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WorksheetsExercise Physiology Review!
Total questions: 44
Worksheet time: 11hrs 31mins
The smallest unit of contraction is the
Myosin
Sarcomere
Myofibril
Fascicle
Which type of muscle tissue is involuntary?
Skeletal muscle
Cardiac muscle
Smooth muscle
A normal resting heart rate is determined by
the parasympathetic nervous system
the sympathetic nervous system
neither the parasympathetic nor the sympathetic nervous system
a combination of parasympathetic and sympathetic nervous systems
Which of the following is an immediate response to exercise?
Increased heart rate
Increased body temperature
Increased blood flow
All of the above
Which has quickest speed for shortening (Vmax)?
Type I
Type IIx
Which has more enzymes related to aerobic metabolism?
Type I
Type IIx
Fibrous, superficial covering that protects diaphysis
Periosteum
Red Bone Marrow
Medullary Cavity
Compact Bone
Epiphyseal plate
Produce red blood cells
Periosteum
Red Bone Marrow
Medullary Cavity
Compact Bone
Epiphyseal plate
Stores bone marrow and nutrients
Periosteum
Red Bone Marrow
Medullary Cavity
Compact Bone
Epiphyseal plate
Covers the external surface of the epiphyses and decreases friction at joint surfaces
Periosteum
Red Bone Marrow
Medullary Cavity
Articular Cartilage
Epiphyseal plate
Causes lengthwise growth of a long bone
Periosteum
Red Bone Marrow
Medullary Cavity
Compact bone
Epiphyseal plate
Function mainly as levels to aid in movement
Long Bones
Short Bones
Flat Bones
Irregular Bones
Function mainly to provide stability and support as well as some limited motion.
Long Bones
Short Bones
Flat Bones
Irregular Bones
Click all that apply. Which of these make up a motor unit?
Motor neuron
Motor fiber
Muscle
Nerve
What is the contractile unit of the muscle?
Z disk
Sarcomere
Muscle fiber
Muscle cell
What is the name of the location where the neuron and muscle fiber meet?
Sarcoplasm
Sacolemma
Neuromuscular junction
Axon terminal
Which of these occurs first during a muscle contraction?
The nerve signal reaches the neuromuscular junction
Ach is released and opens Na ion channels
The sarcomere shortens
The myosin binds to the actin
Which of these occurs last during a muscle contraction?
The nerve signal reaches the neuromuscular junction
Ach is released and opens Na ion channels
The sarcomere shortens
The myosin binds to the actin
Which of the following is NOT a way that muscle fibers are classified?
How fast they contract
How they regenerate ATP
How much ATP they need
How much O2 they take in
Athrophy is...
Muscle gain
Muscle disease
Muscle loss
Break down of smooth muscles
Hypertrophy is...
Increase in endomysium
Increase in muscle organs
Decrease of the sacroplasmic reticulum
Increase of the sacroplasmic reticulum
Isotonic is...
Contraction that makes the muscle longer
Contraction is minimal
The length of the muscle changes
The length of the muscle stays the same
Isometric contraction...
Muscle stays at fixed length
Muscles changes length
Muscles are completely relaxed
Muscles are getting longer
The job of the heart is to . . .
pump blood around the body.
send food to the small intestines.
break down food.
give energy to the body.
The average horses exercising HR can reach?
180bpm
280bpm
240bpm
200bpm
Did this quiz help?
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Bone remodels according to load placed upon it; what is this Law?
Newton's Law
Skeletal Law
Wollf's Law
Warner's Law
How does the heart adapt to training?
Increase chamber diameter
Increase wall thickness
Lowers resting HR.
The Splenic Reserve is...
Adding extra blood to the horse via doping methods
Adrenalin release due to exercise.
Storage of RBC's
Storage of WBC's
Inspiration and Expiration have key differences what are they?
Inspiration is active, expiration is passive.
Inspiration does not require muscular contraction, expiration does.
Expiration does not require muscular contraction, inspiration does.
Inspiration is passive, expiration is active.
The Lungs adapt to training by
Increasing surfactant
Increasing diameter of blood vessels.
Increasing in chamber size.
The lungs cannot adapt to training.
What are the components of Respirator-Locomotory Coupling
1:1 stride to breath ratio
3:1 stride to breath ratio
Pendulum created by the viscera hitting the diaphragm.
Pendulum created by the viscera moving forwards and backwards.
Forced expiration during FL stance phase.
How does muscle adapt to training?
Hypertrophy of fibres.
Increased buffering capacity
Angiogenesis
All of the above.
What is crimp?
Unloaded fibres having a wavy appearance.
Elastic potential of the tendon
Loaded fibres having a wavy appearance.
The plastic potential of the tendon.
How do tendons adapt to training?
Increased pliability of tendon
Less crimp
Increased collagen turnover
Hypertrophy of Fibres
Thermoregulation are the mechanisms by which the body....
maintains it's temperature within a narrow range by regulating heat production and heat loss
maintains it's temperature within a broad range by regulating heat production and heat loss
maintains it's temperature within a narrow range by regulating heat production
maintains it's temperature within a narrow range by regulating heat loss
How does a horse generate heat?
Movement
Shivering
Piloerection
Exercise
Digestion
How much fluid can an endurance horse lose per hour via Sweat?
10l
12.5l
5l
15.5
What loss of body water is considered dangerous?
3-5%
8-10%
12-14%
20%
