Anatomy & Physiology Module Test 5

Sperm and semen is the same thing.

FALSE

sperm are capable of motility within the seminiferous tubules.

FALSE

sympathetic innervation is responsible for erection: parasympathetic innervation is responsible for ejaculation.

FALSE

which two anterior pituitary hormones stimulates spermatogenesis and androgen production?

FSH & LH

only females produce FSH and LH

False

the hepatic portal vein transports blood directly from the _____ to the ____

GI tract, liver

which hypothalamic hormone initiates puberty?

GnRH

ovulation is induced with a peak in ___ secretion

LH

Which organ is an accessory organ?

Pancreas

a double-layer of peritoneum that supports the G.I. organs is called:

a mesentary

the most primitive type or ovarian follicle is:

a primordial follicle

the single diploid cell formed at fertilization is called:

a zygote

the function of intrinsic factor

absorption of vitamin B12 for erythrocyte production

which of the following is not a function of the small intestine?

all of the above are functions of the small intestine : chemical and mechanical digestion and absorption

proteins are made out of:

amino acids

the normal site of fertilization is the :

ampulla of the uterine tube

during the intestinal phase:

an increase in chyme in the duodenum inhibits gastric juice secretion and movement of chyme into the duodenum

Peristalsis

are waves of contractions that move substances

the four segments of the colon are (in order):

ascending , transverse, descending, sigmoid

the 22 pair of non-sex determining chromosomes are:

autosomes

the order through which sperm travels through the female reproductive tract is: a. body of the uterus b. vagina c. cervix d. uterine tube

b,c,a,d

pancreatic juice contains water, enzymes and:

bicarbonate

an erection of the penis is caused by:

blood filling the erectile bodies and compressing the veins.

Given the following structures of the make reproductive tract, what is the order in which sperm passes through these structures forms the testes to the penis? a. epididymis b. urethra c. effect ductile d. ejactulatory duct e. ductus deferens

c,a,e,d,b

which of the following statements concerning carbohydrates is not true?

carbohydrates have the absorbed along with dietary fat

Inability of the pyloric sphincter to open would prevent

chyme from entering the small intestine

the enteric system

coordinates peristalsis and regulates local reflexes

two large columns of erectile tissue of the penis are

corpus cavernosum

what structure forms from the remnants of the follicle following ovulation?

corpus luteum

the segments of the small intestine are (in order):

duodenum, jejunum, ileum

the layer lines the uterus is the

endometrium

the acrosome cap contains:

enzymes to allow penetration into the oocyte.

where are the spermatozoa stored until they are fully mature?

epididymis

which hormone stimulates primordial follicles to mature?

follicle stimulating hormone

what is the correct order for the phases of the ovarian cycle, beginning with day 1?

follicular, ovulation, luteal

which of the following would stimulate gastric secretions?

gastrin

the primary reproductive organs are called ____ and sex cells are called ____

gonads, gametes

teniae coli are thin bundles of smooth muscle that bunch up the large intestine into sacs called

haustra

which of the following is not part of the portal triad?

hepatopancreatic sinusoid

which valve separates the small from the large intestine?

ileocecal

Semen

includes secretions from the seminal vesicles, prostate, and bulbourethral glands and is HCO3- rich to neutralize the acidic vagina and contains nutrients to nourish sperm

the villi, microvilli, and circular folds (place circulars) function to

increase surface area for absorption

which hormone inhibits FSH secretion in males?

inhibin

which cells produce most of the testosterone released in males?

interstitial cells

which of the following is not an upper G.I. tract organ?

jejunum

the female external genitalia that are homologous to the male scrotum is the:

labia majora

Secretions that are added as food moves through the GI tract assist in

liquefying and digesting the food

where are hepatocytes located?

liver

sperm will only develop properly at:

lower than body temperature

what is the correct order for the phases of the uterine cycle, beginning with day 1?

menstrual, proliferative, secretory

Which layer of the digestive tract is in direct contact with the food consumed?

mucosa

the thick, muscular, middle tunic of the uterine wall is the:

myometrium

The cephalic phase of digestion occurs:

none of the above

a polar body is

none of the above

the gallbladder empties into the:

none of the above: stomach, ileum, jejunum, or cecum

what accessory digestive organ(s) add secretions to the duodenum?

pancreas

which of the following structures has both endocrine and exocrine tissues?

pancreas

which organ produces enzymes that digest all four macromolecules?

pancreas

insulin is released from the

pancreas (none of the above)

of the five types of secretory cells in the gastric glands, which type secrets HCl?

pariteal cells

the clitoris is homologous to the

penis

The diamond-shaped area between the thighs is the:

perineum

which method of motility just propels ingested material along the G.I. tract (as occurs in the esophagus)?

peristalsis

what is the only necessary life function of the stomach?

production of intrinsic factor

which hormone stimulates uterine lining growth during the secretory phase?

progesterone

the corpus luteum secretes:

progesterone and estrogen

the anterior pituitary hormone that is crucial for milk production is :

prolactin

which of the male accessory glands encircles the urethra and produces milky fluid rich in citric acid, antibiotics to combat urinary tract infections, and PSA?

prostate gland

pepsin digests

proteins

which phase (or period of a phase) of male sexual response is not present in female?

refractory

the function of the dartos and the cremaster muscles is to:

regulate the temperature of the testes

Reflux of gastric contents into the esophagus occurs because of

relaxation of the cardiac sphincter

after forming in the seminiferous tubules, immature sperm are transported to the ___, a mesh of channels in the testis

rete testis

in the presence of acid chyme in the duodenum, the duodenum will secrete ____ which will stimulate the ____ to produce secretions high in _____.

secretin, pancreas and liver, bicarbonate

the back and forward motion of the small intestine that mixes chyme with secretions is called:

segmentation

which gland secretes a fluid containing fructose and alkaline fluid?

seminal vesicles

sperm are produced in the:

seminiferous tubules

the lining of the gastrointestinal tract that allows for absorption and secretion is

simple columnar epithelium

Food Is prevented from entering the nasal cavity during swallowing by the

soft palate

blood vessels, nerves and smooth muscle attach to the testis through the :

spermatic cord

which is note true about spermatogenesis?

spermatogenesis begins at birth and continues through out the man's life

Which of the following organs is part of the digestive tract or alimentary canal?

stomach

which cells nourish developing sperm cells, produce inhibit, and for blood-testis barrier?

sustenacular cells

why doesn't the acid in the stomach damage the walls of the stomach?

the stomach wall is protected by large amounts of mucus

which is not a function of the digestive system?

these are all the functions of the digestive system: digestion, ingestion, elimination, and secretion

about how many ovarian follicles are present at birth?

1.5 million

a human diploid cell contains:

23 pairs of chromosomes

the liver has how many lobes?

4