Anatomy Final

61 cards

Anatomy final exam qu


 
  
Created May 16, 2010
by
keesash

 

 
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1
Athletes usually experience muscular fatigue less quickly that nonathletes because they
 
produce less lactic aci
2
The role of ATP in muscle contraction is to supply energy for
 
myofilament movement
3
smooth muscle is found in the wall of
 
the stomach and intestine
4
In a recording of a muscle twitch the delay between the time a stimulus is applied and the...
 
latent period
5
Tendons and ligament are composed primarily of
 
dense connective tissue
6
White muscles have an increased capacity to carry on aerobic respiration
 
false
7
The maintenance of body temperature is realted to the action of skeletal muscles because
 
the more active they are the more heat is released
8
endomysium separates individual muscle fibers
 
true
9
The latent period is the time when the muscle is relaxed
 
false
10
A tendon is characterized by being_____, whereas an aponeurosis is characterized by being_____
 
cordlike and connects muscles to bones; a broad, fibrous sheet of connective tissue that connects...
11
Which of the following is not true when comparing red and white muscle types
 
red muscles have fewer fitochondria then white
12
Which of the following major events in mucle contraction are stated properly
 
Actin filaments slide inward along myosin filametns
13
Motor unit recruitment refers to the fact that some otor neurons can recruti new skeletal muscle...
 
false
14
Neurotransmitters are stored in vesicles within
 
motor neuron endings
15
A skeletal muscle fiber conains many nuclei
 
true
16
The type of muscle found in blood vessels is
 
smooth
17
Muscle fatigue is most likely due to an accumulation of lactic acid
 
true
18
The very brief moment following contraction when a muscle remains unresponsive to additional...
 
refractory period
19
The outermost laer of connective tissue surrounding a skeletal muscle is called the
 
epimysium
20
When a muscle undergoes atrophy in response to disuse
 
all of the above
21
The amount of oxygen needed to support the conversion of lactic acid to glycogen is called...
 
oxygen debt
22
Cardiac muscle is found in teh wall of the
 
none fo the above
23
The muscle tissue that can be consciously controlled is
 
skeletal
24
The striated appearance of skeletal muscle results from the
 
sarcomere arrangment
25
Liver cells convert lactic acid to ATP
 
false
26
ATP is related to creatine phosphate by
 
creatine phosphate supplying energy to regenerate ATP from ADP and phosphate
27
A motor unit is defined as
 
a motor neuron and the muscle fibers connected to it
28
If a muscle contracts and its fibers shorten the ontractionis isometric
 
false
29
Creatine phosphate serves to
 
supply energy for the synthesis of ATP
30
During muscle ontraction calcium ions combine with tropomysoin and this exposes active sites...
 
false
31
A muscle cramp is most likely dur to a lack of
 
ATP
32
A neuromuscular junction can be described as
 
all of the above
33
Activities such as swimming and running ar most liely to stimulate development of
 
slow, red muscle fibers
34
Myofibrils are composed primarily of
 
acitn and myosin
35
Compared to skeletal muscle smooth muscle
 
contacts more slowly and relaxes more slowly
36
muscle contracts but does not change length
 
isometric
37
attachment moves
 
isotonic
38
performing curls
 
isotonic
39
doing a headstand
 
isometric
40
standing still
 
isometric
41
anaerobic respiration
 
fast twitch fibers
42
most myoglobin
 
slow twitch fibers
43
resistant to fatigue
 
slow twitch fibers
44
tons of mitochondria
 
slow twitch fibers
45
extenisve SR
 
fast twitch fibers
46
rich blood supply
 
slow twitch fiibers
47
lactic acid build up occurs
 
fast twitch fibers
48
white fibers
 
fast twitch fibers
49
long distance runners
 
slow twitch fibers
50
rapid contractions
 
fast twitch fibers
51
citric acid cycle and electron transport chain
 
aerobic
52
occurs in the cytoplasm
 
anaerobic
53
makes carbon dioxide water and 34 ATP
 
aerobic
54
oxygen required
 
aerobic
55
glycolysis
 
anaerobic
56
amkes pyruvic acid
 
anaerobic
57
forms 2 ATP
 
anaerobic
58
fast twitch fibers
 
anaerobic
59
34 ATP
 
aerobic
60
by product is lactic acid
 
anaerobic
61
The meninges consist of
 
all of the above

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