The most common second messengers for peptide hormones are ______ and _____.

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Medical Surgical Endocrine Quizlet Questions

Question 1 of 5

The most common second messengers for peptide hormones are ______ and _____.

Correct Answer: C

Rationale: cAMP and calcium ions are the primary second messengers that mediate the effects of peptide hormones inside cells.

Question 2 of 5

What gland requires iodine in order to produce its hormones?

Correct Answer: D

Rationale: The thyroid gland needs iodine to synthesize thyroxine (T4) and triiodothyronine (T3).

Question 3 of 5

Epinephrine and norepinephrine from the adrenal medulla will produce the same results as the _____ nervous system.

Correct Answer: A

Rationale: Adrenal medulla hormones mimic the sympathetic nervous system's fight-or-flight response.

Question 4 of 5

When blood glucose levels are low, the ______ will increase the secretion of ______.

Correct Answer: B

Rationale: Low glucose triggers the pancreas to secrete glucagon to raise blood sugar.

Question 5 of 5

Along with the nervous system, the ______ system coordinates the various activities of body parts.

Correct Answer: B

Rationale: The endocrine system, alongside the nervous system, coordinates body functions via hormones.

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