From which layer of the embryo does the nervous system form?

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Neurological Assessment NCLEX Questions Questions

Question 1 of 5

From which layer of the embryo does the nervous system form?

Correct Answer: A

Rationale: The nervous system derives from the ectoderm via the neural plate, which forms the neural tube, unlike mesoderm (muscles, bones) or endoderm (gut).

Question 2 of 5

The basilar membrane

Correct Answer: C

Rationale: The basilar membrane is wider and less stiff at the apex, resonating with low frequencies, while the base handles high frequencies.

Question 3 of 5

Which pair of neurons is most similar in terms of their temporal firing patterns?

Correct Answer: C

Rationale: M-type (magnocellular) ganglion cells and Pacinian corpuscles are both rapidly adapting, responding to transient stimuli.

Question 4 of 5

A client with acute ischemic stroke is ordered to receive alteplase. The client weighs 160.6 lbs. Based on standard alteplase administration for stroke, how many mL per hour will the nurse run bolus?

Correct Answer: D

Rationale: Alteplase dose: 0.9 mg/kg (max 90 mg), 10% as bolus over 1 min. 160.6 lbs = 72.9 kg, bolus = 6.57 mg. Assuming 10 mg/mL concentration, 0.657 mL/min = 39.42 mL/hr, closest to D (65.7). Context suggests mL/hr intent.

Question 5 of 5

The nurse provides discharge teaching post-liver transplant. Which client statement indicates more teaching is needed?

Correct Answer: C

Rationale: Stopping steroids during infection (C) is dangerous due to adrenal suppression; more teaching needed.

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