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Unformatted text preview: al epicondyle F lateral collateral ligament B annular ligament H radial tubercle J bursa G tendon of the triceps brachii D olecranon process A trochlea I synovial membrane of joint capsule C Statement
tendon of the biceps brachii
lateral collateral ligament
tendon of the triceps brachii
synovial membrane of joint capsule
C Response Value
0.0% 0.0% 0.05/0.5 10.
Impulse reaches the axon terminus What is the first thing that happens when an impulse reaches the axon terminus of a neuromuscular junction? Student Response
Calcium ions enter the axon
B. Calcium ions enter the sarcoplasm from the
C. Acetylcholine is released into the synaptic cleft
D. Acetylcholine binds to post-synaptic receptors
on the sarcolemma.
E. Na+ moves across the sarcolemma into the
F. Opening of the chemically-gated sodium
G. Opening of the voltage-gated sodium channels.
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.
100% Feedback 0%
0% 0.5/0.5 11.
pyramidal tract fibers Fibers which cross in the pyramids are concerned with:
A. Motor control on the same side of the body as
B. Motor control on the opposite side of the body
from their origin.
C. Motor control for equilibrium and balance.
D. Proprioception and muscle sense.
E. Both answers #3 and #4.
Score: Value Feedback 0%
0% 0/0.5 12.
eccrine sweat glands Sympathetic stimulation of the eccrine sweat glands is through _____ fibers.
A. cholinergic, nicotinic
B. cholinergic, muscarinic Value
100% C. adrenergic, alpha
D. adrenergic, beta 0%
0% Score: 0.5/0.5 Feedback 13.
hyperpolarization Opening of the chemically-gated K+ channels would produce:
Both #1 and #3.
F. Both #2 and #4. Score: Value Feedback 0%
100% 0.5/0.5 14.
first cell in bone remodeling The cell which initiates the process of remodeling in adult bone: A. osteoclast
B. osteoblast Student Response Value
0% C. osteocyte
D. mesenchyme cell 0%
0% Score: Feedback 0/0.5 15.
Ca<sup>+2</sup> release Ca+2 is released into the sarcoplasm when an action potential stimulates the:
C. sarcoplasmic reticulum Value
100% D. myosin heads 0% Score: 17. 0.5/0.5 Feedback 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: Value Feedback 0%
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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