1) the placenta is a source of which of these hormones?
a) hcg
b) relaxin
c) placental lactogen
d) progesterone
e) all of the answers are correct.
2) ________ are blade-shaped teeth that function in cutting or clipping.
a) canines
b) bicuspids
c) cuspids
d) incisors
e) molars
3) functions of astrocytes include all of the following, except
a) maintaining the blood-brain barrier.
b) conducting action potentials.
c) guiding neuron development.
d) responding to neural tissue damage.
e) forming a three-dimensional framework for the cns.
4) the largest sinus is within which bone?
a) nasal
b) sphenoid
c) ethmoid
d) frontal
e) maxilla
5)
figure 15-2 the corticospinal pathway
identify the origin of the axon labeled “2”
a) lower motor neuron
b) upper motor neuron
c) decussation neuron
d) second-order neuron
e) ganglionic neuron
6) which sensation(s) does the vestibulocochlear nerve carry?
a) hearing
b) equilibrium
c) atmospheric pressure
d) hearing and equilibrium
e) hearing, equilibrium, and taste
7)
figure 11-2 major posterior skeletal muscles
identify the muscle labeled “3”
a) rhomboid major
b) supraspinatus
c) infraspinatus
d) deltoid
e) teres minor
8) glial cells that surround the neurons in ganglia are
a) astrocytes.
b) satellite cells.
c) oligodendrocytes.
d) microglia.
e) ependymal cells.
9) angiotensin i is converted to angiotensin ii by converting enzymes in the
a) kidneys.
b) liver.
c) heart.
d) lungs.
e) blood.
10) a hole through a bone is termed a
a) ramus.
b) foramen.
c) linea.
d) tubercle.
e) facet.
11) individuals who are engaged in repetitive hand movements such as typing or
playing the piano may suffer wrist pain, especially during palmar flexion. all of the
following are true concerning this condition, except that it
a) is called carpal tunnel syndrome.
b) results from inflammation of the synovial tendon sheaths.
c) never causes muscle weakness.
d) results from inflammation of the carpal retinacula.
e) irritates the median nerve.
12) the main force that causes filtration in a nephron is
a) blood colloid osmotic pressure.
b) glomerular hydrostatic pressure.
c) osmotic pressure of the urine.
d) capsular hydrostatic pressure.
e) reabsorption in proximal convoluted tubule pulls filtrate from blood.
13)
figure 23-1 the upper airways
what is the function of the structure labeled “8”?
a) forces air into the lungs
b) causes air to swirl within the respiratory passageway
c) prevents food from entering the larynx
d) acts like a supplementary air pump
e) prevents food from entering the pharynx
14) in normal adult bones,
a) there is no turnover of minerals.
b) a portion of the protein and mineral content is replaced each year.
c) osteoblast activity exceeds osteoclast activity, once bone has been formed.
d) osteoclasts continue to be active long after osteoblast activity ceases.
e) exercise will have no effect on bone remodeling.
15) muscles that insert on the olecranon process of the ulna can act to
a) flex the forearm.
b) extend the forearm.
c) abduct the forearm.
d) adduct the forearm.
e) extend the carpals.
16) list and briefly describe the body’s five metabolic components.
17) the skin appearance that results from dark-red hemoglobin is called ________.
18) an exaggerated lumbar curvature of the spine is known as ________.
19) which organelles are involved in membrane flow? trace the route of a single integral
membrane protein from formation to incorporation into the plasma membrane.
20) the drug colestipol binds bile salts in the intestine, forming complexes that cannot
be absorbed. how would this drug affect cholesterol levels in blood?