7/17/25, 8:22
AM
UNCG BIO 277 - UNIT 4: SKELETAL & SMOOTH
MUSCLES EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED
LATEST UPDATE GRADED A++ 2025/2026
Terms in this set (53)
1. Skeletal
What are the three types of 2. Cardiac
muscles? 3. Smooth
How does the skeletal system It maintains the calcium levels in
maintain homeostasis? the blood
How does skeletal muscle Striated
appear under a microscope?
What is the fiber sarcomeres
arrangement of skeletal
muscle?
Where is skeletal muscle attached to bones
located?
What is the tissue multinucleate and large
morphology of skeletal cylindrical fibers
muscle?
1/
9
, 7/17/25, 8:22
AM
What is the the internal T-tubules and Sacroplasmic
structure of skeletal muscle? Reticulum
1. Actin
What are the fiber 2. Myosin
proteins located in 3. Troponin
skeletal Muscle? 4. Tropomyosin
What controls skeletal Calcium and Troponin
muscle during Fibers
excitation/relaxation? indepen
dent of
one
another
Calcium
from SR
What is the skeletal The Fastest
muscle's contraction speed
compared to the other
muscles?
What is the contraction Not Graded, It's "all or nothing"
force of a single fiber twitch otherwise known as action
in a skeletal muscle? potential
(Graded or Not)
What is the ACh being released from the motor
initiation of neuron
2/
9
AM
UNCG BIO 277 - UNIT 4: SKELETAL & SMOOTH
MUSCLES EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED
LATEST UPDATE GRADED A++ 2025/2026
Terms in this set (53)
1. Skeletal
What are the three types of 2. Cardiac
muscles? 3. Smooth
How does the skeletal system It maintains the calcium levels in
maintain homeostasis? the blood
How does skeletal muscle Striated
appear under a microscope?
What is the fiber sarcomeres
arrangement of skeletal
muscle?
Where is skeletal muscle attached to bones
located?
What is the tissue multinucleate and large
morphology of skeletal cylindrical fibers
muscle?
1/
9
, 7/17/25, 8:22
AM
What is the the internal T-tubules and Sacroplasmic
structure of skeletal muscle? Reticulum
1. Actin
What are the fiber 2. Myosin
proteins located in 3. Troponin
skeletal Muscle? 4. Tropomyosin
What controls skeletal Calcium and Troponin
muscle during Fibers
excitation/relaxation? indepen
dent of
one
another
Calcium
from SR
What is the skeletal The Fastest
muscle's contraction speed
compared to the other
muscles?
What is the contraction Not Graded, It's "all or nothing"
force of a single fiber twitch otherwise known as action
in a skeletal muscle? potential
(Graded or Not)
What is the ACh being released from the motor
initiation of neuron
2/
9
