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ATI LPN · ATI Pharmacology · Pharmacology Classification of Drugs Quiz

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A 7-year-old boy fell off a wood pile while playing. He has been admitted to the intensive care unit with multiple broken bones and internal bleeding. What should the nurse know about drug therapy in this type of patient?

A. Adverse effects may be decreased.

B. Therapeutic effects may be increased.

C. Pharmacodynamics may be altered.

D. Pharmacokinetics remain the same

Expert Explanatory Rationale

Correct Answer: Pharmacodynamics may be altered.

Question 2 of 5

Cruciferous vegetables may alter drug pharmacokinetics by:

A. Enhancing absorption of weakly acidic drugs

B. Altering CYP 3A4 activity, leading to elevated levels of drugs, such as the statins

C. Inducing CYP 1A2, possibly leading to therapeutic failure of drugs metabolized by CYP 1A2

D. Decreasing first-pass metabolism of drugs

Expert Explanatory Rationale

Correct Answer: Inducing CYP 1A2, possibly leading to therapeutic failure of drugs metabolized by CYP 1A2

Question 3 of 5

Several processes enable a drug to reach a specific concentration in the body. Together they are called dynamic equilibrium. What are these processes? (Select one that does not apply.)

A. Distribution to the active site

B. Biotransformation

C. Absorption from the muscle

D. Excretion

Expert Explanatory Rationale

Correct Answer: Absorption from the muscle

Question 4 of 5

A nurse is reviewing the health record of a client who asks about using Propranolol to treat hypertension. The nurse should recognize which of the following conditions is a contraindication for taking propranolol?

A. Asthma

B. Glaucoma

C. Hypertension

D. Tachycardia

Expert Explanatory Rationale

Correct Answer: Asthma

Question 5 of 5

A nurse is required to give an intramuscular (IM) injection to an 18-month-old toddler. The nurse would prepare which site for administration?

A. Dorsogluteal site

B. Deltoid muscle

C. Vastus lateralis

D. Ventrogluteal site

Expert Explanatory Rationale

Correct Answer: Vastus lateralis

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