BIO222-24/25/28
________ 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