Muscular System 1.6 Flashcards
The antagonistic muscle to the biceps brachii is the ______
Which of the following completes the sentence above?
A: quadriceps.
B: triceps brachii.
C: pectoralis major.
D: latissimus dorsi.
B: triceps brachii
Which of the following describes the area between muscle fiber and the axon terminal of a motor neuron ?
A: Synapse
B: Myofibril
C: Sarcomere
D: Neuromuscular junction
D: Neuromuscular junction
Which of the following muscle tissue types are involuntary?
A: Skeletal and smooth
B: Cardiac and smooth
C: Smooth, cardiac, and skeletal
D: Skeletal and cardiac
B: Cardiac and smooth
Which of following is incorrect in relation to muscle contraction?
Muscle contraction is stimulated by the release of neurotransmitters released in the synapse.
Both actin and myosin filaments shorten in length.
Both actin and myosin stay the same length.
Muscle contraction requires the use of ATP.
Both actin and myosin filaments shorten in length.
Which of the following diseases is caused by a virus that attacks and destroys the nerves that activate skeletal muscles, causing the muscles to lose their ability to function?
Polio
Tetanus
Botulism
Muscular dystrophy
Polio
Which of the following correctly describes the pairs of muscles that work against each other to create movement?
Opposite
Antagonistic
Origin
Adductor
Antagonistic
A sarcomere _____
Which of the following completes the sentence above?
is the contractile unit of a muscle.
shortens in length when actin and myosin slide past each other during contraction.
surrounds all muscle fibers.
Both A and B
Both A and B
Which of the following muscle tissue types is voluntary?
Skeletal
Cardiac
Visceral
Skeletal and cardiac
Skeletal
For the proper functioning of muscles, the cellular efergy of ATP is _____
Which of the following completes the sentence above?
necessary for muscle contraction alone.
only necessary for the release of neurotransmitters.
needed for both muscle contraction and relaxation.
ATP is necessary for both contraction and relaxation of muscle.
needed for both muscle contraction and relaxation
Which of the following muscular disorders affects both voluntary and involuntary muscles?
Muscle strain
Muscular dystrophy
Amyotrophic lateral sclerosis
Muscle sprain
Muscular dystrophy
Actin
Myosin
Actin- thin
Myosin-thick
- Which of the following are the thick filaments in a muscle cell?
A. Actin
B. Myosin
C. Myofibrils
D. Sarcomere
B: myosin
- Which of the following best describes the role of tendons?
A. They connect muscle to bone.
B. They connect bone to bone.
C. They connect tendons to muscles.
D. They connect cartilage to bone.
A. They connect muscle to bone.
- Which of the following types of muscle tissue is voluntary?
A.Skeletal
B. Smooth
C. Cardiac
D. Nervous
A: Skeletal
- Which of the following muscles are located at the shoulder?
A. Deltoids
B. Pectorals
C. Trapezius
D. Abdominals
A: Deltoids
