A&p Muscle And Nervous System

63 Questions  I  By Goddessbright

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