A nurse is monitoring a client in a cardiac care unit.

Exhibits

A nurse is educating a client on the mechanism of action of ACE inhibitors, such as Lisinopril. Which of the following statements about ACE inhibitors mechanism of action and their therapeutic effects is accurate?

The therapeutic effect of ACE inhibitors is unrelated to their mechanism of action.

Understanding the mechanism of action helps anticipate potential side effects of ACE inhibitors.

ACE inhibitors work by inhibiting the angiotensin- converting enzyme, leading to vasodilation.

All medications within the ACE inhibitor class have identical therapeutic effects.

Answer and Explanation

The Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A"},"C":{"answers":"A"},"D":{"answers":"B"}}

The therapeutic effect of ACE inhibitors is unrelated to their mechanism of action: This is inaccurate because the therapeutic effects, including vasodilation and lowered blood pressure, are directly linked to ACE inhibition.
Understanding the mechanism of action helps anticipate potential side effects of ACE inhibitors: Knowing that ACE inhibitors reduce angiotensin II and aldosterone helps the nurse anticipate side effects such as hypotension, hyperkalemia, and persistent cough.
ACE inhibitors work by inhibiting the angiotensin-converting enzyme, leading to vasodilation: This directly explains the mechanism, resulting in decreased blood pressure and reduced afterload, which are the therapeutic goals in hypertension and heart failure management.

All medications within the ACE inhibitor class have identical therapeutic effects: While similar, individual ACE inhibitors differ in duration of action, metabolism, and dosing, so effects are not identical across the class.

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Correct Answer is C

Explanation

A. Antibiotics work solely by interacting with receptors on bacterial cells: Antibiotics act through several mechanisms, not just receptor interaction. Some disrupt cell wall synthesis, others inhibit protein production or interfere with nucleic acid metabolism.

B. All antibiotics have the same mechanism of action and therapeutic effects: Antibiotics differ widely in how they work and what infections they treat. Assuming uniform mechanisms ignores the diversity between classes such as beta-lactams, macrolides, and fluoroquinolones.

C. Antibiotics can inhibit bacterial cell wall synthesis, protein synthesis, or DNA replication: This statement reflects the primary mechanisms of action of antibiotics. By targeting these vital bacterial processes, antibiotics effectively prevent bacterial growth or kill the organisms.

D. The mechanism of action of antibiotics involves their chemical structure only: While chemical structure influences how a drug works, the mechanism of action is defined by its specific biological effect on bacteria, not just its molecular makeup.

A. MRSA can be effectively treated with an antiviral medication. B. Place clients who have MRSA on airborne precautions. C. MRSA can live on the hands for 1 hr. D. Bathe clients with water and chlorhexidine gluconate

Correct Answer is D

Explanation

A. MRSA can be effectively treated with an antiviral medication: MRSA is a bacterial infection caused by a strain of Staphylococcus aureus resistant to many antibiotics. Antivirals are ineffective against bacteria.

B. Place clients who have MRSA on airborne precautions: MRSA is primarily spread through direct contact and contaminated surfaces, not through airborne transmission. Therefore, contact precautions, including gown and gloves, are appropriate, not airborne isolation.

C. MRSA can live on the hands for 1 hr: MRSA can survive on hands and surfaces for much longer than one hour, sometimes for days. This timeframe may underestimate the risk of transmission and reduce vigilance in hand hygiene.

D. Bathe clients with water and chlorhexidine gluconate: Daily bathing with chlorhexidine reduces bacterial colonization on the skin and lowers the risk of MRSA transmission in healthcare settings.

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A nurse is monitoring a client in a cardiac care unit. Exhibits A nurse is educating a client on the mechanism of action of ACE inhibitors, such as Lisinopril. Which of the following statements about ACE inhibitors mechanism of action and their therapeutic effects is accurate?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is discussing the mechanism of action of antibiotics with a patient. Which of the following statements best demonstrates a nurse's understanding of this concept?

Correct Answer is C

Explanation

A clinical nurse educator is preparing an educational program about transmission of methicillin-resistant Staphylococcus aureus (MRSA) in hospitalized clients. Which of the following information should the nurse include in the program?

Correct Answer is D

Explanation

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A nurse is monitoring a client in a cardiac care unit.

Exhibits

A nurse is educating a client on the mechanism of action of ACE inhibitors, such as Lisinopril. Which of the following statements about ACE inhibitors mechanism of action and their therapeutic effects is accurate?