Question 1

Which of the following muscle types is under voluntary control?

Accepted Answer

Skeletal muscle

Question 2

Which prefix is commonly used in anatomical terms to refer specifically to muscle?

Accepted Answer

Myo-

Question 3

What is the primary function of cardiac muscle tissue?

Accepted Answer

Pumping blood throughout the body

Question 4

Which connective tissue sheath surrounds an individual muscle fiber?

Accepted Answer

Endomysium

Question 5

Which of the following is NOT a function of muscle tissue?

Accepted Answer

Synthesis of hormones

Question 6

The sliding filament model of muscle contraction involves which two main protein filaments?

Accepted Answer

Actin and myosin

Question 7

Which structure is considered the functional (contractile) unit of skeletal muscle?

Accepted Answer

Sarcomere

Question 8

During muscle contraction, which ion is essential for the interaction between actin and myosin?

Accepted Answer

Calcium (Ca^{2+})

Question 9

Which muscle type is found in the walls of hollow organs such as the stomach and blood vessels?

Accepted Answer

Smooth muscle

Question 10

What is the name of the cell membrane of a muscle fiber?

Accepted Answer

Sarcolemma

Question 11

Which of the following best describes the arrangement of sarcomeres in a skeletal muscle fiber?

Accepted Answer

Sarcomeres are arranged in series

Question 12

Which of the following is a characteristic unique to muscle tissue?

Accepted Answer

Ability to shorten when activated (contractility)

Question 13

Which organelle is abundant in muscle fibers due to their high energy demand?

Accepted Answer

Mitochondrion

Question 14

Which of the following best explains why skeletal muscle fibers have multiple nuclei?

Accepted Answer

They are formed by the fusion of multiple precursor cells

Question 15

Which of the following is a thick filament in the sarcomere?

Accepted Answer

Myosin

Question 16

Which function of muscle tissue is most directly related to maintaining body temperature?

Accepted Answer

Contractions warm the body

Question 17

Which of the following is a property of muscle tissue that allows it to return to its resting length after being stretched?

Accepted Answer

Elasticity

Question 18

Which muscle type contains intercalated discs and is found only in the heart?

Accepted Answer

Cardiac muscle

Question 19

Which of the following best describes the role of ATP in muscle contraction?

Accepted Answer

ATP is required for myosin to detach from actin

Question 20

Which of the following is a real-life example of smooth muscle function?

Accepted Answer

Pushing food through the gastrointestinal tract

Muscle Tissues and Muscle Tissue Structure

Study Guide - Practice Questions