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1) about 70% of carbon dioxide is transported in deoxygenated blood
a) as dissolved co2 in the blood plasma.
b) as bicarbonate ions bound to hemoglobin in red blood cells.
c) combined with hemoglobin as carbaminohemoglobin.
d) as bicarbonate ions in the blood plasma.
e) as carbonic acid in the red blood cells.
2) the cardioacceleratory center activates sympathetic neurons and the cardioinhibitory
center controls parasympathetic neurons.
a) the first part of the statement is true but the second part is false.
b) the first part of the statement is false but the second part is true.
c) both parts of the statement are true.
d) both parts of the statement are false.
e) both parts of the statement are true and relate to brainstem control of heart rate.
3)
figure 8-2 the humerus
identify the place where the humerus often fractures.
a) 1
b) 2
c) 5
d) 6
e) 7
4) lymphatic tissue is found in the greatest quantity in
a) the adult spleen.
b) the adult thymus.
c) bone marrow.
d) the tonsils.
e) peyer patches.
5) follicle cells in the ovary secrete ________ when stimulated by fsh.
a) estrogen
b) progesterone
c) testosterone
d) inhibin
e) gonadotropins
6) the fusion of the brachiocephalic veins forms the
a) inferior vena cava.
b) superior vena cava.
c) innominate vein.
d) subclavian vein.
e) azygos vein.
7) which of the following is essential for memory consolidation?
a) occipital lobe
b) basal nuclei
c) hippocampus
d) insula
e) prefrontal lobe
8) which of the following is not a pennate muscle?
a) rectus femoris
b) extensor digitorum longus
c) deltoid
d) pectoralis
e) all of the answers are correct.
9) a small, wormlike structure attached to the posteromedial surface of the cecum is the
a) haustra.
b) pancreas.
c) gallbladder.
d) appendix.
e) ileum.
10) the phase in the cardiac cycle when the mitral valve is closed and the aortic valve is
open is the
a) atrial systole.
b) early diastolic filling phase.
c) late diastolic filling phase.
d) systolic ejection phase.
e) dicrotic phase.
11) nerve tracts or fasciculi make up the
a) central canal.
b) posterior gray horns.
c) gray commissures.
d) white columns.
e) anterior gray horns.
12) the blood colloid osmotic pressure mostly depends on the
a) concentration of plasma sodium ions.
b) concentration of plasma glucose.
c) concentration of plasma waste products.
d) concentration of plasma proteins.
e) number of red blood cells.
13) the essential fatty acids are
a) linoleic acid and linolenic acid.
b) leucine and lysine.
c) cholesterol and glycerol.
d) hdls and ldls.
e) glycerol and pyruvic acid.
14) synthesis of lipids and glycogen takes place at the
a) ribosomes.
b) rough er.
c) smooth er.
d) golgi apparatus.
e) mitochondria.
15) the rapid rise and fall in force produced by a muscle fiber after a single action
potential is
a) a tetanus.
b) an unfused tetanus.
c) a twitch.
d) an end plate potential.
e) a muscle action potential.
16) spinal nerves from the sacral region of the cord innervate the ________ muscles.
a) shoulder
b) intercostal
c) abdominal
d) leg
e) facial
17) in ________ one substance is transported into the cell, and another is transported
out.
18) trace the pathway of a nerve impulse from the eye to the cortex.
19) if a patient's resting cardiac output is 5.6 l/min and on a stress test she elevated her
heart rate to a maximum of 176 beats/min with a stroke volume of 115 ml/beat, what is
her cardiac reserve? show your work.
20) the ________ separates the dura mater from the walls of the vertebral canal.
21) epithelia and connective tissues combine to form ________ that cover and protect
other structures and tissues in the body.
22) ________ regulation occurs when the activities of organs are regulated locally. (be
sure to capitalize the first letter of your answer).
23) ________ is a fluid similar to cerebrospinal fluid that fills the space between the
bony labyrinth and the membranous labyrinth. (note: be sure to capitalize the first letter
of your answer).
