Question 1

Which of the following best describes the field of pharmacology?

Accepted Answer

The study of drugs that alter functions of living organisms.

Question 2

A patient receives a topical cream for a skin rash. Which type of medication effect is most likely occurring?

Accepted Answer

Local effect

Question 3

Which law requires that official drugs meet standards of purity and strength as determined by chemical analysis or bioassay?

Accepted Answer

Food, Drug, and Cosmetic Act of 1938

Question 4

A drug is classified as Schedule II. Which of the following statements is most accurate regarding its regulation?

Accepted Answer

It has a high potential for abuse and requires strict documentation and handling.

Question 5

Which organization is responsible for enforcing the Controlled Substances Act and registering individuals and companies legally empowered to handle controlled substances?

Accepted Answer

Drug Enforcement Administration (DEA)

Question 6

A medication is described as having a systemic effect. Which of the following best explains this?

Accepted Answer

The drug is taken into the body, circulates via the bloodstream, and acts at distant sites.

Question 7

Which of the following is a prototype drug for opioid analgesics?

Accepted Answer

Morphine

Question 8

A nurse is reviewing a medication order and notices the use of an abbreviation from the 'Do Not Use' list. What is the primary concern?

Accepted Answer

The abbreviation may lead to confusion and medication errors.

Question 9

Which of the following is NOT a source of drugs?

Accepted Answer

Bacteria

Question 10

A drug is classified according to its therapeutic use. Which of the following best illustrates this classification?

Accepted Answer

Grouping drugs based on their intended medical purpose, such as antihypertensives

Question 11

Which of the following statements about over-the-counter (OTC) medications is correct?

Accepted Answer

OTC medications are regulated by various drug laws.

Question 12

A drug reference book is considered less authoritative than the American Hospital Formulary Service. Which book is being described?

Accepted Answer

Physicians’ Desk Reference (PDR)

Question 13

Which phase of clinical trials is primarily concerned with determining a drug’s safety and dosage in healthy volunteers?

Accepted Answer

Phase 1

Question 14

A patient is prescribed a medication by its generic name, but the pharmacy dispenses the brand name version. What is a potential risk associated with this practice?

Accepted Answer

Increased risk of confusion and misuse due to different drug names.

Question 15

Which of the following strategies is recommended for studying pharmacology effectively?

Accepted Answer

Concentrate on therapeutic classifications and their prototypes.

Question 16

A medication is classified as a high-alert drug. What is the primary implication for healthcare providers?

Accepted Answer

The drug requires special attention due to increased risk of causing significant harm if used incorrectly.

Question 17

Which equation best represents the relationship between drug concentration ($$C$$), volume of distribution ($$V_d$$), and amount of drug ($$D) in $$the body?

Accepted Answer

$$C = \frac{D}{V_d}$$

Question 18

A patient is prescribed a medication that is eliminated from the body via the kidneys. If the elimination rate ($$k) is 0.2 hr$^{-1}$$ and the initial drug concentration ($$C_0) is 50 mg/L$$, what will the concentration be after 5 hours? Use the formula $$C = C_0$ 	imes e$$^{-kt}$$.

Accepted Answer

$$C = 50 	imes e$$^{-0.2 	imes 5}$$ = 50 	imes e$$^{-1}$$ \approx 18.4 mg/L$$

Question 19

A nurse is preparing to administer a medication. Which of the following is NOT one of the 'Rights of Medication Administration'?

Accepted Answer

Right diagnosis

Question 20

A drug is classified as Schedule I. Which characteristic best describes this category?

Accepted Answer

High potential for abuse and no accepted medical use.

Pharmacology Foundations: Quality, Safety, and Drug Regulation

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