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Unformatted text preview: ore: Feedback 0.5/0.5 View Attempt 13 of unlimited
Time spent: Alternate Substitute Quiz
December 6, 2008 4:45 PM
December 6, 2008 4:50 PM
00:05:15 Total score: 7/10 = 70% Total score adjusted by 0.0
Ca++ binds to troponin C 1. Maximum possible score: 10 As soon as Ca++ ions are released into the sarcoplasm:
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. Value
0% Feedback Student Response
E. Na+ moves across the sarcolemma into
the muscle cell.
F. Opening of the chemically-gated sodium
G. Opening of the voltage-gated sodium
H. Opening of potassium channels.
I. Binding of calcium ions to Troponin C.
J. Uptake of ATP by the myosin heads.
K. Attachment of actin-myosin crossbridges
and swiveling of the myosin heads.
2. Value Feedback 0%
0% 0.5/0.5 anterior fontanel
The large anterior fontanel hardens at:
1.5 to 2 years after birth
100% B. late teens
C. early twenties
D. birth 0%
3. Feedback 0.5/0.5 pre-central gyrus
The upper motor neurons originate in the:
A. pre-motor cortex
B. basal nuclei
C. pre-central gyrus Value
100% D. post-central gyrus
E. pre-frontal lobes 0%
4. Feedback 0.5/0.5 voltage-gated ion channels
Threshold depolarization will result in an action potential when it occurs at:
A. chemically-gated ion channels only
B. voltage-gated ion channels only Value
100% C. Both chemically-gated and voltage-gated 0%
D. The receptive region.
5. 0.5/0.5 facilitation
Prior sub-threshold depolarization of a reflex pathway produces: Feedback Student Response
100% Feedback 0%
0% 0.5/0.5 parenchymal repair
When a tissue experiences parenchymal repair the new tissue _____ produce the tissue's orignal function. A. does Student Response Value
100% B. does not 0% Score:
7. Feedback 0.5/0.5 pons
The brain center which mediates functions which are part voluntary and part involuntary is:
E. pons Value
100% Feedback Student Response
A. Upper portion of the pre-central gyrus.
B. Lower portion of the pre-central gyrus. Value
100% Feedback C. Upper portion of the post-central gyrus.
D. Lower portion of the post-central gyrus. 0%
8. 0.5/0.5 Broca's area
Broca's area is located alongside the: Score:
9. 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%
0% Score: 0.5/0.5 Feedback 10. striations
The types of muscle which exhibit striations are:
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