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A&p Muscle And Nervous System

63 Questions  I  By Goddessbright
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1.  Which of the following is a large, deep muscle that protracts the scapula during punching?
A.
B.
C.
D.
2.  (3) attaches to the Z disc
A.
B.
3.  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.
4.  CNS Phagocytes
A.
B.
C.
5.  Muscles that cause plantar flexion include all but the
A.
B.
C.
D.
E.
6.  (3) Smiling muscle
A.
B.
C.
7.  In walking, which two lower limb muscles keep the forward-swinging foot from dragging on the ground?
A.
B.
C.
D.
8.  (6) does not lie in the I band
A.
B.
9.  The function of the T tubules in muscle contraction is to
A.
B.
C.
D.
10.  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.
11.  What type of current flows through the axolemma during the steep phase of repolarization?
A.
B.
C.
12.  Inhibition of acetylcholinesterase by poisoning blocks neurotransmission at the neuromuscular junction because
A.
B.
C.
D.
13.  Thick and thin myofilaments have different compositions. For each descriptive phrase, indicate whether the filament is thick or thin. (1) Contains actin
A.
B.
14.  The neurotransmitter released by somatic motor neurons is:
A.
B.
C.
15.  Which criterion (or criteria) are used in naming the gluteus medius?
A.
B.
C.
D.
E.
16.  Contraction elicited by a single brief stimulus is called a
A.
B.
C.
D.
17.  The anatomical region of a multipolart neuron that has the lowest threshold for generating an AP is the
A.
B.
C.
D.
18.  The arrangement of muscle fibers in which the fibers are arranged at an angle to a central longitudinal tendon is
A.
B.
C.
D.
19.  Match the facial muscle description to the appropriate name. (1) Squints the eye
A.
B.
C.
20.  The connective tissue covering that encloses the sarcolemma of an individual muscle fiber is called the
A.
B.
C.
D.
21.  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.
22.  Which has carbon dioxide and water products?
A.
B.
C.
23.  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.
24.  (2) One or a few inputs ultimately influence large numbers of neurons
A.
B.
C.
D.
25.  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.
26.  (4) Contains myosin
A.
B.
27.  Which does (do) not require that oxygen be available?
A.
B.
C.
28.  A fascicle is a
A.
B.
C.
D.
29.  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.
30.  The quadriceps include all but
A.
B.
C.
D.
E.
31.  The primer mover of inspiration is the
A.
B.
C.
D.
32.  Muscles that depress the hyoid bone and larnyx include all but the
A.
B.
C.
D.
33.  (5) Pulls the scalp posteriorly
A.
B.
C.
34.  Which provides the highest yield of ATP per glucose molecule?
A.
B.
C.
35.  Myelinates nerve fibers in the PNS
A.
B.
C.
36.  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.
37.  The chewing muscles that protrude the mandible and produce side-to-side grinding movements are
A.
B.
C.
D.
38.  (2) raises the eyebrows
A.
B.
C.
39.  Which results in the formation of lactic acid?
A.
B.
C.
40.  Lines brain cavities
A.
B.
C.
41.  A prime mover of hip flexion is the
A.
B.
C.
D.
42.  (4) may be involved in exacting types of mental activity
A.
B.
C.
D.
43.  Chemical synapses are characterized by all of the following except
A.
B.
C.
D.
44.  Helps regulate the ionic composition of CNS extracellular fluid
A.
B.
C.
45.  The ions that enter the skeletal muscle during action potential generation are
A.
B.
C.
D.
46.  (3) Many neurons influence a few neurons
A.
B.
C.
D.
47.  (4) Puckers the lips
A.
B.
C.
48.  Biogenic amine neurotransmitters include all but
A.
B.
C.
D.
49.  The prime mover of hip extension against resistance is the
A.
B.
C.
D.
50.  The arm muscle that both flexes the elbow and supinates the forarm is the
A.
B.
C.
D.
51.  Myoglobin has a special function in muscle tissue.  It ...
A.
B.
C.
52.  Intrinsic muscles of the back that promote extension of the spine (or head) include all but
A.
B.
C.
D.
53.  Characteristics of isometric contractions include all but
A.
B.
C.
D.
54.  Identify which type(s) of supporting cell is being described. Myelinates nerve fibers in the CNS
A.
B.
C.
D.
E.
F.
55.  Which is most important in endurance sports?
A.
B.
C.
56.  An IPSP is inhibitory because
A.
B.
C.
D.
57.  The velocity of nerve impulse conduction is greatest in
A.
B.
C.
D.
58.  (5) Contains troponin
A.
B.
59.  Which of the following structures is not part of the central nervous system?
A.
B.
C.
D.
60.  Assume that an EPSP is being generated on the dendritic membrane.  Which will occur?
A.
B.
C.
D.
61.  The neuropeptides that act as natural opiates are:
A.
B.
C.
D.
62.  (2) Contains ATPases
A.
B.
63.  Aerobic exercise results in all of the following except
A.
B.
C.
D.
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