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Skeletal Muscle

25 Questions  I  By Ellis018
Body Quizzes & Trivia
This lecture was given by Dr. Fitzovitz. It is on skeletal muscle. I will try to alter it later to incorporate information from the book.

  
Changes are done, please start the quiz.


Question Excerpt

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1.  Troponin and Tropomyosin wrap around which filament?
A.
B.
2.  In the relaxed state tropomyosin covers the binding site for actin or myosin
A.
B.
3.  What is myosin considered as being?
A.
B.
C.
4.  Sarcomeres are the basic functional unit for which type of muscle?
A.
B.
C.
5.  The distance between what lines compose the sarcomere?
A.
B.
C.
D.
6.  Innervated by alpha motor neurons and produce force of contraction
A.
B.
C.
7.  The distance from one part of a sarcomere to the same part of the next sarcomere
A.
B.
C.
D.
8.  Regulate sensors and is innervated gamma motor neurons
A.
B.
C.
9.  The entire length of the myosin filaments is known as
A.
B.
C.
D.
10.  Contractile machinery is activated by a rise in...
A.
B.
C.
D.
11.  What terminates the contraction?
A.
B.
C.
D.
12.  Produced as result of force generated by making & breaking crossbridges
A.
B.
C.
D.
13.  What is required for active force?
A.
B.
C.
D.
14.  Causes flaccid paralysis
A.
B.
15.  Causes spasms
A.
B.
16.  In hypercalcemia extracellular calcium can block Na channels preventing action potentials. This leads to flaccid paralysis.
A.
B.
17.  Is it the ATP binding that breaks cross bridges?
A.
B.
18.  The activity  of myosin ATPase limits
A.
B.
C.
D.
19.  The best measurement of preload is?
A.
B.
C.
D.
20.  Check all that apply for isotonic contraction
A.
B.
C.
D.
21.  Fibers for endurance!
A.
B.
22.  Holding a heavy load uses less energy than repetitive drumming. True or false
A.
B.
23.  Ways to regulate force...
A.
B.
C.
D.
24.  This way to regulate the force is not available for the heart
A.
B.
C.
D.
25.  Mechanism that provides ATP for contraction
A.
B.
C.
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