Top 250+ Solved Absorption MCQ Questions Answer

From 31 to 45 of 203

Q. When the solvent in association with the drug is water, the solvate is known as

a. anhydrate

b. amorphous

c. hydrate

d. none of the above

  • c. hydrate

Q. ………….is used to study gastric emptying.

a. Barium sulphate

b. Aluminum sulphate

c. Calcium sulphate

d. Aluminum hydroxide

  • a. Barium sulphate

Q. The main mechanism of most drugs absorption in GI tract is:

a. Active transport (carrier-mediated diffusion)

b. Filtration (aqueous diffusion)

c. Endocytosis and exocytosis

d. Passive diffusion (lipid diffusion)

  • d. Passive diffusion (lipid diffusion)

Q. What is characteristic of the oral route?

a. Fast onset of effect

b. Absorption depends on GI tract secretion and motor function

c. A drug reaches the blood passing the liver

d. The sterilization of medicinal forms is obligatory

  • b. Absorption depends on GI tract secretion and motor function

Q. Tick the feature of the sublingual route:

a. Pretty fast absorption

b. A drug is exposed to gastric secretion

c. A drug is exposed more prominent liver metabolism

d. A drug can be administered in a variety of doses

  • a. Pretty fast absorption

Q. Pick out the parenteral route of medicinal agent administration:

a. Rectal

b. Oral

c. Sublingual

d. Inhalation

  • d. Inhalation

Q. Parenteral administration:

a. Cannot be used with unconsciousness patients

b. Generally results in a less accurate dosage than oral administration

c. Usually produces a more rapid response than oral administration

d. Is too slow for emergency use

  • c. Usually produces a more rapid response than oral administration

Q. What is characteristic of the intramuscular route of drug administration?

a. Only water solutions can be injected

b. Oily solutions can be injected

c. Opportunity of hypertonic solution injections

d. The action develops slower, than at oral administration

  • b. Oily solutions can be injected

Q. All are characteristics of passive diffusion except

a. Drugs moves down the concentration gradient.

b. It is an energy independent process

c. Drugs moves up the concentration gradient.

d. It is non saturable process

  • c. Drugs moves up the concentration gradient.

Q. Passive diffusion is expressed by

a. Fick's first law of diffusion

b. Fick's second law of diffusion

c. First order kinetics

d. zero order kinetics

  • a. Fick's first law of diffusion

Q. Aqueous filled pores present in cell membrane responsible for absorption of

a. water insoluble molecules

b. water soluble molecules

c. both (a) and (b)

d. None of the above

  • b. water soluble molecules

Q. What kind of substances cannot permeate membranes by passive diffusion?

a. Lipid-soluble

b. Non-ionized substances

c. Hydrophobic substances

d. Hydrophilic substances

  • d. Hydrophilic substances

Q. A hydrophilic medicinal agent has the following property:

a. Low ability to penetrate through the cell membrane lipids

b. Penetrate through membranes by means of endocytosis

c. Easy permeation through the blood-brain barrier

d. High reabsorption in renal tubules

  • a. Low ability to penetrate through the cell membrane lipids

Q. What is implied by active transport?

a. Transport of drugs through a membrane by means of diffusion

b. Transport without energy consumption

c. Engulf of drug by a cell membrane with a new vesicle formation

d. Tr

  • a. Transport of drugs through a membrane by means of diffusion
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