Pharmacology - Mock Test 58

Question 571

Which of the following is a weakly acidic drug

A) Atropine sulfate B) Chloroquine phosphate C) Ephedrine hydrochloride D) Phenytoin sodium

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Question 572

Which of the following drugs is most likely to be absorbed from the stomach

A) Morphine sulfate B) Diclofenac sodium C) Hyoscine hydrobromide D) Quinine dihydrochloride

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Question 573

Diffusion of drugs across cell membrane

A) Is dependent upon metabolic activity of the cell B) Is competitively inhibited by chemically related drugs C) Is affected by extent of ionization of drug molecules D) Exhibits saturation kinetics

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Question 574

Majority of drugs cross biological membranes primarily by

A) Passive diffusion B) Facilitated diffusion C) Active transport D) Pinocytosis

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Question 575

Alkalinization of urine hastens the excretion of

A) Weakly basic drugs B) Weakly acidic drugs C) Strong electrolytes D) Nonpolar drugs

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Question 576

Select the route of administration which carries the highest risk of adversely affecting vital functions

A) Intra arterial injection B) Intrathecal injection C) Intravenous injection D) Intramuscular injection

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Question 577

Compared to subcutaneous injection, the intramuscular injection of drugs

A) Is more painful B) Produces faster response C) Is unsuitable for depot preparations D) Carries greater risk of anaphylactic reaction

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Question 578

Which of the following drugs is administered by intranasal spray/application for systemic action

A) Phenylephrine B) Desmopressin C) Azelastine D) Beclomethasone dipropionate

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Question 579

In addition to slow intravenous infusion, which of the following routes of administration allows for titration of the dose of a drug with the response

A) Sublingual B) Transdermal C) Inhalational D) Nasal insufflation

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Question 580

Transdermal drug delivery systems offer the following advantages <u>except</u>

A) They produce high peak plasma concentration of the drug B) They produce smooth and nonfluctuating plasma concentration of the drug C) They minimise interindividual variations in the achieved plasma drug concentration D) They avoid hepatic first-pass metabolism of the drug

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