Exam 17: Mechanisms of Hormonal Regulation

Which of the following is a protein hormone?

A 15-year-old male took an illicit drug that acts by directly inhibiting phenylethanolamine N-methyltransferase. Secretion of which of the following hormones would be inhibited?

The releasing hormones that are made in the hypothalamus travel to the anterior pituitary via the:

When insulin binds to its receptors on muscle cells, an increase in glucose uptake by the muscle cells occurs. This is an example of a _____ effect by a hormone.

Aldosterone secretion is regulated by:

The most potent naturally occurring glucocorticoid is:

A 50-year-old male patient is deficient in ADH production. Which of the following would be an expected symptom?

Adrenocorticotropic hormone (ACTH) release can be stimulated by:

The hormone whose action leads to receptor autophosphorylation and activation of tyrosine kinase is:

Catecholamines promote:

Which of the following hormones is secreted by the adrenal medulla?

Target cell receptors for most water-soluble hormones are located in the:

Antidiuretic hormone (ADH) release from the posterior pituitary is stimulated by:

A 50-year-old male with one kidney had to undergo surgery for an adrenal tumor. His zona glomerulosa was largely removed during the surgery. Which of the following would most likely occur?

A 30-year-old male is diagnosed with a hormone-secreting tumor of the pancreas alpha cells. Which of the following would most likely be increased in this patient?

Regulation of the release of epinephrine from the adrenal medulla is an example of _____ regulation.

Target cells for oxytocin are located in the:

Which of the following alterations would slow down the rate of parathyroid hormone secretion?

An essential ingredient for thyroid hormone synthesis is:

A 39-year-old female underwent surgery to remove an adrenal tumor. To completely remove it, the zona glomerulosa had to be removed. Secretion of which of the following hormones would be expected to decrease?