Select the incorrect statement about peptide hormo

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Question 1 of 5

Select the incorrect statement about peptide hormones.

A. They include adrenal cortex hormones. B. Insulin is an example. C. They are stored within secretory granules. D. They are secreted from endocrine glands.

Correct Answer: A

Rationale: Adrenal cortex hormones are steroids, not peptides; insulin is a peptide hormone.

Question 2 of 5

A hormone's effective plasma concentration can be influenced by

A. its rate of excretion B. its extent of binding to plasma proteins C. its rate of metabolic inactivation D. all of the above

Correct Answer: D

Rationale: All factors affect how much active hormone is available in plasma.

Question 3 of 5

Synergism occurs when

A. one hormone induces the loss of another hormone's receptors B. the actions of several hormones are complementary, and their combined effect is greater than the sum of their separate effects C. one hormone must be present in adequate amounts for the full exertion of another hormone's effect, even though the first hormone does not directly elicit the response D. one hormone increases the number of target-tissue receptors for another hormone

Correct Answer: B

Rationale: Synergism (e.g., glucagon and epinephrine) amplifies combined effects beyond individual actions.

Question 4 of 5

Which of the following hormones is released from the hypothalamus?

A. CRH B. TSH C. FSH D. LH

Correct Answer: A

Rationale: CRH (corticotropin-releasing hormone) is a hypothalamic hormone.

Question 5 of 5

Which statement about hypophysiotropic hormones is/are correct?

A. Each hormone influences only one anterior pituitary hormone. B. All of them stimulate the release of anterior pituitary hormones. C. They are also produced outside of the hypothalamus, where they serve different functions. D. They are secreted into the general circulation.

Correct Answer: C

Rationale: e.g., somatostatin is produced in the pancreas with different roles.

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Select the incorrect statement about peptide hormones.

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Medical Surgical Endocrine ATI Quizlet Questions

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