1) the genetically programmed death of cells is called
a) differentiation.
b) replication.
c) apoptosis.
d) metastasis.
e) mitosis.
2) the deposition of calcium salts in bone tissues is referred to as
a) hardening.
b) ossification.
c) calcification.
d) osteogenesis.
e) remodeling.
3) the most numerous wbcs in a differential count of a healthy individual are
a) neutrophils.
b) basophils.
c) lymphocytes.
d) monocytes.
e) leukocytes.
4) each skeletal muscle fiber is controlled by a motor neuron at a single
a) synaptic knob.
b) sarcomere.
c) neuromuscular junction.
d) synaptic cleft.
e) transverse tubule.
5) alveolar ventilation refers to the
a) movement of air into and out of the lungs.
b) movement of air into and out of the alveoli.
c) movement of dissolved gases from the alveoli to the blood.
d) movement of dissolved gases from the blood to the alveoli.
e) utilization of oxygen by alveolar cells to support metabolism.
6) in stratified epithelia adapted to resist mechanical forces, which of the following
types of cell-to-cell junctions are especially abundant?
a) tight junctions
b) basolateral junctions
c) gap junctions
d) hemidesmosomes
e) desmosomes
7) specialized ________ cells form the secretory component of the choroid plexus.
a) epididymal
b) ependymal
c) appended
d) astrocytes
e) blood
8) damage to ependymal cells would most likely affect the
a) formation of myelin sheaths.
b) formation of cerebrospinal fluid.
c) formation of ganglia.
d) repair of axons.
e) transport of neurotransmitters within axons.
9) damage to the type ii pneumocytes of the lungs would result in
a) a loss of surfactant.
b) an increased rate of gas exchange.
c) decreased surface tension in the alveoli.
d) expansion of alveoli.
e) all of the answers are correct.
10) to pinch with a thumb and finger involves a movement called
a) rotation.
b) opposition.
c) circumduction.
d) eversion.
e) retraction.
11)
figure 12-2 the nerve action potential
what is occurring in the area between #2 and #3?
a) an excitatory graded potential is occurring.
b) potassium ions are entering the axon and causing depolarization.
c) chemically-gated sodium channels are open and sodium is diffusing into the axon.
d) sodium ions are entering the axon and causing depolarization.
e) repolarization of the axon due to sodium ions leaving the axon is occurring.
12) the right pulmonary veins carry ________ blood to the ________ .
a) deoxygenated; left atrium
b) oxygenated; right lung
c) deoxygenated; superior vena cava
d) deoxygenated; right atrium
e) oxygenated; left atrium
13)
figure 8-3 the femur
identify the structure labeled “2”
a) greater trochanter
b) linea aspera
c) head
d) lateral epicondyle
e) lateral condyle
14) specific proteins are manufactured through the interaction of ________ and
________.
a) multiple enzymes; three types of rna
b) multiple enzymes; two types of rna
c) multiple carbohydrates; three types of dna
d) multiple proteins; three types of dna
e) multiple enzymes; three types of dna
15) the vibrations received by the tympanic membrane are transferred to the oval
window by the
a) auditory ossicles.
b) cochlea.
c) oval window.
d) tensor tympani.
e) stapedius muscle.
16)
figure 14-1 the circulation of cerebrospinal fluid
identify the structure labeled “3”
a) arbor vitae
b) corpora quadrigemina
c) aqueduct of midbrain
d) pons
e) diencephalon
17) use of the accessory respiratory muscles is characteristic of forced breathing or
________ .
18) the hormone that stimulates ovulation is ________.
19) a hypothetical genetic disease causes the body to produce antibodies that compete
with acetylcholine for receptors on the motor end plate. patients with this disease
exhibit varying degrees of muscle weakness and flaccid paralysis in the affected
muscles. if you could administer a drug that inhibits acetylcholinesterase or a drug that
blocks acetylcholine, which one would you use to alleviate these symptoms?
20) an inflammation of the vaginal canal caused by fungi, bacteria, or parasites is called
________.
21) after the precapillary arteriole, blood enters a ________.
22) todd is 13 and lives in an urban apartment. he spends most of his time watching tv
and eating “junk” food. one afternoon, during recess, he falls on the playground and
breaks his leg. although he appears to be healthy, his leg takes longer to heal than
expected. what might be the cause of the longer healing time?
23) why is the suprarenal medulla considered to be a modified sympathetic ganglion?
24) vitamin d3 is important for proper ________ development.