Biology 705 Midterm 1

subject Type Homework Help
subject Pages 8
subject Words 940
subject Authors Edwin F. Bartholomew, Frederic H. Martini, Judi L. Nath

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1) interstitial cells produce
a) sperm.
b) inhibin.
c) nutrients.
d) androgens.
e) androgen-binding protein.
2)
figure 10-2 muscle contractions
what is the contraction in graph (a) called?
a) complete tetanus
b) incomplete tetanus
c) twitch
d) wave summation
e) treppe
3) which of these is true about the muscle named levator palpebrae superioris?
a) lifts the scapula
b) elevates the eyebrow
c) raises the upper eyelid
d) originates at the back of the orbit
e) originates at the back of the orbit and raises the upper eyelid
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4) a male bodybuilder starts taking injections of testosterone (an anabolic steroid) on a
daily basis. after 3 weeks, which of the following would you expect to observe?
a) increased sex drive
b) decreased levels of gnrh
c) decreased levels of lh and fsh
d) increased muscle mass
e) all of the answers are correct.
5) abnormally slow depolarization of the ventricles would most change the shape of the
________ in an ecg tracing.
a) p wave
b) t wave
c) qrs complex
d) p-r interval
e) r-t interval
6) typical renal blood flow is about ________ ml/min under resting conditions.
a) 500
b) 800
c) 1200
d) 1800
e) 2500
7) where in the embryo does mesoderm first appear?
a) between the cell layers of the inner cell mass
b) in the blastocoele
c) in the chorionic villi
d) above the epiblast
e) around the trophoblast
8) the smallest living unit within the human body is
a) a protein.
b) the cell.
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c) a tissue.
d) an organ.
e) an organ system.
9) the oral mucosa has ________ epithelium.
a) simple squamous
b) stratified squamous
c) pseudostratified
d) stratified columnar
e) transitional
10) during a primary immune response, the
a) igm titer is initially higher than the igg titer.
b) igg titer is initially higher than the igm titer.
c) igm titer and the igg titer rise in parallel.
11)
figure 29-2 fetus at 10 weeks
identify the structure labeled "7"
a) amnion
b) chorion
c) decidua basalis
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d) placenta
e) endometrium
12) approximately ________ liters of glomerular filtrate enter glomerular capsules each
day.
a) 480
b) 180
c) 125
d) 18
e) 1.8
13) each skeletal muscle fiber contains ________ myofibrils.
a) 50 to 100
b) 100 to 150
c) 150 to 200
d) 200 to 500
e) hundreds to thousands
14) in the peripheral nervous system, schwann cells participate in the repair of damaged
nerves by
a) producing new axons.
b) regenerating cell bodies for the neurons.
c) forming a cellular cord that directs axonal regrowth.
d) clearing away cellular debris.
e) producing more satellite cells that fuse to form new axons.
15) match the term with the correct definition.
1. synarthrosis a) slightly movable joint
2. amphiarthrosis b) immovable joint
3. diarthrosis c) freely moving joint
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16) a synovial joint is an example of a(n)
a) synarthrosis.
b) amphiarthrosis.
c) diarthrosis.
d) symphysis.
e) syndesmosis.
17) the ________ of the uterine tube is between the uterus the ampulla.
18) the first heart sound is heard when the
a) av valves open.
b) av valves close.
c) semilunar valves close.
d) atria contract.
e) blood enters the aorta.
19) epithelium is connected to underlying connective tissue by
a) keratin
b) interfacial canals
c) a basal lamina
d) a reticular lamina
e) proteoglycan
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20)
figure 6-2 endochondral ossification
where does growth in length occur?
a) 1
b) 2
c) 3
d) 4
e) 5
21) compare the three types of muscle tissue. list three similarities and three differences
among them.
22) the process by which soluble antigens combine with antibodies to form insoluble
immune complexes is called ________.
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23) ________ occurs when antibodies and compliment proteins bind to antigens and
make it easier for phagocytes to engulf their target cells. (note: be sure to capitalize the
first letter of your answer).
24) the mesencephalon contains the headquarters of the ________, a specialized
component of the reticular formation that controls alertness and attention.
25) the cytoplasm contains the fluid cytosol and the suspended ________.
26) the abnormality that develops when a lens loses its transparency is known as a
________.
27) anatomy uses a special language, called ________, that involves the use of word
roots, prefixes, suffixes, and combining forms to construct terms related to the body in
health and disease.
28) ovaries or testes receive a blood supply from the ________.
29) arteries that supply the plantar portion of the foot branch from the posterior
________ artery.
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30) the cessation of menstruation after no more developing follicles remain is called
________.

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