FINAL EXAM PT. 2

Question 1

what process releases urine from the bladder?

Answer 1

micturition

Question 1

the force of glomerular filtration is the…

Answer 1

blood pressure in the glomerular capillaries

Question 2

the primary function of the proximal tubule is

Answer 2

reabsorption of ions, organic molecules, and water

Question 3

the portion of the nephron closest to the glomerular capsule is the

Answer 3

proximal tubule

Question 4

in normal kidneys, blood cells and large plasma proteins are

Answer 4

not filtered

Question 5

As filtrate moves through a nephron, it is modified by ions, water, and other materials either being secreted into the nephron or by reabsorption of substances out of the nephron. However, such modifications do not occur in which one of the following regions of the nephron?

Answer 5

glomerular capsule

Question 6

valuable substances in filtrate are returned to the blood through what process?

Answer 6

reabsorption

Question 7

renin is secreted by which one of the following structures?

Answer 7

juxtaglomerular apparatus

Question 8

the hormone ADH

Answer 8

causes the cells of the collecting duct to be more permeable to reabsorbing water

Question 9

over 99% of the water filtered through the glomerulus is reabsorbed. At which one of the following locations does most of this water reabsorption occur?

Answer 9

proximal tubule

Question 10

which of the following is NOT a chemical buffer system?

Answer 10

nitrogen

Question 11

which statement regarding sexual reproduction is TRUE?

Answer 11

sexual reproduction generates greater genetic variation than asexual reproduction

Question 12

respiratory acidosis can occur when ________.

Answer 12

a person’s breathing is shallow due to obstruction

Question 13

in which one of the following locations does fertilization usually occur?

Answer 13

uterine tube

Question 14

synthesis of new sperm cells occurs in the

Answer 14

testes

Question 15

the ultimate goal of the male reproductive system is to

Answer 15

deliver sperm into the female’s reproductive system

Question 16

Nancy is experiencing an acute panic attack. While hyperventilating, she remembers to open a paper bag and breathe into it. What is Nancy trying to prevent?

Answer 16

respiratory alkalosis

Question 17

A falling blood pH and a rising partial pressure of carbon dioxide due to pneumonia or emphysema indicates ________.

Answer 17

respiratory acidosis

Question 18

the embryo normally implants in the

Answer 18

uterus

Question 19

when ADH levels are low, ________.

Answer 19

most of the water reaching the collecting ducts is not reabsorbed

Question 20

which is not a potential advantage of asexual reproduction?

Answer 20

it produces genetically diverse populations