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ATI RN · ATI Medical Surgical · Endocrine System Questions and Answers PDF

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which labeled structure in the diagram secretes glucagon?

A. A

B. B

C. C

D. D

Expert Explanatory Rationale

Correct Answer: C

Question 2 of 5

The portion of the pituitary that arises from the roof of the primitive oral cavity is the:

A. adenohypophysis

B. pars nervosa

C. neurohypophysis

D. infundibulum

Expert Explanatory Rationale

Correct Answer: adenohypophysis

Question 3 of 5

An expectant mother tells the nurse that she is concerned about breastfeeding and asks the nurse how her body knows that it is time to produce milk. The nurse's best response regarding stimulus for milk production is that delivery of the fetus:

A. Begins a series of events that increase prolactin levels

B. Causes a rapid drop in estrogen level

C. Begins a series of events that increase oxytocin levels

D. Causes a rapid increase in estrogen level

Expert Explanatory Rationale

Correct Answer: Begins a series of events that increase prolactin levels

Question 4 of 5

Which statement explains why elements in the same group of the Periodic Table have similar chemical properties?

A. They have different numbers of protons.

B. They have the same number of neutrons.

C. They have the same number of electron shells.

D. They have the same number of outer-shell electrons.

Expert Explanatory Rationale

Correct Answer: They have the same number of outer-shell electrons.

Question 5 of 5

Since insulin released from the pancreas is carried in the bloodstream to distant target cells, like muscle cells, it is considered to be a(n)

A. Local hormone

B. Circulating hormone

C. Paracrine

D. Autocrine

Expert Explanatory Rationale

Correct Answer: Circulating hormone

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