1) haustra are
a) expansible pouches of the colon.
b) strips of muscle in the colon.
c) glands in the large intestine that secrete mucus.
d) the source of colon hormones.
e) compact feces stored in the rectum.
2) the layer of the skin that provides a barrier against bacteria as well as chemical and
mechanical injuries is the
a) dermis.
b) subcutaneous layer.
c) epidermis.
d) stratum corneum.
e) sebum layer.
3) a patient excretes a large volume of very dilute urine on a continuing basis. this is
may be due to
a) excessive adh secretion.
b) absence of adh.
c) hematuric oliguria.
d) overproduction of aldosterone.
e) dilation of the afferent arterioles.
4) a structure that is located at the medial canthus and contains glands that contribute to
a gritty deposit is the
a) palpebra.
b) lacrimal caruncle.
c) chalazion.
d) meibomian gland.
e) conjunctiva.
5) when blood glucose levels rise,
a) insulin is released.
b) glucagon is released.
c) peripheral cells take up less glucose.
d) protein synthesis decreases.
e) peripheral cells break down glycogen.
6) the role(s) of the sinuses include(s):
a) making the skull lighter
b) production of mucus that moistens and cleans the air
c) release of stress hormones
d) extra source of air
e) making the skull lighter and production of mucus that moistens and cleans the air
7) which of the following statements concerning red blood cells is false?
a) red cells are biconcave discs.
b) red cells lack mitochondria.
c) red cells are about 18 m in diameter.
d) red cells are specialized for carrying oxygen.
e) red cells can form stacks called rouleaux.
8)
figure 26-2 the nephron
which area is sensitive to aldosterone?
a) 2
b) 1
c) 4
d) 3
e) 5
9)
figure 25-1 the citric acid cycle
what is the molecule labeled “1”?
a) phosphoglyceric acid
b) citric acid
c) pyruvate acid
d) nadh
e) fadh2
10) which of the following is (are) a type of sexually transmitted disease?
a) chlamydia
b) gonorrhea
c) genital herpes
d) aids
e) all of the answers are correct.
11) which of the following tissues are classified as “connective tissue proper”?
1. areolar connective tissue
2. adipose tissue
3. fibrocartilage
4. dense irregular connective tissue
a) 3 and 4
b) 1, 2, and 3
c) 1 and 2
d) 1, 2, and 4
e) 1 and 3
12) the most complex endocrine responses involve the
a) thyroid gland.
b) pancreas.
c) suprarenal glands.
d) hypothalamus.
e) thymus gland.
13) the human immunodeficiency virus (hiv) that causes the disease known as aids
selectively infects ________ cells.
a) b
b) plasma
c) cytotoxic t
d) helper t
e) suppressor t
14) which of the following describes the action of the digastric muscle?
a) elevates the larynx
b) elevates the larynx and depresses the mandible
c) depresses the larynx
d) depresses and retracts the tongue
e) elevates the mandible
15) the natural age-related loss of bone mass is called ________.
16) a cut parallel to the midsagittal plane would produce a(n) ________ section.
17) what are the four types of sensory receptors for the general senses? what is the
nature of the stimuli that excite each type?
18) muscular ridges on the inner surface of the ventricles are called ________.
19) the fracture of vertebrae subjected to extreme vertical stress is called a(n) ________
fracture.
20) the funnel-like opening at the distal end of the uterine tube is called the ________.
21) the ________ period extends from birth to 1 month.