FINAL EXAM PT. 3

Question 1

mature sperm function best

Answer 1

at temperature slightly cooler then body temperature

Question 2

synthesis of new sperm cells occurs in the

Answer 2

seminiferous tubules

Question 3

the muscular layer of the uterus that provides the force necessary to expel the baby during birth is called the __________.

Answer 3

myometrium

Question 4

which of the following is the correct order of structures through which sperm pass during an ejaculation?

Answer 4

epididymis, vas deferens, ejaculatory duct, urethra

Question 5

which of the following stimuli is most likely to increase secretion of ADH?

Answer 5

sweating-induced dehydration

Question 6

an increase in the permeability and water reabsorption of the cells of the collecting tubule to water is due to a(n) __________.

Answer 6

increase in the production of ADH

Question 7

a condition in females that occurs when endometrial tissue moves through the oviducts and adheres to the ovaries or other organs in the abdominal cavity is _______.

Answer 7

endometriosis

Question 8

which of the following describes the distribution of sodium and potassium between cells and body fluids?

Answer 8

K+ mainly in the cells, Na+ in the body fluids

Question 9

when the ovum is released from the ovary, it is transported to the uterus through the

Answer 9

uterine (fallopian) tube

Question 10

in humans, fertilization usually occurs in the

Answer 10

uterine tube

Question 11

the primary sources of the nitrogenous wastes (urea) that are eliminated by the kidneys are

Answer 11

protein metabolism

Question 12

Following their production in the testis, immature sperm cells are transferred just outside the testis to the ________, where they mature.

Answer 12

epididymus

Question 13

the kidneys are stimulated to produce renin ______.

Answer 13

by a decrease in the blood pressure

Question 14

which of the choices below exerts primary control over sodium levels in the nephron?

Answer 14

aldosterone

Question 15

which structure is formed by the follicular cells that remain behind in the ovary following ovulation in humans?

Answer 15

a steroid-hormone synthesizing structure called the corpus luteum

Question 16

the functional and structural unit of the kidneys is the _______.

Answer 16

nephron

Question 17

the semivesicles produce which one of the following to serve as the energy source to fuel sperm motility?

Answer 17

fructose

Question 18

which correctly describes the outcome of a vasectomy?

Answer 18

prevention of sperm from entering the male urethra

Question 19

which of the following is the best explanation for why the cells of the PCT contain microvilli?

Answer 19

a great deal of substances transported takes place in the PCT