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Unformatted text preview: . increasing Student Response Value
100% B. decreasing 0% Score: Feedback 0.5/0.5 16.
spatial summation If several inputs to a reflex pathway each produce simultaneous sub-threshold depolarizations, it could result in _____ at the receptive region of the
A. temporal summation
B. spatial summation Value
100% C. action potential
D. All of the above.
E. #1 and #3 only. 0%
0% Score: 17.
periosteum 0.5/0.5 Feedback Once completely hardened, osteoprogenitor cells must come from the _____ for bone repair.
A. Sharpey's fibers
B. red marrow
C. yellow marrow
100% Feedback Value Feedback 0.5/0.5 18.
calcium absorption Increased calcium absorption is produced by:
B. parathyroid hormone 0%
0% C. estrogen
D. growth hormone
E. Vitamin D3 0%
100% Score: 0/0.5 19.
hypothalamus The brain center which controls much of the endocrine and sympathetic systems is the: A. thalamus
B. hypothalamus Student Response Value
100% C. substantia nigra
D. basal nuclei
E. pons 0%
0% Score: 0.5/0.5 20.
osteoclastic activity osteoclasts are stimulated by: Feedback Student Response
B. parathyroid hormone
D. growth hormone Value
0% E. Vitamin D3 0% Score: Feedback 0/0.5 1.
contraction trigger The trigger which causes vesicles of acetylcholine to move to the axon membrane and release ACh is: A. AChase
B. Ca Student Response Value
100% C. Na+
D. K+ 0%
0% Score: Feedback 0.5/0.5 2.
There are _____ pair of ribs. There are _____ pair of ribs. A. 7
C. 12 Student Response Value
100% D. 10 0% Score: Feedback 0.5/0.5 3.
facilitation Prior sub-threshold depolarization of a reflex pathway produces: A. facilitation Student Response Value
100% B. inhibition
D. convergence 0%
0% Score: 0.5/0.5 Feedback 4.
diarthrotic joints All true diarthrotic joints have a joint capsule composed of:
A. serous membrane 0% B. a ligament
C. a retinaculum
D. synovial membrane 0%
100% Score: Value Feedback 0/0.5 6.
Action potential An action potential is generated on the sarcolemma by which event of the following:
Calcium ions enter the axon
B. Calcium ions are pumped back into 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 out of 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.
Score: Value Feedback 0%
0% 0/0.5 7.
receptive region criterion The criterion for an area being the neuron receptive region is:
Student Response Value Feedback Student Res...
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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