A&p Muscle And Nervous System

63 Questions  I  By Goddessbright

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