A&p Muscle And Nervous System

63 Questions  I  By Goddessbright on November 10, 2010

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