A&p Muscle And Nervous System

63 Questions  I  By Goddessbright on November 10, 2010

  

Question Excerpt

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