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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. Breakdown of ACh by AChase.
G. Opening of the voltage-gated sodium channels.
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. 0.5/0.5 Value
0% Feedback relative refractory period 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 0%
100% period of depolarization
period of hyperpolarization
Both answers 1 and 3
Both answers 2 and 4 Score: Value Feedback 0/0.5 17.
graded potential A small local depolarization or hyperpolarization is known as:
C. graded potential 0%
0% D. all of the above
E. #1 and #2 only. 100%
0% Score: Value Feedback 0/0.5 18.
osteoclasts Osteoclasts are derived at some point from:
all of the above
E. Answers 1 and 2 only. A.
D. Score: 0.5/0.5 19.
elastic connective tissue Value
100% Feedback The stroma of the lungs contains _____ which permits its expansion and recoil.
A. areolar connective tissue
B. elastic connective tissue Value
100% C. fibrous connective tissue
D. dense irregular connective tissue 0%
0% Score: Feedback 0.5/0.5 20.
myogenic The type(s) of muscle which have myogenic cells:
Both 1 and 2
E. Both 2 and 3 A.
D. Score: Value
100% Feedback 0.5/0.5 1.
central sulcus The _____ separates the mainly motor from the mainly sensory portions of the cerebrum.
A. longitudinal sulcus
B. transverse sulcus
C. central sulcus
D. lateral sulcus
Score: Value Feedback 0%
0% 0.5/0.5 2.
non-movable joints Joints which non-movable are usually classified structurally as _____ joints.
Student Response Value A. synovial 0% B. cartilaginous
C. fibrous 0%
100% Feedback Score: 0/0.5 3.
sympathetic effect on glands Most glands are _____ by the sympathetic nervous system.
Score: Value Feedback 0%
100% 0.5/0.5 4.
Gates at Nodes In myelinated peripheral nerves the voltage gates are located only at the Nodes of Ranvier. A. True Student Response Value
100% B. False 0% Score: Feedback 0.5/0.5 6.
substantia nigra The brain region involved when insufficient dopamine production produces Parkinson's disease:
C. substantia nigra Value
100% D. basal nuclei
E. pons 0%
0% Score: 0.5/0.5 8.
Tissues vs. Characteristics 1 Fe...
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- Fall '12