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1) vertebrae of which regions are fused in the adult?
a) lumbar region
b) sacral region
c) coccygeal region
d) thoracic
e) sacral and coccygeal regions
2) which of the following cytoskeleton components moves the chromosomes during cell
division?
a) microfilaments
b) intermediate filaments
c) thick filaments
d) microtubules
e) basal bodies
3) ________ account for roughly half of the volume of the nervous system.
a) axons
b) dendrites
c) neuroglia
d) synapses
e) efferent fibers
4)
figure 8-3 the femur
identify the structure labeled "12"
a) greater trochanter
b) linea aspera
c) head
d) lateral epicondyle
e) lateral condyle
5) the pituitary hormone that stimulates milk production by the mammary glands is
a) tsh.
b) acth.
c) growth hormone.
d) fsh.
e) prolactin.
6) the major steps in oxidative phosphorylation include all of the following, except
a) removal of hydrogen atoms from a substrate molecule by coenzymes.
b) ionization of hydrogen atoms.
c) increasing the energy level of electrons passing through the electron transport chain.
d) the breaking of carbon-carbon covalent bonds.
e) the acceptance of electrons by oxygen atoms.
7) contraction of the muscle that is attached to the radial tuberosity results in
a) flexion of the forearm.
b) extension of the forearm.
c) abduction of the forearm.
d) adduction of the forearm.
e) rotation of the shoulder.
8) a sty ________
a) is often caused by bacteria.
b) is a painful swelling in an eyelash.
c) may involve a sebaceous gland.
d) may involve a tarsal gland.
e) all of the answers are correct.
9) the rough surface feature present along the lateral border of the shaft of the humerus
is the
a) radial groove.
b) medial epicondyle.
c) lateral epicondyle.
d) deltoid tuberosity.
e) coronoid process.
10) neurons in which dendritic and axonal processes are continuous and the soma lies
off to one side are called
a) anaxonic.
b) unipolar.
c) bipolar.
d) tripolar.
e) multipolar.
11) which of the following is not a function of cerebrospinal fluid?
a) provides cushioning for delicate neural tissues
b) provides buoyant support for the brain
c) acts as a transport medium for nutrients
d) provides atp for impulse transmission
e) acts as a transport medium for waste products
12) which of the following is a function of the hypothalamus?
a) produces adh
b) controls autonomic centers
c) regulates body temperature
d) secretes oxytocin
e) all of the answers are correct.
13) the cells of the macula densa and the juxtaglomerular cells form the
a) renal corpuscle.
b) filtration membrane.
c) nephron loop (loop of henle).
d) juxtaglomerular complex.
e) afferent arteriole.
14) endocytosis is
a) a method for transporting substances into the cell.
b) a method for metabolizing within the cytosol.
c) a form of anabolism.
d) a viral infection.
e) a method for packaging secretions.
15) blood colloid osmotic pressure is produced by:
a) large non-diffusible proteins in the blood plasma
b) a greater salt concentration in blood cells
c) the force of blood pushing against the vessel wall
d) osmosis of water
e) hypertonic solutions separated by a cell membrane
16) which of the following kinds of information do fine-touch and light-pressure
mechanoreceptors provide?
a) location of the stimulus
b) shape of the stimulus
c) texture of the stimulus
d) movement of the stimulus
e) all of the answers are correct.
17) which of the following is not a part of the pelvis?
a) sacrum
b) coccyx
c) coxal bone
d) lumbar vertebrae
e) pubic symphysis
18) the ________ nervous system is composed of the brain and spinal cord.
a) autonomic
b) peripheral
c) central
d) efferent
e) afferent
