
e. 1-10
47.
247. The similarity of gargles with mouthwashes is: I. antiseptic use II. Site of action III.Formula
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
48.
It is a process of strongly heating organic substances with access to air.
a)
a. Carbonization
b)
b. Calcinations
c)
c. Ignition
d)
d. Incineration
e)
e. Drying
49.
When tinctures are prepared from single vegetable drugs, the amounts of crude drugs used to prepare 100 ml of the tincture generally for potent drug is:
a)
a. 10g
b)
b. 20g
c)
c. 50g
d)
d. 75g
e)
e. 100g
50.
The following substances may be used as colorants: I. caramel II. red ferric oxide III. yellow mercuric oxide
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
51.
251. The release of an ingredient from the packaging component into the contents is best described by the term:
a)
a. sorption
b)
b. leaching
c)
c. permeation
d)
d. diffusion
e)
e. dissolution
52.
The disadvantages of using sodium saccharin as a sweetening agent is/are: I. less sweet than sucrose II. has a cariogenic potential and is contraindicated to phenylketonurics III. has bitter after taste
a)
a. I only
b)
b. III only
c)
c. I & III
d)
d. II & III
e)
e. I, II, III
53.
The following method/s is/are considered as comminution technique/s: I. Spatulation II. Trituration III. Pulverization by intervention
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. II & III
e)
e. I, II, III
54.
Brandy and whisky are prepared by means of: I. Distillation II. Solution with maceration III. Chemical reaction
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
55.
255. These are very fine powders intended for the different body cavities like ears, nose, etc. I. dusting powder II. douche powder III. insufflations
a)
a. I only
b)
b. III only
c)
c. I & II
d)
d. II & III
e)
e. I, II, III
56.
Vanishing creams are the most common creams available in the market due to large amount of water contained and an acid called:
a)
a. salicylic acid
b)
b. benzoic acid
c)
c. stearic acid
d)
d. acetic acid
e)
e. undecylenic acid
57.
Juices have the advantage over artificial flavor in that these are: I. sweeter II. More stable III. Natural
a)
a. I only
b)
b. III only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
58.
Oleovitamins generally consist of: I. Vitamin A II. Vitamin D III. Vitamin B
a)
a. I only
b)
b. III only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
59.
Spiritus frumentis is also called
a)
a. brandy
b)
b. rum
c)
c. Whisky
d)
d. A & C
e)
e. AOTA
60.
This type of water is specific for multidose parenteral products.
a)
a. water for injection
b)
b. Sterile Water for injection
c)
c. Bacteriostatic Water for Injection
d)
d. Sterile Water for Inhalation
e)
e. Purified Water
61.
This is a process of redistilling one or more fresh delicate drugs with small quantities of volatile products.
a)
a. steam distillation
b)
b. cohobation
c)
c. maceration
d)
d. reflux distillation
e)
e. reverse osmosis
62.
Which of the following substances is/are needed when compounding Magnesium Citrate solution? <br />I. sodium bicarbonate<br />II. magnesium citrate<br />III. magnesium carbonate
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
63.
Main constituent/s present in toothache drops: I. menthol II. Eugenol III. benzoate
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
64.
Most widely used container for aerosols:
a)
a. glass
b)
b. plastic
c)
c. tin-plated steel
d)
d. aluminum
e)
e. glassine paper
65.
Lanolin differs from wool fat in that lanolin:
a)
a. contains less water
b)
b. has been further purified
c)
c. contains more water
d)
d. is obtained from natural sources
e)
e. contains a greater quantity of cholesterol
66.
This substance is used to replace part of cocoa butter to obtain the proper melting point.
a)
a. vegetable oil
b)
b. petrolatum
c)
c. glycerin
d)
d. gelatin
e)
white wax
67.
Rose water ointment differs from Petrolatum rose water ointment because the former contains:
a)
a. mineral oil
b)
b. white wax
c)
c. sodium borate
d)
d. almond oil
e)
e. cetyl ester wax
68.
Petrolatum USP is not soluble in
a)
a. chloroform
b)
b. ethyl alcohol
c)
c. ether
d)
d. benzene
e)
e. petroleum ether
69.
A very fine powdered chemical is defined as one that will
a)
a. completely pass through a # 80 sieve
b)
b. completely pass through a # 120 sieve
c)
c. completely pass through a # 20 sieve
d)
d. completely pass through a # 60 sieve and not more than 40% through a #100 sieve
e)
e. completely pass through a # 80 sieve and not more than 60% through a #60 sieve
70.
Camphor is usually milled by which of the following techniques?
a)
a. trituration
b)
b. levigation
c)
c. geometric dilution
d)
d. attrition
e)
e. pulverization by intervention
71.
Unit dose packaging for tablets or capsules is exemplified by: I. strip packaging II. blister pack III. wide mouth bottles
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
72.
Ingredients in toothache drops: I. oil of cloves II. Alcohol III. benzocaine
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
73.
Controlled room temperature means that the temperature is maintained thermostatically between:
a)
a. 15-30 ◦C
b)
b. 25 ◦C
c)
c. 8-15 ◦C
d)
d. 30 ◦C
e)
e. -4-8 ◦C
74.
Gels belong to:
a)
a. dispersion
b)
b. emulsion
c)
c. solution
d)
d. ointments
e)
e. creams
75.
HLB value needed for an oil-in-water type of emulsion:
a)
a. 8-18
b)
b. 3-6
c)
c. 1-5
d)
d. 6-12
e)
e. 1-12
76.
