Questions About the Endocrine System


1. The receptor for a peptide hormone ___________.


          a. sits in the cell’s outer membrane and binds to a hydrophobic hormone

          b. sits in the cell’s outer membrane and binds to a hydrophilic hormone

          c. sits inside the cell and binds to a hydrophobic hormone

          d. sits inside the cell and binds to a hydrophilic hormone


2. The anterior pituitary gland receives hormone messages from the hypothalamus via ________.

 

          a. a capillary network 

          b. neurons that extend from the hypothalamus to the pituitary

          c. Schwann cells

          d. both a and b


3. The posterior pituitary gland receives hormone messages from the hypothalamus via ________.

 

          a. a capillary network 

          b. neurons that extend from the hypothalamus to the pituitary

          c. Schwann cells

          d. both a and b


4. Which of the pairs of hormones BOTH increase blood sugar?

 

          a. insulin and glucagon 

          b. growth hormone and insulin

          c. glucagon and epinephrine 

          d. antidiuretic hormone and glucagon


5. Select the correct statement.


          a. Insulin is released by α cells and increases blood sugar.

          b. Insulin is released by α cells and lowers blood sugar.

          c. Insulin is released by β cells and increases blood sugar.

          d. Insulin is released by β cells and lowers blood sugar.


6. Target cells respond to hormones because ____________.


          a. they sit next to the cell that makes the hormone

          b. they made the hormone they are responding to

          c. they have receptors for that hormone

          d. all cells in the body respond to all hormones


7. Peptide hormones _______________.

 

          a. are hydrophilic 

          b. cannot enter the target cell

          c. bind to a receptor on the cell surface 

          d. all of these


8. Antidiuretic hormone _______________.

 

          a. controls metabolic rate 

          b. controls the amount of urine one produces

          c. increases blood sugar 

          d. controls reproduction


9. ____________ is a steroid hormone.

 

          a. Vitamin D 

          b. Epinephrine 

          c. Insulin 

          d. all of these


10. Steroid hormones _____________________.

 

          a. bind to a receptor inside the target cell 

          b. are made from cholesterol

          c. cause the cell to make new proteins 

          d. all of these


11. Which of these hormones is released by the posterior pituitary gland?

 

          a. thyroid hormone 

          b. antidiuretic hormone 

          c. glucagon 

          d. insulin