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A&p Muscle And Nervous System

63 Questions  I  By Goddessbright
A&P Muscle and Nervous System

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