Quiz Chapter 18

Quiz Chaper 18

1.       What is one of the endocrine functions of the hypothalamus?

2.       If levels of calcium are low in the blood, what hormone would restore calcium to homeostasis?

3.       Which of the following indirect-acting hormones activates adenylate cyclase and will produce a change in cellular activity by way of cAMP?

4.       What is the role of FSH in males?

5.       Why do high levels of cortisol, a steroid hormone from the adrenal cortex, cause a decrease in the pituitary secretion of ACTH?

6.       Which pancreatic cell type is paired with the hormone it produces?

7.       Which is the effect of glucagon?

8.       Why are diabetics continuously thirsty and why do they frequently urinate?

9.       Increased amounts of sunlight inhibit the production of which hormone?

10.   What is the effect of renin secretion by the kidneys?

11.   The removal of the parathyroid glands results in a decrease in the blood concentration of which important mineral?

12.   Melatonin is well known for its role in regulating circadian rhythm. What are two other functions of melatonin?

The Fight to Rescue American Health Care

Quiz Chapter 29

Quiz Chapter  29

1.       What is an important enzyme involved in the penetration of the oocyte during fertilization?

2.       What process of chemical interplay among developing cells prompts the differentiation of other embryonic cells?

3.       What is the developmental fate of the inner cell mass of the blastocyst?

4.       Improper development of which of the extraembryonic membranes affects the cardiovascular system?

5.       Which of the three embryonic germ layers consists of cells that do NOT migrate to the interior of the inner cell mass?

6.       Which body system develops from all three embryonic germ layers?

7.       What is (are) the important function(s) of the placenta?

8.       Why does a mother’s blood volume increase during pregnancy?

9.       What are the important roles of hCG in maintaining pregnancy?

10.   Why is it more detrimental for a pregnant woman to be exposed to teratogens, alcohol, or drugs during the first trimester than later in pregnancy?

11.   Where is oxytocin produced in the brain?

12.   Which factor opposing progesterone is the trigger for the onset of “true labor”?

13.   When the lungs expand as neonate takes his or her first breath, what important change(s) occur(s) in the cardiovascular system?

14.   If a fetus is delivered at 26 weeks and weighs 550 g, what type of delivery has occurred and what are the chances of survival?

15.   Why are children not identical copies of their parents?