A&p Muscle And Nervous System

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