What is the consequence for the ability of motor neurons to find their correct targets, if a section of the spinal cord is rotated, so that the antero-posterior axis is reversed?

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Health Assessment Neurological System NCLEX Questions Questions

Question 1 of 5

What is the consequence for the ability of motor neurons to find their correct targets, if a section of the spinal cord is rotated, so that the antero-posterior axis is reversed?

Correct Answer: B

Rationale: When the antero-posterior axis of the spinal cord is reversed, motor neurons follow their intrinsic programming and enter the limb in the reversed position. They then innervate muscles based on their new position, leading to incorrect connections. This demonstrates the importance of spatial cues in guiding motor neurons to their correct targets.

Question 2 of 5

The deep groove that separates the right and left cerebral hemispheres is called the _______.

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

The nurse notes that a patient has a history of falling. Which part of the brain should the nurse question as being affected in this patient?

Correct Answer: B

Rationale: The cerebellum is responsible for coordination, balance, and posture, making it the most likely area affected in a patient with a history of falling. The medulla regulates vital functions, the frontal lobes control voluntary movement, and the hypothalamus maintains homeostasis. The cerebellum's role in motor control is essential for assessing balance issues.

Question 4 of 5

The nurse is providing post-procedure care for a patient recovering from a lumbar puncture. Which order should the nurse anticipate for this patient?

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

The nurse is participating in the preparation of a seminar on the neurologic system for a community health fair. Which part of the system is the nurse referring when the statement 'rest and digest' is included?

Correct Answer: D

Rationale: The parasympathetic division of the autonomic nervous system is responsible for 'rest and digest' functions, such as digestion and relaxation. The sympathetic division mediates the 'fight-or-flight' response, while the cerebral hemispheres are involved in higher cognitive functions. Understanding the autonomic nervous system is key to explaining physiological responses.

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