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1) in a ________ muscle, the fascicles are concentrically arranged around an opening.
a) convergent
b) parallel
c) straight
d) pennate
e) circular
2) lymphocytes
a) are actively phagocytic.
b) destroy red blood cells.
c) respond to antigens.
d) are primarily found in red bone marrow.
e) decrease in number during infection.
3)
figure 13-2 spinal nerves
identify the structure labeled "8"
a) peripheral nerve
b) dorsal ramus
c) spinal nerve
d) ventral root
e) dorsal root
4) if the volume of the lungs increases, what happens to the air pressure inside the
lungs?
a) decreases
b) increases and possibly damages the lungs
c) increases twice the amount of the increase in volume
d) remains constant
e) increases
5)
figure 15-2 the corticospinal pathway
identify the structure labeled "1" in this neural pathway.
a) primary sensory cortex
b) primary motor cortex
c) thalamus
d) autonomic motor center
e) basal nuclei
6) merocrine sweat glands
a) are compound alveolar glands.
b) produce organic secretions that are metabolized by bacteria to produce body odor.
c) secrete a watery fluid directly onto the surface of the skin.
d) increase in number and activity with aging.
e) primarily function in lubricating the hairs.
7) increasing the alveolar ventilation rate will
a) decrease the partial pressure of carbon dioxide in the alveoli.
b) decrease the rate of oxygen diffusion from the alveoli to the blood.
c) increase the partial pressure of carbon dioxide in the alveoli.
d) decrease the rate of carbon dioxide diffusion from the blood to the alveoli.
e) hardly affect either the partial pressure or diffusion of gases.
8) preganglionic fibers that innervate the collateral ganglia form the
a) suprarenal medulla.
b) celiac ganglia.
c) sympathetic chain ganglia.
d) inferior mesenteric ganglia.
e) splanchnic nerves.
9) each of the following will cause an increase in blood pressure, except
a) increased levels of aldosterone.
b) increased levels of angiotensin ii.
c) increased blood volume.
d) increased levels of anp (atrial natriuretic peptide).
e) increased levels of adh (antidiuretic hormone).
10) the function of the citric acid cycle is to
a) remove hydrogen atoms from organic molecules and transfer them to coenzymes.
b) transfer the acetyl group.
c) hydrolyze glucose.
d) produce carbon dioxide.
e) produce water.
11) which kind of vessel is also called a resistance vessel?
a) artery
b) arteriole
c) capillary
d) venule
e) vein
12)
figure 20-2 cardiac cycle
what occurs at the circled label "7" on the graph?
a) isovolumetric ventricular relaxation
b) sympathetic stimulation
c) isovolumetric ventricular contraction
d) ventricular ejection
e) ventricular filling
13)
figure 12-1 the neuron
identify the structure labeled "4"
a) synaptic terminals
b) telodendria
c) dendritic spines
d) collateral branches
e) axons
14) the opening in the iris through which light passes is the
a) conjunctiva.
b) cornea.
c) pupil.
d) anterior chamber.
e) posterior chamber.
15) elements that have atoms with full outer shells of electrons
a) will form many compounds.
b) will normally form anions.
c) will normally form cations.
d) frequently form hydrogen bonds.
e) are inert gases.
16) a muscle whose name ends in the suffix -glossus would be found within or attached
to the
a) chin.
b) cheek.
c) jaw.
d) tongue.
e) lips.
17) ridges that anchor muscles that stabilize the head are the
a) anterior and posterior nuchal lines.
b) anterior and superior nuchal lines.
c) inferior and superior nuchal lines.
d) medial and lateral nuchal lines.
e) cranial and caudal nuchal lines.
18) what is the first part of the cell that is affected when the ph of extracellular fluid
changes?
a) nucleus
b) nucleolus
c) the cytosol
d) plasmalemma
e) cytoskeleton
19) a layer of glycoproteins that prevents leakage of materials from connective tissues
into epithelia is the
a) integral proteins.
b) lamina lucida.
c) matrix.
d) lamina densa.
e) ground substance.
20) the posterior pituitary gland secretes
a) fsh.
b) tsh.
c) acth.
d) adh.
e) msh.
21) the movement of a body part upward is called ________.
22) ketosis develops in the postabsorptive state. what is ketosis? why does it develop?
what metabolic effects does it have?
23) a(n) ________ is a depolarization of a sensory dendrite that can lead to an afferent
nerve impulse if strong enough.
24) the most complicated spinal reflexes are called ________.
25) the thyroid gland is composed of many ________ that produce and store thyroid
hormone.
26) the two lobes of the thyroid gland are connected by the ________.
27) ________ is responsible for the rbc's ability to transport oxygen and co2. (note: be
sure to capitalize the first letter of your answer).
