Test - Endocrine System

Question 1

1. Which of the following statements about the placenta is NOT true?

Answer 1

The placenta protects an embryo from alcohol & other harmful substances that might be present in the mother’s blood. (BBD)

Question 2

3. Insulin is produced by cells of the pancreatic islets called:

Answer 2

Beta cells (Hormone notes)

Question 3

5. Nutrients from the mother pass to the developing embryo through a membrane called the

Answer 3

placenta (BBD)

Question 4

7. Being lipid soluble, steroids can do all the following EXCEPT:

Answer 4

catalyze cyclic AMP (Hormone Chart)

Question 5

30. The gland that produces thymosin is indicated by letter…

Answer 5

thymus (F) (BBD)

Question 6

36. The endocrine gland called the ____ gland communicates with the hypothalamus to control many body activities.

Answer 6

pituitary (BBD)

Question 7

38. A hormone released by the ___ glands controls the amount of calcium in the blood.

Answer 7

parathyroid (BBD)

Question 8

49. describe the three types of stimuli that activate the endocrine organs.

Answer 8

the most common stimulus is hormonal. In hormonal stimulus, endocrine organs are prodded into action by other hormones known as tropic hormones. Another type of stimulus is humoral, in which changing blood levels of certain ions and nutrients stimulate hormone release. The third type of stimulus in neural, in which nerve fibers stimulate hormone release. (3 Types of Stimuli)