Stimulation by touching or pulling on which structure is least likely to cause a painful sensation?

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Neurological Assessment NCLEX Questions Questions

Question 1 of 5

Stimulation by touching or pulling on which structure is least likely to cause a painful sensation?

Correct Answer: A

Rationale: The brain tissue (postcentral gyrus) lacks pain receptors, unlike dura and blood vessels. TMP13 p. 629

Question 2 of 5

An 85-year-old woman visits the ophthalmologist because of difficulty seeing. The patient is given an eye examination, and bifocal lenses are prescribed. The physician notes that the lenses of her eyes are clear. The woman sees well with her new prescription glasses. Which of the following best describes the most likely vision problem in this woman?

Correct Answer: D

Rationale: Presbyopia, loss of lens elasticity with age, requires bifocals for near/far vision. TMP13 p. 640

Question 3 of 5

Which of the following best describes the electrical response of the rods to light?

Correct Answer: D

Rationale: Light causes rod hyperpolarization by closing sodium channels. TMP13 p. 651

Question 4 of 5

Which sensory system has the smallest range of intensity discrimination?

Correct Answer: C

Rationale: Olfaction has a narrow intensity range (10-50 times threshold) compared to other systems. TMP13 p. 690

Question 5 of 5

When a person turns the head to the left about the axis of the neck, the motion begins when the chin is directly over the right shoulder and ends with the chin directly over the left shoulder. Which option best describes the eye movements associated with this type of head rotation in a normal person?

Correct Answer: A

Rationale: Eyes move right to fixate during left head turn, with leftward saccades to refixate. TMP13 pp. 667-668

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