BIO222-24/25/28

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________ are arranged within a lobule of the liver into a series of irregular plates converging toward a central vein.

Hepatocytes

Which is not true of pancreatic enzymes?

Their primary site of action is the pancreas

A disease that attacks and disables the myenteric plexus would

decrease intestinal motility

Identify the structure labeled "4."

ductus deferens

Submucosal glands that secrete mucus are characteristic of the

duodenum

Absorption of glucose from the gut lumen depends on all of the following except

emulsification forming small micelles

The menstrual and proliferative phases of the uterine cycle occur during the ________ phase of the ovarian cycle.

follicular

Which layer of the uterus undergoes dramatic changes in thickness and structure during the uterine cycle responding to hormones.

functional layer of the endometrium

The ________ is the rounded portion of the uterine body superior to the attachment of the uterine tubes.

fundus

During the citric acid cycle, both NAD and FAD ________ a hydrogen atom and become ________.

gain; reduced

Which of the following descriptions best matches the term uterine tube?

has ciliated epithelium

The ________ is the part of the sperm that contains the DNA.

head

The essential functions of the liver include all of the following except

hormonal regulation

Which is not part of the large intestine?

ileum

Which of the following is not found within the seminiferous tubule?

interstitial endocrine cells

The middle segment of the small intestine is the

jejunum

Fatty folds of skin that encircle and partially conceal the labia minora and vestibule are the

labia majora

Identify the structure labeled "7."

labium minus

In oxidative phosphorylation, energy for the synthesis of ATP is directly obtained from the

movement of hydrogen ions through channels in the inner mitochondrial membrane

The enzyme amylase digests

polysaccharides

Straight tubules originate at the seminiferous tubules and form a network of passageways called the

rete testis

In response to the hormone secretin, the pancreas secretes a fluid

rich in bicarbonate ion

The nurse cells of the seminiferous tubules do all of the following except

secrete testosterone

emen contains all of the following except

spermatogonia

All of the following are true of emission and ejaculation, except they

stimulate the release of urine from bladder to clean the urethra

Chemical protein digestion begins in the

stomach

What is the layer labeled "3"?

submucosa

Contraction of the dartos muscle

tightens the scrotum

Identify the structure labeled "5."

urethra

Impaired fat absorption in the intestine would interfere with the absorption of

vitamin A

If the prostate stopped secreting fluid, this would result in semen

with a higher than normal pH

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

4, 1, 3, 2

Put the following layers of the digestive tract wall in order from the lumen to the deepest layer. 1. lamina propria 2. muscularis externa 3. submucosa 4. digestive (mucous) epithelium 5. serosa 6. muscularis mucosae

4,1,6,3,2,5

Place the following structures in order as food passes into them. 1. cecum 2. duodenum 3. ileum 4. jejunum 5. stomach

5, 2, 4, 3, 1

The lipoproteins that carry absorbed lipids from the intestinal tract to the bloodstream are

chylomicrons

Which of the following descriptions best matches the term endometrium?

consists of a functional zone and a basilar zone of epithelium

Contraction of the muscle layer labeled "9" causes the digestive tract to

constrict

The corpus spongiosum of the penis in males is analogous to the ________ in females.

bulb of vestibule

Identify the structure labeled "13."

bulbo-urethral gland

Which is not a reason the stomach is acidic?

Emulsification of lipids

Which of the following does not occur after menopause?

Estrogen levels rise

Which of the following is true regarding digestion and absorption in the stomach?

Protein digestion begins in the stomach

Which of the following is not a digestive enzyme?

bile

The fusion of the common hepatic duct and the cystic duct forms the

bile duct

The duodenal ampulla receives secretions from the

bile duct and pancreatic duct

The segment of the uterine tube where fertilization commonly occurs is the

boundary between the ampulla and isthmus

The gastroileal reflex

moves some chyme to the colon

The esophagus has several variations from the standard plan of the GI tract. These include

muscularis externa has some skeletal muscle

Sperm enter the cervical canal through the external

os

Which of the following is an accessory organ of digestion?

pancreas

The organ inferior to the urinary bladder and contains the urethra in the middle is the ________ gland.

prostate

Identify the stomach region labeled "7."

pyloric part

The region of the stomach that empties into the duodenum is the

pyloric part


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