1) which of the following has the largest mitochondria?
a. slow oxidative fibers
b. fast glycolytic fibers
c. cardiac muscle
d. smooth muscle
e. intermediate fibers
2) which of the following is a disaccharide?
a.galactose
b.lactose
c.glucose
d.fructose
e.amylose
3) a male sustains a crushing injury to his foot. after weeks of care, he begins to notice
that he cannot bend the little toe on his right foot. which of he following would be a
logical diagnosis?
a.atrophy of the flexor hallucis brevis
b.atrophy of the fibularis brevis
c.atrophy of the soleus
d.atrophy of the flexor digiti minimi
e.atrophy of the adductor hallucis
4) a hospital patient produces 4 ml/min of urine with a urea concentration of 8 mg/ml.
venous blood draw reveals urea concentration of 0.4 mg/ml. what is the percentage of
cleared urea from glomerular filtrate?
a. 40%
b. 56%
c. 64%
d. 72%
e. 80%
5) the anterior rami of the spinal nerves form nerve plexuses in all regions except the
_________ region.
a. thoracic
b. cervical
c. lumbar
d. sacral
6) what is the primary site on a neuronfor receiving signals from other neurons?
a. the synaptic knobs
b. the axons
c. the axon collaterals
d. the somas
e. the dendrites
7) the initial effect of a stimulus on a sensory receptor is a local electrical change
specifically called a(an) __________.
a. action potential
b. graded potential
c. local potential
d. sensory potential
e. receptor potential
8) which of the following does not contribute to water conservation?
a. the collecting duct
b. the countercurrent multiplier
c. the countercurrent exchange system
d. diuretics
e. the length of the nephrons
9) sex drive, body temperature, and food and water intake are regulated by which part
of the brain?
a. limbic system
b. thalamus
c. pineal gland
d. hypothalamus
e. pituitary gland
10) some simple columnar and pseudostratified columnar epithelia have _________
cells, which produce aprotective mucous coating over the mucous membranes.
a. fibrous
b. blood
c. basal
d. keratinized
e. goblet
11) which of the following is not a function of csf?
a. to regulate the chemical environment of the nervous tissue
b. to rinse metabolic wastes from the nervous tissue
c. to provide oxygen and nutrients to the nervous tissue
d. to protect the brain from striking the cranium when the head is jolted
e. to allow the brain to attain considerable size without being impaired by its own
weight