A nurse is assisting with teaching a group of nursing students about the pathophysiology of the spinal cord. Which of the following statements by a nursing student indicates understanding?

"The ascending tract of the spinal cord processes information in the brain."

"The descending tracts of the spinal cord deliver the CNS motor information to neurons in the muscle."

"The sensory receptors are in the muscles."

"The motor neurons are in the dermal layer of skin."

Answer and Explanation

The Correct Answer is B

A. The ascending tract of the spinal cord transmits sensory information to the brain, but it does not process it; processing occurs in the brain itself.
B. This statement accurately describes the function of the descending tracts, which carry motor commands from the central nervous system (CNS) to the muscles, facilitating movement.
C. Sensory receptors are located in various tissues throughout the body, including the skin, not just in the muscles.
D. Motor neurons are not found in the dermal layer; they are located in the spinal cord and the peripheral nervous system, where they innervate muscles.

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Correct Answer is C

Explanation

A. A QRS interval of 0.08 second is within the normal range and does not indicate a myocardial infarction.
B. A PR interval of 0.15 second is normal and not indicative of an acute myocardial infarction.
C. ST-segment elevation above the isoelectric line is a key indicator of an acute myocardial infarction (STEMI), signifying myocardial injury.
D. The QT interval being equal to the R to R interval is not a specific indicator of myocardial infarction.

A. "I will use a thermometer to check the temperature of my bath water." B. "I will wear stockings with elastic tops." C. "I will not go barefoot." D. "I will avoid crossing my legs at the knees."

Correct Answer is B

Explanation

A. Using a thermometer to check the temperature of bath water is a safe practice that helps prevent burns, which is important for clients with PVD who may have reduced sensation.
B. Wearing stockings with elastic tops can restrict blood flow and is generally not recommended for clients with PVD; clients should use non-restrictive stockings instead.
C. Not going barefoot is a good practice to prevent injuries and ulcers, which are risks for clients with PVD.
D. Avoiding crossing the legs is advisable as it helps maintain adequate blood flow and reduces the risk of circulation problems.

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A nurse is assisting with teaching a group of nursing students about the pathophysiology of the spinal cord. Which of the following statements by a nursing student indicates understanding?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assisting with the care of a client who was admitted to the telemetry unit after he experienced chest pain, dyspnea, and diaphoresis. Which of the following ECG findings is a manifestation of acute myocardial infarction?

Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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A nurse is assisting with teaching a group of nursing students about the pathophysiology of the spinal cord. Which of the following statements by a nursing student indicates understanding?

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