WorksheetsMuscular System
Total questions: 30
Worksheet time: 15mins
Which type of cellular respiration makes the most energy for our muscles?
anaerobic
fermentation
aerobic
photosynthesis
Muscle contraction is the _______ of muscle fibers.
hypertrophy
lengthening
atrophy
shortening
Which of the following terms is known as the smallest functional unit of a muscle?
facile
sarcomere
myofibril
axon
What type of muscle tissue is found in the stomach?
skeletal muscle
smooth muscle
cardiac muscle
What type of muscle tissue is found in the heart?
skeletal muscle
smooth muscle
cardiac muscle
What type of muscle tissue is found in the walls of blood vessels?
skeletal muscle
smooth muscle
cardiac muscle
Which of the following is true of anaerobic respiration?
It produces lactic acid.
It causes fatigue.
It produces an oxygen debt.
All of the above.
What are the 2 types of contracting proteins that make up a myofibril?
calcium and acetylcholine
squamous and stratified
perimysium and endomysium
actin and myosin
A person has torn the muscle inside of his stomach. What type of muscle tissue is torn?
smooth
skeletal
cardiac
elongated
Skeletal muscles are striated due to the alternating A (dark) and I (light) bands of filaments in the sarcomere.
True
False
What type of muscle tissue is striated and voluntary?
skeletal muscle
smooth muscle
cardiac muscle
What type of muscle tissue is not striated and involuntary?
skeletal muscle
smooth muscle
cardiac muscle
What type of muscle tissue is striated and involuntary?
skeletal muscle
smooth muscle
cardiac muscle
The part of the muscle from z-line to z-line is called _______.
sarcomere
H zone
perimysium
nucleus
Physical exercise can cause muscle hypertophy.
True
False
According to the sliding filament theory, actin filaments actively attach to and pull on myosin filaments.
True
False
Muscle fibers are cells with multiple nuclei.
True
False
Which of the following statements most accurately describes the biceps?
The biceps are skeletal muscles.
The biceps are cardiac muscles.
The biceps are elongated muscles.
The biceps are smooth muscle.
Which of the following is the correct order of a muscle from SMALLEST to LARGEST?
myofibril, sarcomere, muscle fiber, fascicle
sarcomere, myofibril, muscle fiber, fascicle
muscle fiber, sarcomere, fascicle, myofibril
muscle fiber, fascicle, myofibril, sarcomere
What is the name of the energy molecule used by all living things?
adenosine triphosphate (ATP)
glucose
sodium bicarbonate
nitrogen
Which of the following terms is used to describe a group of muscle fibers?
fascicle
sarcomere
myofibril
endomysium
During a muscle contraction, the sarcomeres become shorter.
True
False
What condition occurs if the muscles become large?
atrophy
hypertrophy
muscle strain
muscular dystrophy
The origin is the end of the muscles attached to a bone that remains stationary during a muscle contraction.
True
False
Which of the following is NOT a function of the muscular system?
movement
maintaining posture
support soft tissue
eliminate wastes
Which of the following carries oxygen to the muscles?
white blood cells
red blood cells
liver cells
neurons
Which of the following types of muscle tissues is considered striated?
smooth, skeletal
smooth, cardiac
skeletal, cardiac
smooth, adipose
Bill has a burning in his legs from running a long distance. What is happening to Bill's muscles?
He has acetylcholine building up in his muscles.
He has acetic acid building up in his muscles.
He has gastric acid building up in his muscles.
He has lactic acid building up in his muscles.
Myosin heads bind to actin filaments causing it to slide. What process does the lead to?
muscle elongation
muscle tear
muscle contraction
tendon relaxation
Which cell organelle must muscles have a lot of to make energy for contractions?
lysosomes
ribosomes
golgi
mitochondria
