A nurse is caring for a client who experienced severe head trauma. The client's partner asks the nurse why they are concerned about the mean arterial pressure (MAP). The nurse should explain that MAP determines which of the following?

Cerebral blood flow

The client's intake and output needs

Regulation of blood pressure

Resorption of cerebrospinal fluid

Answer and Explanation

The Correct Answer is A

A. Cerebral blood flow. MAP is crucial for maintaining adequate cerebral perfusion pressure, ensuring enough blood flow to the brain.

B. The client's intake and output needs. MAP does not directly influence intake and output needs; it is more directly related to blood flow and tissue perfusion.

C. Regulation of blood pressure. MAP is a measure of average blood pressure but not a regulator of it.

D. Resorption of cerebrospinal fluid. CSF resorption is not directly influenced by MAP; it’s regulated by intracranial pressure and other factors.

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Correct Answer is D

Explanation

A. "I will avoid crossing my legs at the knees." Crossing the legs can restrict blood flow and should be avoided in PVD.

B. "I will use a thermometer to check the temperature of my bath water." Due to reduced sensation, checking the water temperature can prevent burns.

C. "I will not go barefoot." Going barefoot increases the risk of injury or infection, especially with impaired circulation.

D. "I will wear stockings with elastic tops." Stockings with tight elastic tops can restrict blood flow, worsening symptoms in PVD.

A. Barrel chest B. Bradycardia C. Clubbing of the fingers D. Heart murmur

Correct Answer is D

Explanation

A. Barrel chest. A barrel chest is commonly seen in chronic obstructive pulmonary disease (COPD) rather than mitral valve stenosis.

B. Bradycardia. Bradycardia is not typically associated with mitral valve stenosis, as symptoms often include rapid or irregular heartbeat.

C. Clubbing of the fingers. Clubbing is associated with chronic hypoxia, often due to pulmonary conditions, not specifically with mitral valve stenosis.

D. Heart murmur. Mitral valve stenosis causes turbulent blood flow through the narrowed valve, resulting in a characteristic murmur.

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A nurse is caring for a client who experienced severe head trauma. The client's partner asks the nurse why they are concerned about the mean arterial pressure (MAP). The nurse should explain that MAP determines which of the following?

Nursing Test Bank

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