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1) what would the complimentary (matching) mrna and trna molecules be from a dna
molecule that has the following triplets?
coding strand: atg-caa
template strand:tac-gtt
a) mrna: aug-caa,trna: tac-gtt
b) mrna: atg-caa,trna: tac-gtt
c) mrna: uac-guu,trna: aug-caa
d) mrna: tac-gtt,trna: aug-caa
e) mrna: aug-caa,trna: uac-guu
2) an extension past the anatomical position is known as
a) double-jointed.
b) extension.
c) flexion.
d) rotation.
e) hyperextension.
3) identify a structure located within the mediastinum.
a) pericardial cavity
b) small intestine
c) lung
d) spleen
e) stomach
4) the c cells of the thyroid gland produce
a) thyroxine.
b) tsh.
c) calcitonin.
d) pth.
e) triiodothyronine.
5) pacemaker cells in the sa node
a) have a well-defined resting potential.
b) can spontaneously depolarize.
c) also contract with the rest of the cells in the heart wall.
d) are special neurons that convey signals from the brain to the heart.
e) all of the answers are correct.
6)
figure 8-2 the humerus
which structure does the radius rotate upon?
a) 1
b) 2
c) 3
d) 4
e) 5
7) recognized neuronal circuit patterns include all of the following, except
a) convergent.
b) divergent.
c) multipolar.
d) reverberating.
e) parallel processing.
8) the cerebellum can be permanently damaged by stroke or temporarily affected by
drugs or alcohol. the resulting disturbance in motor control is known as
a) ataxia.
b) aphasia.
c) dysphagia.
d) parkinson's.
e) epilepsy.
9) the paired erectile bodies in the penis are the
a) membranous urethra.
b) penile urethra.
c) corpus spongiosum.
d) corpora cavernosa.
e) prepuce.
10)
figure 9-1 bones of the wrist and hand
identify the type of joint at label "5"
a) hinge
b) condylar
c) gliding
d) saddle
e) pivot
11) g cells of the stomach secrete
a) cholecystokinin.
b) secretin.
c) gastrin.
d) enteropeptidase.
e) pepsin.
12)
figure 14-2 cranial nerves
identify the nerve labeled "3"
a) facial
b) abducens
c) trochlear
d) trigeminal
e) vagus
13) all of the following are true of a prickling pain sensation, except that they
a) are carried by type a fibers.
b) reach the cns quickly.
c) are fast adapting.
d) receive conscious attention.
e) often trigger somatic reflexes.
14) a skull bone that could be described as looking like a bat with wings extended is the
a) maxilla.
b) crista galli.
c) sphenoid.
d) ethmoid.
e) cribriform.
