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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A patient recovering from an acute exacerbation of RA tells the nurse that she is too tired to bathe. What should the nurse do for this patient?

A. Give the patient a bed bath to conserve her energy.

B. Allow the patient a rest period before showering with the nurse's help.

C. Tell the patient that she can skip bathing if she will walk in the hall later.

D. Inform the patient that it is important for her to maintain self-care activities.

Expert Explanatory Rationale

Correct Answer: Give the patient a bed bath to conserve her energy.

Question 2 of 5

The Bell's phenomenon:

A. occurs during normal blinking

B. if absent suggests brain stem disease

C. is absent in Bell's palsy

D. is reduced or absent in patients with thyroid orbitopathy

Expert Explanatory Rationale

Correct Answer: is reduced or absent in patients with thyroid orbitopathy

Question 3 of 5

Which part of the brain has a blood-brain barrier?

A. anterior pituitary

B. posterior pituitary

C. pineal body

D. area postrema of the fourth ventricle

Expert Explanatory Rationale

Correct Answer: area postrema of the fourth ventricle

Question 4 of 5

While making a home visit she complains to you of experiencing increasing joint stiffness. You learn she has been doing a lot of reading lately. Based on these data you conclude she

A. needs to exercise involved joints periodically

B. needs to take long walks twice a day

C. is a chronic complainer

D. needs to rest involved joints for one hour at a time

Expert Explanatory Rationale

Correct Answer: needs to exercise involved joints periodically

Question 5 of 5

What is the role of semaphorins and Eph ligands in development of the nervous system?

A. The semaphorins and Eph ligands are growth factors that stimulate cell division of neurons.

B. The semaphorins and Eph ligands act as signals for the outgrowth of neuronal growth cones; in general, both lead growth cones to turn away.

C. The semaphorins and Eph ligands act as signals for the outgrowth of neuronal growth cones; in general, both lead growth cones to come toward them.

D. The semaphorins and Eph ligands are cell-cell adhesion molecules that bind adjacent neurons together.

Expert Explanatory Rationale

Correct Answer: The semaphorins and Eph ligands act as signals for the outgrowth of neuronal growth cones; in general, both lead growth cones to turn away.

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