A&p Muscle And Nervous System

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1.  Assume that an EPSP is being generated on the dendritic membrane.  Which will occur?
A.
B.
C.
D.
2.  A smooth, sustained contraction resulting form very rapid stimulation of the muscle, in which no evidence of relaxation is seen, is called a
A.
B.
C.
D.
3.  (5) Contains troponin
A.
B.
4.  (4) may be involved in exacting types of mental activity
A.
B.
C.
D.
5.  An IPSP is inhibitory because
A.
B.
C.
D.
6.  (4) Contains myosin
A.
B.
7.  Contraction elicited by a single brief stimulus is called a
A.
B.
C.
D.
8.  The sites where the motor nerve impulse is transmitted from the nerve endings to the skeletal muscle cell membranes are the
A.
B.
C.
D.
9.  The anatomical region of a multipolart neuron that has the lowest threshold for generating an AP is the
A.
B.
C.
D.
10.  Muscles that depress the hyoid bone and larnyx include all but the
A.
B.
C.
D.
11.  Chemical synapses are characterized by all of the following except
A.
B.
C.
D.
12.  (3) Many neurons influence a few neurons
A.
B.
C.
D.
13.  Which of the following structures is not part of the central nervous system?
A.
B.
C.
D.
14.  A prime mover of hip flexion is the
A.
B.
C.
D.
15.  Helps regulate the ionic composition of CNS extracellular fluid
A.
B.
C.
16.  The quadriceps include all but
A.
B.
C.
D.
E.
17.  (2) raises the eyebrows
A.
B.
C.
18.  (3) Smiling muscle
A.
B.
C.
19.  The arm muscle that both flexes the elbow and supinates the forarm is the
A.
B.
C.
D.
20.  Biogenic amine neurotransmitters include all but
A.
B.
C.
D.
21.  Several muscles act to move and/or stabilize the scapula.  Which of the following are small rectangular muscles that square the shoulders as they act together to retract the scapula?
A.
B.
C.
D.
22.  A fascicle is a
A.
B.
C.
D.
23.  During muscle contraction, ATP is provided by (a) coupled reaction of creatine phosphate with ADP, (b) aerobic respiration of glucose and (c) anaerobic glycolysis.  Which provides ATP fastest?
A.
B.
C.
24.  Thick and thin myofilaments have different compositions. For each descriptive phrase, indicate whether the filament is thick or thin. (1) Contains actin
A.
B.
25.  The smooth muscle type found in the walls of digestive and urinary system organs that exhibits gap junctions and pace-maker cells is
A.
B.
26.  The arrangement of muscle fibers in which the fibers are arranged at an angle to a central longitudinal tendon is
A.
B.
C.
D.
27.  Aerobic exercise results in all of the following except
A.
B.
C.
D.
28.  The connective tissue covering that encloses the sarcolemma of an individual muscle fiber is called the
A.
B.
C.
D.
29.  Muscles that cause plantar flexion include all but the
A.
B.
C.
D.
E.
30.  The prime mover of hip extension against resistance is the
A.
B.
C.
D.
31.  (3) attaches to the Z disc
A.
B.
32.  CNS Phagocytes
A.
B.
C.
33.  The neurotransmitter released by somatic motor neurons is:
A.
B.
C.
34.  (4) Puckers the lips
A.
B.
C.
35.  Inhibition of acetylcholinesterase by poisoning blocks neurotransmission at the neuromuscular junction because
A.
B.
C.
D.
36.  Which of the following is a large, deep muscle that protracts the scapula during punching?
A.
B.
C.
D.
37.  Which is most important in endurance sports?
A.
B.
C.
38.  Match the facial muscle description to the appropriate name. (1) Squints the eye
A.
B.
C.
39.  The ions that enter the skeletal muscle during action potential generation are
A.
B.
C.
D.
40.  Myelinates nerve fibers in the PNS
A.
B.
C.
41.  (2) Contains ATPases
A.
B.
42.  A muscle that assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts is
A.
B.
C.
D.
43.  Which provides the highest yield of ATP per glucose molecule?
A.
B.
C.
44.  Identify which type(s) of supporting cell is being described. Myelinates nerve fibers in the CNS
A.
B.
C.
D.
E.
F.
45.  What type of current flows through the axolemma during the steep phase of repolarization?
A.
B.
C.
46.  Intrinsic muscles of the back that promote extension of the spine (or head) include all but
A.
B.
C.
D.
47.  The primer mover of inspiration is the
A.
B.
C.
D.
48.  Which has carbon dioxide and water products?
A.
B.
C.
49.  Which results in the formation of lactic acid?
A.
B.
C.
50.  Which criterion (or criteria) are used in naming the gluteus medius?
A.
B.
C.
D.
E.
51.  In walking, which two lower limb muscles keep the forward-swinging foot from dragging on the ground?
A.
B.
C.
D.
52.  The function of the T tubules in muscle contraction is to
A.
B.
C.
D.
53.  Identify the neuronal circuits described the choosing the correct response. (1) Impulses continue around and around the circuit until one neuron stops firing.
A.
B.
C.
D.
54.  The velocity of nerve impulse conduction is greatest in
A.
B.
C.
D.
55.  Characteristics of isometric contractions include all but
A.
B.
C.
D.
56.  The neuropeptides that act as natural opiates are:
A.
B.
C.
D.
57.  (5) Pulls the scalp posteriorly
A.
B.
C.
58.  Myoglobin has a special function in muscle tissue.  It ...
A.
B.
C.
59.  (2) One or a few inputs ultimately influence large numbers of neurons
A.
B.
C.
D.
60.  Which does (do) not require that oxygen be available?
A.
B.
C.
61.  Lines brain cavities
A.
B.
C.
62.  (6) does not lie in the I band
A.
B.
63.  The chewing muscles that protrude the mandible and produce side-to-side grinding movements are
A.
B.
C.
D.
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