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1) carbohydrates function as structural components in all of the following except
__________.
a. glycolipids
b. glycoproteins
c. nucleic acids
d. amino acids
e. atp
2) one group of proteolytic enzymes secreted by natural killer (nk) cells is __________.
a. selectins
b. cytokines
c. granzymes
d. perforins
e. interferons
3) a nude body at a room temperature of 21oc (70of) loses most of its heat by which
process?
a. evaporation
b. conduction
c. convection
d. radiation
e. forced convection
4) in the cat, the head is _________ to the tail. in the human, the head is ________ to
the gluteal region (buttock).
a.superior; superior
b.anterior; superior
c.posterior; dorsal
d.ventral; distal
e.anterior; posterior
5) which of the following muscles is responsible for medially rotating the tibia on the
femur when the knee is flexed?
a.piriformis
b.semitendinosus
c.adductor brevis
d.vastus medialis
e.sartorius
6) what function would immediately cease if the ribosomes of a cell were destroyed?
a. exocytosis
b. active transport
c. ciliary action
d. protein synthesis
e. osmosis
7) which of these is not found in the karyotype of a normal human male?
a. 46 chromosomes
b. 23 pairs of homologous chromosomes
c. x and y chromosomes
d. 46 chromatids
e. 92 dna molecules
8) the acromion is an anatomicalfeature of the __________.
a. clavicle
b. scapula
c. ulna
d. scaphoid
e. pollex
9) which structures create the blood brain barrier (bbb)?
a. gap junctions between endothelial cells that form the capillary walls
b. tight junctions between endothelial cells that form the capillary walls
c. gap and tight junctions between astrocytes and endothelial cells that form the
capillary walls
d. desmosomes and tight junctions between astrocytes and ependymal cells that form
the capillary walls
e. gap junctions between ependymal cells and endothelial cells that form the capillary
walls
10) which of the following nerves originates in the lumbosacral plexus?
a. axillary
b. sciatic
c. phrenic
d. ilioinguinal
e. obturator
11) the most likely outcome of nondisjunction is the production of a gamete receiving
__________.
a. no chromosomes
b. 46 chromosomes
c. 44 chromosomes
d. 23 chromosomes
e. 22 chromosomes
12) _________ decompose fatty acids, and detoxify alcohol, free radicals, and drugs.
a. lysosomes
b. microvilli
c. inclusions
d. peroxisomes
e. golgi vesicles
13) during the plateau phase of the sexual response, the glans and clitoris swell as the
deep arteries dilate and the __________ engorge with blood.
a. uterine walls
b. vaginal walls
c. corpora cavernosa
d. corpus spongiosum
e. vestibular glands
14) which of the following best describes the insertion of the extensor digitorum?
a. it indirectly inserts on all digits of the hand.
b. it indirectly inserts on all digits of the hand except the thumb.
c. it directly inserts on all digits of the hand.
d. it directly inserts on all digits of the hand except the thumb.
e. it directly inserts on the index finger only.
15) which of the following structures appears as a large bulge just rostral to the
medulla?
a. pons
b. midbrain
c. cerebellum
d. medulla oblongata
e. hypothalamus
16) a protein that is bound to a carbohydrate is called a _________.
a. phosphoprotein
b. proteocalyx
c. glycoprotein
d. lipoprotein
e. phospholipid
17) during exercise, one generates excess heat and the body temperature rises. as a
response, blood vessels dilate in the skin, warm blood flows closer to the body surface,
and heat is lost. this is an example of__________.
a. negative feedback
b. positive feedback
c. dynamic equilibrium
d. integration control
e. set point adjustment
18) which of the following is not an organic compound?
a. c16h18n3cls
b. na2hpo3(h2o)5
c. ch4
d. c3h7o2n
