chapter 27 questions

Question 1

What are the final products of meiosis?

Answer 1

four haploid cells that are each genetically different from the parent cell

Question 2

Sperm are produced in the ___________ of the tests.

Answer 2

seminiferous tubules

Question 3

Which organ of the male duct system runs from the scrotum into the pelvic cavity?

Answer 3

• ductus (vas) differs

Question 4

Select the true statement regarding the male accessory glands.

Answer 4

The prostate encircles the urethra just inferior to the bladder.

Question 5

Which cells surround and nourish developing sperm?

Answer 5

sustentocytes

Question 6

Which hormone stimulates spermatogenesis and inhibits GnRH release from the hypothalamus?

Answer 6

testosterone

Question 7

Which structure is the site where fertilization usually occurs?

Answer 7

ampulla of the uterine tube

Question 8

The male scrotum is homologous to the female ________.

Answer 8

labia majora

Question 9

Meiosis I complete in a __________ follicle just before ovulation.

Answer 9

vesicular

Question 10

Select the statement that describes an event of the follicular phase of the ovarian cycle.

Answer 10

One follicle becomes the dominant follicle.

Question 11

Which hormone prompts ovulation?

Answer 11

luteinizing hormone (LH)

Question 12

What is the most common bacterial sexually transmitted infection (STI) in the United States?

Answer 12

Chlamydia

Question 13

A site at which most of the tubular reabsorption occurs

Answer 13

Proximal convoluted tuble

Question 14

Blood supply that directly receives substances from the tubular cells

Answer 14

peritubular capillaries

Question 15

Site of filtrate formation

Answer 15

glomerulus

Question 16

Site that drains the distal convoluted tuble

Answer 16

collecting duct

Question 17

The mechanism that established the medullary osmotic gradient depends on the permeability properties of the

Answer 17

nephron loop

Question 18

Which of the choices below are the most important hormone regulators of electrolyte reabsorption and secretion

Answer 18

angiotension 2 and aldosteron

Question 19

The chief force pushing water and solutes out of the blood across the filtration membrane is

Answer 19

glomerular hydrostatic pressure

Question 20

The juxtamedullary nephron is responsible for 80% of kidney filtration.

Answer 20

false

Question 21

Glomerular Filtration Rate (GFR) is the amount of filtrate in all the renal corpuscles of both the kidneys per minute.

Answer 21

true

Question 22

The Juxtaglomerular Apparatus (JGA) consists of the macula densa cells and the juxtamedullary cells.

Answer 22

false

Question 23

Podocytes make up the parietal layer of the renal corpuscle.

Answer 23

false

Question 24

During tubular reabsorption, water is removed from blood and returned to tubule.

Answer 24

false

Question 25

The countercurrent mechanism results in dilute urine.

Answer 25

false

Question 26

Blood flows from the interlobar arteries to the arcuate arteries to the interlobular arteries.

Answer 26

true

Question 27

Arrange the four structures listed below into the order in which sperm pass from the testis to the urethral meatus. 1. ductus deferens 2. urethra 3. ejaculatory duct 4. epididymis

Answer 27

epididymis, ductus deferens,ejaculatory duct, urethra

Question 28

The pituitary hormone that stimulates the Leydig cells to secrete testosterone is

Answer 28

ACTH

Question 29

The special type of cell division required to produce gametes is called

Answer 29

meosis

Question 30

What is the function of gonads?

Answer 30

produce gametes and produce hormones

Question 31

The cells that are formed during spermatogenesis by the first meiosis are called

Answer 31

secondary spermatocytes.

Question 31

Inward projections of the tunica albuginea, known as sepia, divide the testis into

Answer 31

lobules