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the somatic is both motor and sensory.
B. The autonomic system has two motor
neurons, the somatic has only one, in each
C. The autonomic system has a ganglion in 0%
each motor pathway from the CNS, the
somatic nervous system does not.
D. All of the above.
#2 and #3 only.
Score: 12. Feedback 0.5/0.5 hyperpolarization
Opening of the chemically-gated K+ channels would produce:
B. hyperpolarization 0%
Both #1 and #3.
Both #2 and #4. Value Feedback 0/0.5 connective sheath
The _____ surrounds a muscle and fuses with a tendon or aponeurosis. A. epimysium Student Response Value
100% B. perimysium
D. retinaculum 0%
14. Feedback 0.5/0.5 diarthrotic joints
All true diarthrotic joints have a joint capsule composed of:
A. serous membrane
B. a ligament
C. a retinaculum Value
0% Feedback Student Response
D. synovial membrane
100% Feedback 0.5/0.5 Uptake of ATP by myosin heads.
Which event is required for detachment of the crossbridges?
A. Calcium ions enter the axon
B. Calcium ions are pumped back into the
C. Acetylcholine is released into the synaptic
cleft by exocytosis.
D. Acetylcholine binds to post-synaptic
receptors on the sarcolemma.
E. Na+ moves across the sarcolemma into
the muscle cell.
F. Breakdown of ACh by AChase.
G. Opening of the voltage-gated sodium
H. Opening of potassium channels.
I. The troponin-tropomyosin complex shifts,
exposing the active sites on actin.
J. Uptake of ATP by the myosin heads.
K. Attachment of actin-myosin crossbridges
and swiveling of the myosin heads.
Score: 16. Value Feedback 0%
0% 0.5/0.5 Calcium homeostasis
The primary hormone for calcium homeostasis is:
B. parathyroid hormone Value
100% C. estrogen
D. growth hormone
E. Vitamin D3 0%
17. Feedback 0.5/0.5 internal capsule
Fibers of the _____ carry stimuli from the motor cortex to the corticospinal tracts.
A. corona radiata
B. internal capsule Value
100% C. corpus callosum
D. fornix 0%
18. Broca's area 0.5/0.5 Feedback Broca's area is located alongside the:
A. Upper portion of the pre-central gyrus.
B. Lower portion of the pre-central gyrus. 0%
100% C. Upper portion of the post-central gyrus.
D. Lower portion of the post-central gyrus. 0%
19. Value Feedback 0.5/0.5 choroid plexus
Cerebrospinal fluid is a filtrate from the capillaries of the:
100% B. falx cerebri
C. superior sagittal sinus
D. septum pellucidum 0%
20. Feedback 0.5/0.5 osteoporosis
Insufficient _____ is associated with osteoporosis.
weight bearing exersize
All of the above
G. Answers 2, 4 and 5 only. Value
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This note was uploaded on 01/29/2013 for the course BIOL 239 taught by Professor Swan during the Fall '12 term at New Mexico.
- Fall '12