Chapter 16, Problem 16.12a
Fill in the blanks: The outer part of the adrenal gland is the______, which secretes______. The inner part of the adrenal gland is the_____ , which secretes _______.
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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. Steroid hormones are hydrophilic molecules that bind to plasma membrane proteins as part of a second-messenger system.
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
e. The secretion of most hormones is regulated by a negative feedback system.
Which of the following statements correctly describes the role of parathyroid hormone?
a. Parathyroid hormone regulates the metabolic rate.
b. Parathyroid hormone increases the blood calcium ion concentration.
c. Parathyroid hormone decreases the blood sodium ion concentration.
d. Parathyroid hormone causes water retention by the kidneys.
Which of the following is not an effect of aldosterone?
a. Increased excretion of hydrogen ions from the fluid in the kidneys
b. Increased retention of sodium ions from the fluid in the kidneys
c. Increased retention of potassium ions from the fluid in the kidneys
d. Increased retention of water from the fluid in the kidneys
Cortisol is:
a. a potent inhibitor of the inflammatory response.
b. an important part of the stress response.
c. Both a and b are correct.
d. Neither a nor b is correct.
Describe the components of the hypothalamic-pituitary-adrenocortical axis, and explain how it regulates secretion from the adrenal gland.