#1
Which muscle is responsible for flexing the forearm?
Biceps brachii
ExplanationFlexes the forearm at the elbow joint.
#2
What is the primary function of tendons in the body?
To attach muscle to bone
ExplanationConnects muscle to bone, facilitating movement.
#3
What is the function of the epimysium?
To surround the entire muscle
ExplanationCovers the entire muscle, providing protection.
#4
Which connective tissue attaches muscle to bone?
Tendon
ExplanationConnects muscle to bone, facilitating movement.
#5
What is the name of the connective tissue that covers the entire muscle?
Epimysium
ExplanationCovers the entire muscle, providing protection.
#6
What is the name of the tough, fibrous connective tissue that surrounds a muscle?
Fascia
ExplanationEncloses and separates muscles.
#7
Which of the following is a characteristic of skeletal muscle tissue?
Striated appearance
ExplanationDisplays a striped appearance under the microscope.
#8
Which connective tissue surrounds individual muscle fibers?
Endomysium
ExplanationEncloses individual muscle fibers within a muscle.
#9
Which of the following is a characteristic of cardiac muscle tissue?
Branched appearance
ExplanationHas a branched appearance and is found in the heart.
#10
Which of the following muscles is involved in abduction of the shoulder?
Deltoid
ExplanationPrimary muscle responsible for shoulder abduction.
#11
Which muscle is responsible for extending the knee joint?
Quadriceps
ExplanationPrimarily responsible for knee extension.
#12
What is the primary function of the endomysium?
To surround individual muscle fibers
ExplanationEncloses individual muscle fibers within a muscle.
#13
Which of the following is NOT a function of smooth muscle tissue?
Contraction for voluntary movement
ExplanationSmooth muscle contracts involuntarily.
#14
Which type of connective tissue surrounds a group of muscle fibers called a fascicle?
Perimysium
ExplanationSurrounds a bundle of muscle fibers (fascicle).
#15
What is the function of the sarcolemma in muscle cells?
To conduct action potentials
ExplanationPlays a role in transmitting electrical signals.
#16
What is the function of the sarcoplasmic reticulum in muscle cells?
To store and release calcium ions
ExplanationStores and releases calcium ions necessary for muscle contraction.
#17
What is the function of the neuromuscular junction?
To release neurotransmitters
ExplanationFacilitates communication between nerves and muscles.
#18
What is the function of the myofibrils in muscle cells?
To generate force during contraction
ExplanationContain the contractile proteins necessary for muscle contraction.