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1) the pyramids on the ventral surface of the medulla oblongata are formed by fibers of
the ________ tracts.
a) corticospinal
b) corticobulbar
c) reticulospinal
d) vestibulospinal
e) tectospinal
2) most sympathetic effector junctions release norepinephrine but a significant number
release acetylcholine instead. which of these is an example of an organ of the
cholinergic type?
a) the heart
b) a blood vessel in the skin
c) a sweat gland
d) the liver
e) the salivary glands
3) which of the following movements is a good example of supination?
a) opening the mouth
b) turning the hand palm upward
c) extreme bending of the head backwards
d) moving the hand toward the shoulder
e) spreading the fingers
4) molecular motors that carry materials in opposite directions along microtubules are
called
a) kinesin and myosin.
b) actin and myosin.
c) dynein and myosin.
d) dynein and actin.
e) dynein and kinesin.
5) the functional units of dna that contain the instructions for making one or more
proteins are
a) chromosomes.
b) genes.
c) ribosomes.
d) codons.
e) rna.
6) the cells that perform immunological surveillance are the ________ cells.
a) nk
b) plasma
c) b
d) helper t
e) suppressor t
7) while walking barefoot on the beach, joe stepped on a thorn that penetrated through
the sole of his foot to the dermis. how many layers of epidermis did the thorn penetrate?
a) 1
b) 2
c) 3
d) 4
e) 5
8) lipids
a) form essential structural components of cells.
b) provide a significant energy reserve.
c) help to maintain body temperature.
d) cushion organs against shocks.
e) all of the answers are correct.
9) the celiac, superior mesenteric and inferior mesenteric ganglia are collectively called
________ ganglia.
a) chain
b) collateral
c) intramural
d) paravertebral
e) terminal
10) which organ secretes most of the plasma proteins?
a) pancreas
b) heart
c) kidney
d) brain
e) liver
11) the sternum contains
a) the manubrium.
b) the jugular notch.
c) the body.
d) the xiphoid process.
e) all of the answers are correct.
12)
figure 26-1 the structure of the kidney
identify the structure labeled "11"
a) renal pelvis
b) minor calyx
c) ureter
d) major calyx
e) renal column
13) at the splenic flexure, the colon becomes the
a) ascending colon.
b) transverse colon.
c) descending colon.
d) sigmoid colon.
e) rectum.
14) the ________ extends from the sixth cervical vertebra to the fifth thoracic vertebra.
15) postganglionic sympathetic axons can release the neurotransmitter ________ at
their effector junctions.
a) acetylcholine
b) nitric oxide
c) norepinephrine
d) ach
e) all of the answers are correct.
16) the period from 1 month to 2 years is known as ________.
17) sally's driver's license indicates that she must wear glasses when she drives. she
does not need glasses to see objects that are close. what type of lenses are in sally's
eyeglasses? how do they work?
18) eighty percent of nephrons in the human kidney are located in the ________ and
have short nephron loops.
19) in the condition known as ________, premature closure of all of the cranial sutures
results in restricted brain growth and an undersized head.
20) will hyperventilation raise or lower ph?
21) the inherited metabolic disorder that results from the accumulation of
phenylketones from phenylalanine is ________.
22) painful menstruation is called ________.
23) people unable to distinguish certain colors have a form of ________.
24) erythropoiesis is stimulated by a kidney-derived hormone called ________.