Which of the following preparations is a saturated solution?
a)
a. aromatic water
b)
b. elixir
c)
c. emulsion
d)
d. solution
e)
e. extract
77.
Magnesium stearate is used in tablet manufacturing as:
a)
a. lubricant
b)
b. source of Magnesium
c)
c. binder
d)
d. disintegrant
e)
e. diluent
78.
Instability of emulsion is caused by: I. creaming II. Sedimentation III. electrolytes
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
79.
A eutectic mixture in powders occurs when: I. there is lowering in melting point II. Hygroscopic mixture III. Efflorescence
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
80.
Bulk powders are:
a)
a. insufflations
b)
b. douche powders
c)
c. dentrifices
d)
d. A & B
e)
e. AOTA
81.
In the infusion method of making cocoa butter suppositories, which substance is most likely to be used to lubricate the mold?
a)
a. mineral oil
b)
b. propylene glycol
c)
c. cetyl alcohol
d)
d. stearic acid
e)
e. magnesium silicate
82.
A very fine powdered chemical is defined as one that:
a)
a. completely pass through a # 80 sieve
b)
b. completely pass through a # 120 sieve
c)
c. completely pass through a # 20 sieve
d)
d. completely pass through a # 60 sieve and not more than 40% through a #100 sieve
e)
e. completely pass through a # 80 sieve and not more than 60% through a #60 sieve
83.
Which solution is used as an astringent?
a)
a. Strong Iodine Solution USP
b)
b. Aluminum Acetate Topical Solution USP
c)
c. Acetic Acid NF
d)
d. Aromatic Ammonia Spirit USP
e)
e. Benzalkonium Chloride Solution USP
84.
The particles in an ideal suspension should satisfy which of the following criteria? I. Their size should be uniform II. They should be stationary or move randomly III. They should remain discrete
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
85.
Mechanisms that are thought to provide stable emulsification include the: I. formation of interfacial film II. Lowering of interfacial tension III. Presence of charge on the ion
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
86.
Ceramic mortar may be preferable to a glass mortar when: I. volatile oil is added to a powder mixture II. colored substances are mixed into the powder III. Comminution is desired in addition to mixing
a)
a. I only
b)
b. III only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
87.
The particle size of the dispersed solid in a suspension is usually greater than
a)
a. 0.5 mm
b)
b. 0.4 mm
c)
c. 0.3 mm
d)
d. 0.2 mm
e)
e. 0.1 mm
88.
Forms of water that is suitable for use in parenteral preparations: I. Purified water, USP II. for injection, USP III. Sterile Water for Injection, USP
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
89.
The sedimentation of particles in a suspension can be minimized by: I. adding sodium benzoate II. Increasing the viscosity of the suspension III. Reducing the particle size of the active ingredient
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
90.
Substances used to insulate powder components that liquefy when mixed include: I. talc II. Kaolin III. Light magnesium oxide
a)
a. I only
b)
b. II only
c)
c. II & III
d)
d. I & II
e)
e. I, II, III
91.
The following statement/s is/are true for Cold Cream: I. It is oil-in-water emulsion II. The use of almond oil rather than mineral oil makes a more stable cream. III. Cold cream prepared with almond oil makes a better emollient base.
a)
a. I only
b)
b. III only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
92.
Which type of soaps form an o/w emulsion? I. alkali soap II. Metallic soap III. Polyvalent soap
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
93.
The USP permits ___% of sulfur dioxide to prevent decomposition of gelatin during manufacture of hard gelatin capsules.
a)
a. 5%
b)
b. 0.5%
c)
c. 1%
d)
d. 0.15%
e)
e. 10%
94.
Colors and dyes disguise off-color drugs, provide product identification and product identification and produce a more aesthetically appealing product. Which type of dye is typically used as dry powder?
a)
a. Lakes
b)
b. F & D
c)
c. D & C
d)
d. F D & C
e)
e. AOTA
95.
Adsorbents are inert substances which hold quantities of fluid in an apparently dry state. Examples of adsorbents include: I. MgO II. Mg carbonate III. Bentonite
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. I & II
e)
e. I, II, III
96.
Witepsol bases contain natural saturated fatty acid chains between C12 and C18. Which of the following fatty acids is its major component?
a)
a. Lauric acid
b)
b. Myristic acid
c)
c. Stearic acid
d)
d. Palmitic acid
e)
e. Oleic acid
97.
Witepsol bases offer the following characteristic: I. They exhibit polymorphism like cocoa bases II. They solidify rapidly in the mold III. The interval between softening and melting temperature is very small
a)
a. I only
b)
b. II only
c)
c. I & III
d)
d. II & III
e)
e. I, II, III
98.
Wecobee bases have an action similar to that of Witepsol bases. Wecobee bases are derived from:
a)
a. mineral oil
b)
b. coconut oil
c)
c. almond oil
d)
d. olive oil
e)
e. cocoa butter
99.
Acacia is classified as a natural emulsifying agent. It is usually as a___% dispersion in water.
a)
a. 35
b)
b. 10
c)
c. 25
d)
d. 50
e)
e. 30
100.
Unlike acacia, tragacanth does not contain the enzyme oxidase which catalyzes the decomposition of organic chemicals. Tragacanth is usually used as a ____% dispersion in water.
a)
a. 10%
b)
b. 6%
c)
c. 20%
d)
d. 30%
e)
e. 15%
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