The nurse assesses the wound of a client who received sutures for a laceration of the hand two days ago. Which finding is a normal inflammatory response?

Shivering.

Purulent drainage.

Temperature of 102° F (37.8° C).

Redness and localized heat.

Answer and Explanation

The Correct Answer is D

A) Shivering:

Shivering is not a normal inflammatory response to wound healing. It may indicate systemic symptoms such as fever or chills, which could be indicative of infection or other complications.

B) Purulent drainage:

Purulent drainage (pus) is often a sign of infection rather than a normal inflammatory response to wound healing. While some serous or serosanguinous drainage may be expected initially, purulent drainage suggests an abnormal response.

C) Temperature of 102° F (37.8° C):

A temperature of 102° F (37.8° C) is indicative of fever, which can occur in response to infection or inflammation. While fever is part of the inflammatory response, it is not necessarily considered a normal finding in the context of wound healing and may indicate an abnormal response such as infection.

D) Redness and localized heat:

Correct. Redness (erythema) and localized heat are typical signs of the inflammatory phase of wound healing. Inflammation is a normal response to tissue injury and is characterized by increased blood flow to the area, resulting in redness and warmth. These signs indicate that the body's immune response is active and working to repair the injured tissue.

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Correct Answer is A

Explanation

The atrioventricular (AV) node is an essential component of the cardiac conduction system responsible for transmitting electrical impulses from the atria to the ventricles. The inherent rate of the AV node refers to its intrinsic ability to generate electrical impulses in the absence of external influences.

Here's a breakdown of each option:

A) 40 to 60:

Correct. The inherent rate of the AV node is typically 40 to 60 beats per minute (bpm). This rate is slower than that of the sinoatrial (SA) node, which has an inherent rate of 60 to 100 bpm. The AV node acts as a backup pacemaker, ensuring that the ventricles receive electrical impulses even if the SA node fails to function properly.

B) 20 to 40:

This range is not consistent with the typical inherent rate of the AV node. A rate of 20 to 40 bpm would be unusually slow and could indicate significant conduction system abnormalities rather than the normal functioning of the AV node.

C) 60 to 80:

This range is more characteristic of the inherent rate of the SA node rather than the AV node. The SA node is the primary pacemaker of the heart, and its inherent rate is typically 60 to 100 bpm.

D) 80 to 100:

Similar to option C, this range is more consistent with the inherent rate of the SA node rather than the AV node. The SA node typically has a faster intrinsic rate compared to the AV node.

A. Reduced blood flow occurs when legs are elevated. B. Reddened color occurs when the feet are dependent. C. Arterial occlusion causes ischemic pain during activity. D. Reduction in blood supply leads to muscle atrophy.

Correct Answer is C

Explanation

Intermittent claudication is a common symptom experienced by individuals with peripheral artery disease (PAD). It occurs due to the underlying pathophysiology of arterial occlusion and ischemia during physical activity. Here's why option C is the correct choice:

A) Reduced blood flow occurs when legs are elevated:

This statement is not accurate regarding the pathophysiology of intermittent claudication in PAD. When legs are elevated, gravity assists venous return, which may actually improve blood flow temporarily. However, intermittent claudication occurs during activity, not when the legs are elevated.

B) Reddened color occurs when the feet are dependent:

This statement is unrelated to the pathophysiology of intermittent claudication. Redness when the feet are dependent may suggest venous insufficiency rather than arterial occlusion characteristic of PAD.

C) Arterial occlusion causes ischemic pain during activity:

Correct. Intermittent claudication is caused by inadequate blood flow to the muscles during physical activity due to arterial occlusion in PAD. As the demand for oxygen increases during exercise, the narrowed arteries cannot supply sufficient blood flow, leading to ischemic pain in the affected muscles. This pain typically resolves with rest and recurs upon resuming activity.

D) Reduction in blood supply leads to muscle atrophy:

Muscle atrophy may occur in severe cases of PAD with chronic ischemia, but it is not the primary cause of intermittent claudication. Intermittent claudication is primarily attributed to inadequate blood flow during activity, which results in ischemic pain rather than muscle atrophy.

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The nurse assesses the wound of a client who received sutures for a laceration of the hand two days ago. Which finding is a normal inflammatory response?

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Naxlex Comprehensive Predictor Exams

What is the inherent rate of the AV (atrioventricular) node area?

Correct Answer is A

Explanation

When developing a teaching plan for a client with peripheral artery disease, the nurse should explain that intermittent claudication occurs as the result of which underlying pathophysiology?

Correct Answer is C

Explanation

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Which physiological process supports the exchange of blood concentrations across a semipermeable membrane in the hemodialysis?

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