Question 1

Which of the following best describes the structural characteristics of skeletal muscle tissue?

Accepted Answer

Long, cylindrical, multinucleated cells with striations

Question 2

A patient presents with abnormal heart rhythms. Which unique structural feature of cardiac muscle tissue is most likely involved in the propagation of electrical signals between cells?

Accepted Answer

Intercalated discs containing gap junctions

Question 3

Which muscle tissue type is responsible for voluntary movements such as walking and facial expressions?

Accepted Answer

Skeletal muscle

Question 4

Smooth muscle tissue is found in which of the following locations?

Accepted Answer

Walls of hollow organs such as blood vessels and digestive tract

Question 5

Which of the following is a function of cardiac muscle tissue?

Accepted Answer

Pumping blood throughout the body

Question 6

A histological slide shows long, cylindrical cells with multiple nuclei and obvious striations. What type of muscle tissue is this?

Accepted Answer

Skeletal muscle

Question 7

Which of the following statements about muscle tissue is correct?

Accepted Answer

Muscle contraction is responsible for movement in the body

Question 8

What is the primary difference in stimulation between skeletal and cardiac muscle tissue?

Accepted Answer

Skeletal muscle is voluntary, cardiac muscle is involuntary

Question 9

Which muscle tissue type contains intercalated discs, and what is their function?

Accepted Answer

Cardiac muscle; facilitate synchronized contraction via cell-to-cell communication

Question 10

A patient is unable to consciously control the contraction of their digestive tract muscles. Which type of muscle tissue is involved?

Accepted Answer

Smooth muscle

Question 11

Which of the following best explains why skeletal muscle cells are multinucleated?

Accepted Answer

They are formed by the fusion of multiple precursor cells during development

Question 12

If a muscle tissue sample lacks striations and consists of tapered cells with central nuclei, which type of muscle tissue is it?

Accepted Answer

Smooth muscle

Question 13

Which equation best represents the relationship between force ($$F$$), mass ($$m$$), and acceleration ($$a) $$generated by muscle contraction?

Accepted Answer

$$F = m 	imes a$$

Question 14

Which muscle tissue type is most likely to be affected in a patient with difficulty swallowing due to impaired peristalsis in the esophagus?

Accepted Answer

Smooth muscle

Question 15

Which of the following is NOT a location where smooth muscle tissue is found?

Accepted Answer

Heart

Question 16

A muscle cell is observed to have striations, a single central nucleus, and intercalated discs. What type of muscle tissue is this?

Accepted Answer

Cardiac muscle

Question 17

Which of the following best describes the control of smooth muscle contraction?

Accepted Answer

Involuntary

Question 18

Which muscle tissue type is primarily responsible for maintaining blood pressure by regulating the diameter of blood vessels?

Accepted Answer

Smooth muscle

Question 19

Which of the following features is unique to cardiac muscle tissue and not found in skeletal or smooth muscle?

Accepted Answer

Intercalated discs

Question 20

A muscle tissue sample is taken from the wall of the stomach. Which of the following characteristics would you expect to find?

Accepted Answer

Tapered cells with central nuclei and no striations

Muscle Tissue: Structure, Classification, Location, and Function

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