What is responsible to move the blood supply from the feet toward the inferior vena cava?

Thigh muscles

Arterial pulsations

Venous flow

Calf muscles

Answer and Explanation

The Correct Answer is D

A. Thigh muscles: While thigh muscles assist in venous return, they are not as critical as the calf muscles in moving blood from the feet.

B. Arterial pulsations: Arterial pulsations help in the forward movement of blood in the arteries but do not directly assist with venous return from the feet.

C. Venous flow: Venous flow is the general term for blood movement in veins, but it does not specify the mechanism responsible for moving blood from the feet.

D. Calf muscles: The calf muscles, through their contraction (often referred to as the "muscle pump"), are crucial in helping to push blood upwards from the feet towards the inferior vena cava. This mechanism is essential for effective venous return.

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Correct Answer is ["A","C","E"]

Explanation

A. Caffeine intake: Can cause a temporary increase in blood pressure due to its stimulant effects.

B. Post meal: While eating can cause temporary changes in blood pressure, it is less likely to be a significant factor compared to other causes.

C. Stress: Can lead to temporary increases in blood pressure due to the body's stress response.

D. Drinking a glass of water: Typically does not significantly affect blood pressure unless there is an underlying issue such as dehydration.

E. Time of day: Blood pressure can naturally vary throughout the day, often being higher in the morning and lower in the evening.

A. Pulmonic and tricuspid B. Mitral and aortic C. Aortic and pulmonic D. Tricuspid and mitral

Correct Answer is C

Explanation

A. Pulmonic and tricuspid: The tricuspid valve's closure is not primarily audible at the 2nd intercostal space right sternal border; it is better heard at the lower left sternal border.

B. Mitral and aortic: The mitral valve is best heard at the apex of the heart, not the 2nd intercostal space right sternal border.

C. Aortic and pulmonic: The 2nd intercostal space right sternal border is the area where the aortic and pulmonic valves are auscultated. The louder S2 here indicates the closure of these valves, with the aortic valve being the primary source of sound in this area.

D. Tricuspid and mitral: These valves are best heard at other locations, with the tricuspid valve near the lower left sternal border and the mitral valve at the apex.

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What is responsible to move the blood supply from the feet toward the inferior vena cava?

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Naxlex Comprehensive Predictor Exams

After taking the vital signs of a client, the nurse notes the client has a high systolic blood pressure reading. Which factors should the nurse include when explaining the possible cause of this increase? Select all that apply.

Correct Answer is ["A","C","E"]

Explanation

When auscultating a client's heart sounds, the nurse hears a louder S2 when listening at the 2nd intercostal space right sternal border. The nurse determines that this finding is consistent with the closure of which heart valves?

Correct Answer is C

Explanation

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