Page 1 of 5
Anatomy and Physiology Practice test questions muscle unit review EXAM
2025- 2026 Review GRADED A+ QUESTIONS WIT H CORRECT ANSWERS
GRADED A+
During skeletal muscle contraction, myosin heads attach to binding sites
associated with ________.
actin filaments
Which of the following can actually shorten during a muscle contraction?
sarcomere
The movement opposite to abduction is ________.
adduction
Which of the following muscles closes the jaw?
both masseter and temporalis
Sandra is playing the piano for her recital. Which muscle is NOT involved in
the movement of her hands and/or fingers ________.
extensor digitorum longus
Which one of the following muscles is involved in abduction of the arm at the
shoulder joint?
deltoid
What is the origin of the deltoid muscle?
scapular spine and clavicle
While doing "jumping jacks" during an exercise class, your arms and legs
move laterally away from the midline of your body. This motion is called
________.
abduction
Cardiac and skeletal muscle both possess striations.
T/F
True
All types of muscle have endomysium covering individual muscle cells. T/F
true
Bundles of muscle fibers are known as aponeuroses.
T/F
false
The striations seen in skeletal muscle are actually alternating dark A and light I
bands. T/F
true
The sarcoplasmic reticulum wraps like a sleeve around the myofibril and
stores and releases calcium. T/F
true
A neuromuscular junction consists of one neuron and all the skeletal muscles
it stimulates. T/F
, Page 2 of 5
false
The neurotransmitter used by the nervous system to activate skeletal muscle
cells is acetylcholine. T/F
true
Thick filaments are made of a protein called actin. T/F
false
Aerobic respiration requires the use of oxygen to generate ATP. T/F
true
Aerobic, or endurance, exercise involves jogging or biking.
T/F
true
a. smooth muscle tissue
B) skeletal muscle tissue
C) cardiac muscle tissue
1) Voluntary muscle tissue
skeletal muscle tissue
Muscle tissue found only in the heart
a. smooth muscle tissue
B) skeletal muscle tissue
C) cardiac muscle tissue
cardiac muscle tissue
5) Muscle tissue composed of branching cells and intercalated discs
a. smooth muscle tissue
B) skeletal muscle tissue
C) cardiac muscle tissue
cardiac muscle tissue
Specific neurotransmitter that stimulates skeletal muscle cells
A) calcium ions
B) acetylcholine
C) synaptic cleft
D) sodium ions
E) acetylcholinesterase
F) action potential
acetylcholine
A) flexion
B) extension
C) rotation
D) adduction
E) plantar flexion
F) supination
G) abduction
H) inversion
Anatomy and Physiology Practice test questions muscle unit review EXAM
2025- 2026 Review GRADED A+ QUESTIONS WIT H CORRECT ANSWERS
GRADED A+
During skeletal muscle contraction, myosin heads attach to binding sites
associated with ________.
actin filaments
Which of the following can actually shorten during a muscle contraction?
sarcomere
The movement opposite to abduction is ________.
adduction
Which of the following muscles closes the jaw?
both masseter and temporalis
Sandra is playing the piano for her recital. Which muscle is NOT involved in
the movement of her hands and/or fingers ________.
extensor digitorum longus
Which one of the following muscles is involved in abduction of the arm at the
shoulder joint?
deltoid
What is the origin of the deltoid muscle?
scapular spine and clavicle
While doing "jumping jacks" during an exercise class, your arms and legs
move laterally away from the midline of your body. This motion is called
________.
abduction
Cardiac and skeletal muscle both possess striations.
T/F
True
All types of muscle have endomysium covering individual muscle cells. T/F
true
Bundles of muscle fibers are known as aponeuroses.
T/F
false
The striations seen in skeletal muscle are actually alternating dark A and light I
bands. T/F
true
The sarcoplasmic reticulum wraps like a sleeve around the myofibril and
stores and releases calcium. T/F
true
A neuromuscular junction consists of one neuron and all the skeletal muscles
it stimulates. T/F
, Page 2 of 5
false
The neurotransmitter used by the nervous system to activate skeletal muscle
cells is acetylcholine. T/F
true
Thick filaments are made of a protein called actin. T/F
false
Aerobic respiration requires the use of oxygen to generate ATP. T/F
true
Aerobic, or endurance, exercise involves jogging or biking.
T/F
true
a. smooth muscle tissue
B) skeletal muscle tissue
C) cardiac muscle tissue
1) Voluntary muscle tissue
skeletal muscle tissue
Muscle tissue found only in the heart
a. smooth muscle tissue
B) skeletal muscle tissue
C) cardiac muscle tissue
cardiac muscle tissue
5) Muscle tissue composed of branching cells and intercalated discs
a. smooth muscle tissue
B) skeletal muscle tissue
C) cardiac muscle tissue
cardiac muscle tissue
Specific neurotransmitter that stimulates skeletal muscle cells
A) calcium ions
B) acetylcholine
C) synaptic cleft
D) sodium ions
E) acetylcholinesterase
F) action potential
acetylcholine
A) flexion
B) extension
C) rotation
D) adduction
E) plantar flexion
F) supination
G) abduction
H) inversion
