This preview shows page 1. Sign up to view the full content.
Unformatted text preview: eedback Student Response
16. Value Feedback 0%
0.5/0.5 neural tube
The _____ is derived from the canal within the primitive neural tube.
ventricles of brain
subdural and subarachnoid spaces
all of the above
E. #1 and #2 only. A.
100% Feedback 0.5/0.5 pyramidal tract fibers
Fibers which cross in the pyramids are concerned with:
A. Motor control on the same side of the body 0%
as their origin.
B. Motor control on the opposite side of the 100%
body from their origin.
C. Motor control for equilibrium and balance. 0%
D. Proprioception and muscle sense.
E. Both answers #3 and #4.
Score: 18. Feedback 0.5/0.5 Ca++ binds to troponin C
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.
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.
Score: 0.5/0.5 Value
0% Feedback 19. smooth muscle
The type of smooth muscle in which an impulse passes through a large number of cells which subsequently contract in synchrony is:
single unit smooth muscle
100% B. multi-unit smooth muscle
C. sphincter muscle 0%
20. Feedback 0.5/0.5 negative feedback
In order for a regulatory process to be self controled it must utilize:
100% B. Positive feedback
C. External control through the nervous
D. Hormones 0%
0% Score: Feedback 0% 0.5/0.5 View Attempt 15 of unlimited
Alternate Substitute Quiz
December 6, 2008 4:56 PM
Submitted: December 6, 2008 5:15 PM
Time spent: 00:18:19
7.3/10 = 73% Total score adjusted by 0.0
1. relative refractory period Maximum possible score: 10 The period during which the trigger region is effectively inhibited but not prevented from generating an action potential is the:
A. absolute refractory period
B. relative refractory period
C. period of depolarization
D. period of hyperpolarization
E. Both answers 1 and 3
F. Both answers 2 and 4
Score: Value Feedback 0%
100% 0.5/0.5 2. intracapsular ligaments
The _____ are intracapsular ligaments which help to prevent anteroposterior displacement and twisting of the knee.
A. medial and lateral collateral ligaments
B. medial and lateral retinacula
C. medial and lateral menisci
D. anterior and posterior cruciate ligaments
Score: 0.5/0.5 Value
100% Feedback 3. syndesmosis
A syndesmosis is actually a small...
View Full Document
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