1) the flat-shaped cells found covering the skin are _________ in shape.
a. cuboidal
b. columnar
c. cylindrical
d. squamous
e. spherical
2) which of these is most likely to result from contact between contaminated fingers
and the nasal mucosa?
a. apnea
b. adult respiratory distress syndrome
c. acute bronchitis
d. acute rhinitis
e. asthma
3) acidosis has what effect on the resting membrane potential of nerve cells?
a. it causes repolarization.
b. it causes depolarization below threshold.
c. it causes hyperpolarization.
d. it causes depolarization above threshold.
4) raising your hand and placing it on the shoulder of a person standing in front of you,
requires __________ of the shoulder.
a.abduction
b.adduction
c.extension
d.flexion
e.elevation
5) most somesthetic signals in the right side of the body reach the cerebral cortex in the
contralateral primary somesthetic area.
6) which of the following is not part of the pectoral girdle?
a. the glenohumeral joint
b. the acromioclavicular joint
c. the sternoclavicular joint
d. the sacroiliac joint
e. the clavicle and scapula
7) during isovolumetric contraction, the pressure in the ventricles __________.
a. falls rapidly
b. rises rapidly
c. remains constant
d. rises and then falls
e. falls and then rises
8) the rotator cuff tendons enclose the shoulder joint on all sides except
_______________, which partly explains the nature of most shoulder dislocations.
a. anteriorly
b. posteriorly
c. superiorly
d. inferiorly
e. medially
9) congestive heart failure (chf) of the right ventricle __________.
a. can cause pulmonary edema
b. can cause systemic edema
c. increases the ejection fraction of the right ventricle
d. reduces the ejection fraction of the left ventricle
e. increases cardiac output in both ventricles
10) arteriosclerosis is one example of ectopic ossification, which means __________.
a. the solubility product has been reached
b. artery mineralization by osteoblasts
c. abnormal calcification of a tissue
d. accumulation of collagenous fibers in blood vessels
e. ossification of an entire blood vessel
11) in a whiplash injury, the neck undergoes forced hyperextension then hyperflexion,
injuring multiple muscles in the neck. which of the following muscles would be injured
during the hyperextension phase of the injury?
a. trapezius
b. splenius capitis
c. sternocleidomastoid
d. semispinalis capitis
e. levator scapulae
12) local potentials are __________, whereas action potentials are __________.
a. irreversible; reversible
b. self-propagating; local
c. graded; all or none
d. nondecremental; decremental
e. produced by voltage-regulated channels; produced by gated channels
13) water output is largely controlled by varying ___________.
a. metabolic water production
b. sweating
c. cutaneous transpiration
d. drinking
e. urine volume
14) the rectus femoris is an example of what muscle shape?
a. fusiform
b. parallel
c. triangular
d. elongated
e. pennate
15) what is the correct order of cells in the retina from back to front?
a. photoreceptor – bipolar – ganglion
b. ganglion – bipolar – photoreceptor
c. photoreceptor – ganglion – bipolar
d. ganglion – photoreceptor – bipolar
16) most of the skin is __________ mm thick.
a. 0.01 to 0.02
b. 0.1 to 0.2
c. 1 to 2
d. 10 to 20
e. 100 to 200
17) which of the following best describes the composition of the dermis?
a. collagen and living keratinocytes
b. collagen and dead keratinocytes
c. collagen and fibroblasts
d. elastic fibers and melanocytes
e. elastic fibers and dendritic cells
18) which of the following structuresis visible to the naked eye?
a. lingual papilla
b. taste (gustatory) cell
c. taste hair
d. taste bud
e. taste pore