The 'A&P Muscular System Midterm' assesses knowledge on the functions, types, and control mechanisms of different muscle groups. It covers skeletal, smooth, and cardiac muscles, focusing on their voluntary or involuntary nature and general functions, crucial for students in health-related fields.
True
False
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Devoluntary
Voluntary
Involuntary
None of the above
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Lengthens
Shortens
Extends
None of the above
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Lukewarm
Heat
Cold
None of the above
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Breath debt
Debt
Oxygen debt
Air debt
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Voluntary
Involuntary
Both
None of the above
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Motor neuron
Motor unit
Sarcomere
None of the above
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Sarcomere
Motor unit
Myofibril
Z-line
None of the above
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Being muscular
Muscle tone
Being toned
None of the above
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Sarcomere
Sarcoplasmic reticulum
Motor unit
Fascicle
None of the above
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Immediately
Soon
Over time
Only in small amounts
Never
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Airobic respiration
Anaerobic respiration
Aerobic respiration
Heirrobic respiration
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If there is too little oxygen present
When there is oxygen present
When you "feel the burn"
When ATP is used up
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Provide sudden bursts of energy
Capable of quick fatigue
Do not fatigue quickly
Maintain a set size and strength, but stamina can improve
Provide stamina with longer periods of energy (more mitochondria)
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A
B
C
D
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ATP
Creatine phosphate
Krillitane phosphate
ADP
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Slow twitch
All-or-none response
Threshold stimulus
None of the above
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All-or-none response
Threshold stimulus
Fast-twitch fibers
Creatine phosphate stimulus
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It stores energy to recharge ADP
Builds up byproduct that we have to deal with
Glycolysis, link reaction, krebs cycle
All of the above
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Tetanus; summation
Summation; tetanus
Summation; recruitment
None of the above
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Stimulus
Procrastination
Brief delay- latent period
Contraction
Attraction
Relaxation
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Recruitment
Amassing
Tetanus
Summation
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Hemoglobin
Myoglobin
Myosin
None of the above
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Lactic acid fermentation
Aerobic respiration
Creatine phosphate
None of the above
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Provide sudden bursts of energy (have more creatine-P)
Can increase in size and strength with use/exercise
Capable of quick fatigue
Do not fatigue quickly
Maintain a set size and strength
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There is a build up of lactic acid
When you "feel the burn"
When a muscle losses the ability to contract - only temporarily
All of the above
None of the above
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Fast-twitch fibers can increase in size and strength with use/ exercise
Slow-twitch fibers can increase in size and strength with exercise
Both are correct
Lol idk
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Single motor units have an all-or-none response, but a whole muscle can have varying degrees of force due to summation and recruitment
Single motor units have an all-or-none response, but a whole muscle can have varying degrees of force due to muscle tone and fast-twitch fibers
Single motor units have an all-or-none response, but a whole muscle can have varying degrees of force due to slow-twitch and fast-twitch fibers
Single motor units have an all-or-none response, but a whole muscle can have varying degrees of force due to muscle tone and recruitment
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Provides energy to the myosin head, "cocking" it into position - this is the energy that is used to pull the actin filament
Fresh ATP molecules break the actin-myosin cross bridge after the power stroke
Both A and B
None of the above
There's only one way
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Creatine phosphate
Krillitane phosphate
Aerobic respiration
Anaerobic respiration
Lactic acid fermentation
Fatty acid fermentation
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Movement
Breathing
Pumping blood
Hearing
Moving food
Thinking
Maintaining posture
Generating heat
None of the above
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