Comprehensive Foundations In Pharmacology And Clinical Calculations Practice Tests

Question 1

Which term describes a drug that binds to a receptor and produces a maximal response, mimicking the action of endogenous ligands?

Accepted Answer

Full agonist

Answer

Partial agonist

Answer

Competitive antagonist

Answer

Non-competitive antagonist

Question 2

If a drug has a very narrow therapeutic index, what is the primary clinical implication for the nurse?

Accepted Answer

The patient requires close monitoring of plasma drug levels.

Answer

The drug can be administered less frequently.

Answer

The drug is safer than those with a wide therapeutic index.

Answer

The drug does not require dose adjustments.

Question 3

Approximately how many half-lives are required for a drug to reach a steady state in the plasma when administered at regular intervals?

Accepted Answer

5

Question 4

Which of the following is the generic name for the drug commonly known by the trade name Tylenol?

Accepted Answer

Acetaminophen

Answer

Ibuprofen

Answer

Aspirin

Answer

Naproxen

Question 5

Under the Controlled Substances Act, which schedule of drugs has the highest potential for abuse and no currently accepted medical use in the United States?

Accepted Answer

Schedule I

Answer

Schedule II

Answer

Schedule III

Answer

Schedule V

Question 6

Complementary and alternative medications (CAMs) are strictly regulated by the FDA to ensure they are free from drug-drug interactions.

Accepted Answer

False

Answer

True

Question 7

Which of the following are considered common herbal supplements that may pose risks for drug interactions?

Answer

St. John’s Wort

Answer

Ginkgo Biloba

Answer

Garlic

Answer

Acetaminophen

Question 8

Which factor significantly increases the bioavailability of an orally administered drug that undergoes extensive first-pass metabolism?

Accepted Answer

B. Administration via the sublingual route

Answer

A. Increasing the oral dosage

Answer

C. Taking the medication with a high-fat meal

Answer

D. Using an enteric-coated formulation

Question 9

In a patient with hypoalbuminemia, how is the distribution of a highly protein-bound drug affected?

Accepted Answer

A. The concentration of free (unbound) drug increases

Answer

B. The total plasma concentration of the drug increases

Answer

C. The drug is excreted more rapidly by the kidneys

Answer

D. The volume of distribution decreases significantly

Question 10

The cytochrome P450 enzyme system is primarily involved in Phase II conjugation reactions in the liver.

Accepted Answer

False

Answer

True

Question 11

Which laboratory value is the most critical to assess before administering a dose of furosemide to a patient with heart failure?

Accepted Answer

C. Serum potassium

Answer

A. Serum creatinine

Answer

B. Blood glucose

Answer

D. Hemoglobin

Question 12

Which of the following are essential nursing actions after the administration of an intravenous analgesic?

Answer

A. Assessing the patient's pain level

Answer

B. Verifying the patient's identity using three identifiers

Answer

C. Monitoring for respiratory depression

Answer

D. Inspecting the IV site for signs of infiltration

Question 13

What is the primary organ responsible for the excretion of water-soluble drugs and their metabolites?

Accepted Answer

Kidneys

Question 14

A patient is ordered 500 mg of a medication. The medication is available in 250 mg tablets. Using the Desired/Have formula, how many tablets should the nurse administer?

Accepted Answer

2 tablets

Answer

0.5 tablets

Answer

1 tablet

Answer

2.5 tablets

Question 15

Convert 150 pounds to kilograms. Round your answer to the nearest tenth. (Use 1 kg = 2.2 lb)

Accepted Answer

68.2 kg

Question 16

An IV infusion is ordered at 120 ml/hr. What is the infusion rate in ml/min?

Accepted Answer

2 ml/min

Answer

1 ml/min

Answer

3 ml/min

Answer

4 ml/min

Question 17

The conversion factor 1 tablespoon equals 15 ml is standard in clinical practice.

Accepted Answer

True

Answer

False

Question 18

A physician orders 0.25 mg of a drug. The drug is available as 500 mcg tablets. How many tablets should be administered?

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 19

Which of the following are equivalent to 1 gram?

Answer

100 mg

Answer

1000 mg

Answer

10,000 mcg

Answer

1,000,000 mcg

Question 20

A patient requires 500 ml of normal saline to be infused over 4 hours. Calculate the infusion rate in ml/hr.

Accepted Answer

125 ml/hr

Comprehensive Foundations In Pharmacology And Clinical Calculations Practice Tests

Practice Tests

Comprehensive Foundations in Pharmacology and Clinical Calculations

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