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CHAPTER 11 MUSCULAR TISSUE

48 Questions  I  211 Attempts  I  Created By failatlife 1152 days ago
Again, SOME questions from chapter 11 that WILL be on the exam. :D

  


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Question Excerpt From CHAPTER 11 MUSCULAR TISSUE
Q.1)  Which of the following is not a purpose of the excess post excercise oxygen consumption in muscle?
A.
B.
C.
D.
E.
Q.2)  Which muscle(s) can contract without the need for the nervous stimulation?
A.
B.
C.
D.
E.
Q.3)  Where is lactic acid converted to pyruvic acid?
A.
B.
C.
D.
E.
Q.4)  During muscle contraction, a single myosin head consumes ATP at a rate of about
A.
B.
C.
D.
E.
Q.5)  The term for shortening of a muscle while maintaining constant tension is
A.
B.
C.
D.
E.
Q.6)  Which fibers are primarily responsible for producing lactic acid?
A.
B.
C.
D.
E.
Q.7)  Michael Jordan was arguably the best player in pofesional basketball history. Scientifically one would expect him to have highly developed
A.
B.
C.
D.
E.
Q.8)  Where would you expect to find numerous gap junctions in muscular tissue?
A.
B.
C.
D.
E.
Q.9)  the contraction strength of smooth muscle is relatively independent of its resting length partly because
A.
B.
C.
D.
E.
Q.10)  In comparison to skeletal muscle, smooth muscle
A.
B.
C.
D.
E.
Q.11)  which of the following is very important for muscle to continue contraction during anaerobic respiration?
A.
B.
C.
D.
E.
Q.12)  The minimum stimulus needed to cause muscle contraction is called
A.
B.
C.
D.
E.
Q.13)  if one nerve stimulus arrives at a muscle fiber so soon that the fibers has only partially relaxed from the previos twitvh, the most likely result will be
A.
B.
C.
D.
E.
Q.14)  Which of the following is true concerning isotonic eccentric contraction?
A.
B.
C.
D.
E.
Q.15)  Which of the following has the largest mitochondria?
A.
B.
C.
D.
E.
Q.16)  One somatic motor neuron is stimulated by how many muscle fibers
A.
B.
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D.
E.
Q.17)  To stimulate muscle contraction, acetycholine is released from the                        into the synaptic cleft.
A.
B.
C.
D.
E.
Q.18)  The absence or inhibition of AChE at a synapse would lead to which of the following?
A.
B.
C.
D.
E.
Q.19)  Which statement best describes the goal of medications used to treat myasthenia gravis?
A.
B.
C.
D.
E.
Q.20)  A single high voltage stimulation of a muscle will result in
A.
B.
C.
D.
E.
Q.21)  Aerobic respiration produces approximately                 more ATPs per glucose molecule than glycolysis does
A.
B.
C.
D.
E.
Q.22)  Athletes who train at high altitudes increase their red blood cell count and thus increase their oxygen supply during exercise. Increase oxygen supply results in
A.
B.
C.
D.
E.
Q.23)  Cardiac muscle has very little capacity for regeneration because it lacks
A.
B.
C.
D.
E.
Q.24)  Which of the following would be caused by contraction of smooth muscle?
A.
B.
C.
D.
E.
Q.25)  the triads of a muscle fiber consist of
A.
B.
C.
D.
E.
Q.26)  As you are lifting a box someone places extra weight on top of it. For your muscle to continue contracting and lifting a box, the muscle must
A.
B.
C.
D.
E.
Q.27)  The protein that acts as a calcium receptor in skeletal is
A.
B.
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D.
E.
Q.28)  Drugs called calcium channel blockers may be used to lower blood pressure by causing arteries to vasodilate. These drugs
A.
B.
C.
D.
E.
Q.29)  Exposure to Clostridium tetani causes continuous release of ACh. What effect does this have on smooth muscle?
A.
B.
C.
D.
E.
Q.30)  Dystrophin, the protein that is defective in muscular dystrophy, is normally found
A.
B.
C.
D.
E.
Q.31)  A reason that muscle twitches become progressively stronger in treppe is
A.
B.
C.
D.
E.
Q.32)  The purpose of varicosities in muscle physiology is
A.
B.
C.
D.
E.
Q.33)  Creatine kinase
A.
B.
C.
D.
E.
Q.34)  Release of ACh
A.
B.
C.
D.
E.
Q.35)  Which of the following best describe the resting membrane potential (RMP)?
A.
B.
C.
D.
E.
Q.36)  The sarcolemma of a resting muscle fiber is most permeable to
A.
B.
C.
D.
E.
Q.37)  What is the purpose of a triad?
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B.
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D.
E.
Q.38)  Which of the following systems would improve energy for a racquetball player?
A.
B.
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D.
E.
Q.39)  Loss of muscle mass from lack of activity is termed
A.
B.
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E.
Q.40)  Which of the following is not a characteristic of a muscle cell?
A.
B.
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D.
E.
Q.41)  Collagen is
A.
B.
C.
D.
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Q.42)  A myofilament that flanks a thick filament and anchors it to a Z disc is called
A.
B.
C.
D.
E.
Q.43)  The bladder's ability to greatly distend and return to normal tension is due to the                           of the smooth muscles
A.
B.
C.
D.
E.
Q.44)  A skeletal muscle generates the greatest tension when it is
A.
B.
C.
D.
E.
Q.45)  A volleyball player depends on the gastrocnemius for plantar flexion, where as marathon runner depends more on the soleus muscles for the same action. This is because the soleus muscles
A.
B.
C.
D.
E.
Q.46)  Ina  relaxed muscle fiber, the active sites of actin are blocked by
A.
B.
C.
D.
E.
Q.47)  In skeletal muscle, alternating light and dark bands are termed
A.
B.
C.
D.
E.
Q.48)  the training regimen of a competitive weight lifter is designed partly to
A.
B.
C.
D.
E.

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