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