DPT708 MAP FINAL STUDY GUIDE EXAM QUESTIONS
AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
What is in a muscle fiber?
thousands of myobrils
actin & myosin
What is the correct order of muscle coverings superficial to deep
epimysium
perimysium
endomysium
deep fascia
What is the chemical composition of muscle fiber/cell?
water 75%
protein 20%
other 5% (sodium, potassium, ATP, calcium, amino acids, fats, carbs)
Each muscle fiber is innervated by a specific.....
motor neuron
An increased number of motor unit recruitment...
increased muscle control
Alpha motor neurons are innervated by...
primary motor neurons, sensory neurons, interneurons
Cardiac and smooth m. innervated by......
, ANS
Each muscle fiber is innervated and stimulated to contract by _____
a single branch of nerve ending from one Alpha Motor neuron
Grouping of motor neurons in the ventral horn of the spinal cord is called...
motor neuron pool
Arteries and veins lie ______ to individual muscle fibers
parallel
Number of muscle fibers is largely fixed by ______ trimester of fetal development
2nd
What is the sarcolemma composed of?
plasma membrane
basement membrane
Sarcoplasm is comparable to _________ of other cells
cytoplasm
The sarcoplasm has unusually large amounts of ______, and significant amounts
of _______
glycosomes (granules of stored glycogen)
myglobin (O2 binding prot)
Titin limits _______
ROM of sarcomere tension
T-tubules conduct _________
nerve-initiated action potentials deep into fiber
AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
What is in a muscle fiber?
thousands of myobrils
actin & myosin
What is the correct order of muscle coverings superficial to deep
epimysium
perimysium
endomysium
deep fascia
What is the chemical composition of muscle fiber/cell?
water 75%
protein 20%
other 5% (sodium, potassium, ATP, calcium, amino acids, fats, carbs)
Each muscle fiber is innervated by a specific.....
motor neuron
An increased number of motor unit recruitment...
increased muscle control
Alpha motor neurons are innervated by...
primary motor neurons, sensory neurons, interneurons
Cardiac and smooth m. innervated by......
, ANS
Each muscle fiber is innervated and stimulated to contract by _____
a single branch of nerve ending from one Alpha Motor neuron
Grouping of motor neurons in the ventral horn of the spinal cord is called...
motor neuron pool
Arteries and veins lie ______ to individual muscle fibers
parallel
Number of muscle fibers is largely fixed by ______ trimester of fetal development
2nd
What is the sarcolemma composed of?
plasma membrane
basement membrane
Sarcoplasm is comparable to _________ of other cells
cytoplasm
The sarcoplasm has unusually large amounts of ______, and significant amounts
of _______
glycosomes (granules of stored glycogen)
myglobin (O2 binding prot)
Titin limits _______
ROM of sarcomere tension
T-tubules conduct _________
nerve-initiated action potentials deep into fiber
