A nurse is teaching the patient with mitral valve problems about the valves of the heart. Starting on the right side of the heart, describe the sequence of blood flow through these valves. 1. Mitral; 2. Aortic; 3. Tricuspid; 4. Pulmonic

4,3,2,1

1,3, 2,4

3,4, 1,2

2,4, 1,3

Answer and Explanation

The Correct Answer is C

A. 4, 3, 2, 1 (Pulmonic → Tricuspid → Aortic → Mitral): This sequence incorrectly places the pulmonic valve first instead of the tricuspid.

B. 1, 3, 2, 4 (Mitral → Tricuspid → Aortic → Pulmonic): This sequence incorrectly starts with the mitral valve (left side of the heart), instead of the tricuspid (right side of the heart).

C. 3, 4, 1, 2 (Tricuspid → Pulmonic → Mitral → Aortic): Blood flow through heart valves follows this order:

Tricuspid Valve (Right atrium → Right ventricle)
Pulmonic Valve (Right ventricle → Pulmonary artery → Lungs)
Mitral Valve (Left atrium → Left ventricle)
Aortic Valve (Left ventricle → Aorta → Body)

D. 2, 4, 1, 3 (Aortic → Pulmonic → Mitral → Tricuspid): This sequence incorrectly places the aortic valve first, which is incorrect for blood flow through the heart.

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Free Nursing Study Resources

Correct Answer is A

Explanation

A. Assessing changes in body temperature. The RN is responsible for assessing trends in temperature and identifying potential clinical implications (e.g., infection, sepsis, or medication reactions).

B. Being aware of the usual values for the patient. While knowing baseline values is important, this is not solely an RN responsibility. Nursing assistants and other healthcare providers also note baseline values.

C. Obtaining temperature measurements at ordered frequency. This task can be delegated to a nursing assistant or licensed practical nurse (LPN), as it is a routine task that does not require assessment.

D. Using an appropriate route and device. While the RN ensures correct procedures are followed, this specific task can also be performed by trained assistive personnel. The RN focuses on interpretation and intervention.

A. Initiate a peripheral IV B. Administer another nitroglycerin tablet C. Obtain an ECG/EKG D. Call the Rapid Response Team

Correct Answer is C

Explanation

A. Initiate a peripheral IV: While an IV line is useful for medication administration, the patient’s pain has significantly improved with nitroglycerin. An IV may be necessary later, but it is not the next step in this scenario.

B. Administer another nitroglycerin tablet: Nitroglycerin can be repeated every 5 minutes up to 3 doses if chest pain persists or does not decrease significantly. Since the pain has improved (from 6 to 2), additional nitroglycerin is unnecessary.

C. Obtain an ECG/EKG: Even though the pain improved, unstable angina can progress to myocardial infarction. An ECG helps evaluate for ischemic changes and ensures the pain is truly resolving.

D. Call the Rapid Response Team (RRT): RRT should be called for worsening chest pain, unresponsiveness, or hemodynamic instability. Since the pain has improved, calling RRT is unnecessary.

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A nurse is teaching the patient with mitral valve problems about the valves of the heart. Starting on the right side of the heart, describe the sequence of blood flow through these valves. 1. Mitral; 2. Aortic; 3. Tricuspid; 4. Pulmonic

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The patient requires temperatures to be taken every 2 hours. Which task will be the responsibility of the RN?

Correct Answer is A

Explanation

Correct Answer is C

Explanation

Convert from Fahrenheit to Celsius: 98.6

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