Question 1

Which of the following best describes the main function of skeletal muscle tissue?

Accepted Answer

Voluntary movement and manipulation of the environment

Question 2

A patient suffers a heart attack that damages the muscle tissue in the heart wall. Which type of muscle tissue is primarily affected?

Accepted Answer

Cardiac muscle tissue

Question 3

Which of the following features is unique to cardiac muscle tissue when viewed under a microscope?

Accepted Answer

Intercalated discs

Question 4

Which muscle tissue type is responsible for peristalsis in the digestive tract?

Accepted Answer

Smooth muscle tissue

Question 5

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

Accepted Answer

Skeletal muscle tissue

Question 6

Which of the following is a function of neuroglia in the central nervous system?

Accepted Answer

Supporting, insulating, and protecting neurons

Question 7

A neuron is observed with a prominent cell body, dendrites, and a single long process. Which structure is responsible for transmitting impulses away from the cell body?

Accepted Answer

Axon

Question 8

Which of the following best describes the role of the axon hillock in a neuron?

Accepted Answer

Region where action potentials are initiated

Question 9

Which muscle tissue type is under voluntary control and is attached to bones?

Accepted Answer

Skeletal muscle tissue

Question 10

A cross-section of muscle tissue reveals spindle-shaped cells with a single central nucleus and no visible striations. What tissue is this?

Accepted Answer

Smooth muscle tissue

Question 11

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

Accepted Answer

Pumping blood through the heart

Question 12

Which cell type is responsible for myelinating axons in the peripheral nervous system?

Accepted Answer

Schwann cells

Question 13

A patient has a disorder affecting the neuroglia that form the blood-brain barrier. Which cell type is most likely involved?

Accepted Answer

Astrocytes

Question 14

Which of the following best describes the function of dendrites in a neuron?

Accepted Answer

Receiving input from other neurons

Question 15

Which muscle tissue type is most likely to be found in the wall of the small intestine?

Accepted Answer

Smooth muscle tissue

Question 16

Which of the following is a distinguishing feature of nervous tissue compared to muscle tissue?

Accepted Answer

Presence of neurons and neuroglia

Question 17

A muscle biopsy reveals cells with striations, a single central nucleus, and intercalated discs. Which tissue is this?

Accepted Answer

Cardiac muscle tissue

Question 18

Which of the following equations best represents the relationship between the number of nuclei ($$N) $$and the number of skeletal muscle fibers ($$F$$), given that each fiber is multinucleate and contains $$k$$ nuclei?

Accepted Answer

$$N = F 	imes k$$

Question 19

Which of the following best explains why smooth muscle tissue does not appear striated under the microscope?

Accepted Answer

Its contractile proteins are not arranged in regular sarcomeres

Question 20

A nerve cell is observed with a large cell body, multiple dendrites, and a single axon. Which equation best describes the total number of processes ($$P) if a $$neuron has $$d$$ dendrites and $$1$$ axon?

Accepted Answer

$$P = d + 1$$

Muscle and Nervous Tissues: Structure, Function, and Identification

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