Question 1

Which of the following best describes the function of tight junctions in epithelial tissue?

Accepted Answer

They prevent the passage of substances between adjacent cells, creating a barrier.

Question 2

A patient suffers a third-degree burn on their arm. Which of the following layers are affected?

Accepted Answer

Epidermis, dermis, and hypodermis

Question 3

Which type of gland releases its secretion by rupturing the entire cell, as seen in sebaceous glands?

Accepted Answer

Holocrine gland

Question 4

A biopsy of a patient’s lung tissue reveals simple squamous epithelium. What is the primary function of this tissue type in the lungs?

Accepted Answer

Facilitation of gas exchange

Question 5

Which of the following best explains why cartilage heals more slowly than bone?

Accepted Answer

Cartilage is avascular, lacking blood vessels.

Question 6

A patient is diagnosed with a tumor in the stratum basale of the epidermis. Which cell type is most likely involved?

Accepted Answer

Keratinocyte

Question 7

Which of the following best describes the difference between thick and thin skin?

Accepted Answer

Thick skin contains a stratum lucidum and is found on the palms and soles.

Question 8

Which connective tissue fiber type is most responsible for providing tensile strength to tendons?

Accepted Answer

Collagen fibers

Question 9

A patient presents with jaundice, a yellowing of the skin. Which pigment is most likely responsible for this coloration?

Accepted Answer

Bilirubin

Question 10

Which of the following best describes the function of the arrector pili muscle?

Accepted Answer

Contracts to pull the hair follicle upright, causing 'goosebumps'

Question 11

Which of the following equations correctly represents the relationship between the area of burn and the risk of circulatory shock, according to the Rule of Nines?

Accepted Answer

$$Risk \propto Area_{burned}$$

Question 12

Which of the following is a function of the hypodermis (subcutaneous layer)?

Accepted Answer

Anchoring the skin to underlying structures and providing insulation

Question 13

A histological slide shows intercalated discs and striations. Which tissue is being observed?

Accepted Answer

Cardiac muscle

Question 14

Which of the following best describes the function of melanocytes in the skin?

Accepted Answer

Produce melanin to protect against UV radiation

Question 15

Which of the following best explains why epithelial tissue is more likely to regenerate quickly after injury compared to cartilage?

Accepted Answer

Epithelial tissue has a high rate of mitosis and is supported by a vascular connective tissue layer.

Question 16

Which of the following best describes the role of osteocytes in bone tissue?

Accepted Answer

Maintain and monitor the mineral content of the surrounding bone matrix

Question 17

A patient has a mutation that prevents the formation of gap junctions in cardiac muscle. Which of the following would most likely result?

Accepted Answer

Impaired electrical conduction between cardiac muscle cells

Question 18

Which of the following best describes the function of the papillary layer of the dermis?

Accepted Answer

Contains capillaries and sensory neurons that supply the epidermis

Question 19

Which of the following is a correct pairing of connective tissue type and its primary function?

Accepted Answer

Dense regular connective tissue – resists pulling forces in one direction

Question 20

A patient with a vitamin D deficiency is likely to have impaired production of which of the following?

Accepted Answer

Calcitriol, affecting calcium absorption

Anatomy & Physiology: Tissues, Skin, and Integumentary System Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards