Question 1

Which of the following best describes the composition of the body's extracellular environment?

Accepted Answer

It consists mainly of water, dissolved ions, proteins, and polysaccharides forming the extracellular matrix.

Question 2

A patient has a genetic defect that impairs the production of integrins. Which process would be most directly affected?

Accepted Answer

The ability of cells to adhere to components of the extracellular matrix.

Question 3

Which of the following is an example of contact signaling between cells?

Accepted Answer

A cell recognizing and binding to another cell via membrane-bound glycoproteins.

Question 4

Which of the following best defines the term 'tissue'?

Accepted Answer

A group of similar cells that perform a common function.

Question 5

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

Accepted Answer

Contraction to produce movement.

Question 6

A biopsy reveals a tissue with a single layer of flat cells lining the alveoli of the lungs. Which type of epithelial tissue is this?

Accepted Answer

Simple squamous epithelium

Question 7

Which of the following best differentiates exocrine glands from endocrine glands?

Accepted Answer

Exocrine glands secrete their products onto body surfaces or into body cavities via ducts, while endocrine glands release hormones directly into the blood.

Question 8

Which of the following statements about multicellular exocrine glands is correct?

Accepted Answer

They consist of a duct and a secretory unit, and can be classified as simple or compound based on duct structure.

Question 9

Which connective tissue type is characterized by a firm, gel-like matrix and is found at the ends of long bones?

Accepted Answer

Hyaline cartilage

Question 10

A patient suffers a deep cut that damages both the epidermis and dermis. Which of the following best describes the sequence of tissue repair?

Accepted Answer

Inflammation, organization, regeneration, fibrosis

Question 11

Which of the following best distinguishes between serous and mucous membranes?

Accepted Answer

Serous membranes line closed ventral body cavities and secrete a watery fluid, while mucous membranes line cavities open to the exterior and secrete mucus.

Question 12

Which of the following is a passive process for membrane transport?

Accepted Answer

Osmosis

Question 13

A cell is placed in a solution and water moves into the cell, causing it to swell. Which process is responsible for this movement?

Accepted Answer

Osmosis

Question 14

Which organelle is responsible for packaging and modifying proteins for secretion?

Accepted Answer

Golgi apparatus

Question 15

During which phase of the cell cycle does DNA replication occur?

Accepted Answer

Interphase (S phase)

Question 16

A tissue sample shows loosely arranged fibers, abundant ground substance, and various cell types. Which tissue is this most likely to be?

Accepted Answer

Areolar connective tissue

Question 17

Which of the following best describes the function of microvilli on epithelial cells?

Accepted Answer

Increase surface area for absorption

Question 18

Which of the following equations correctly represents the net movement of water during osmosis?

Accepted Answer

$$J = -L_p (\Delta P - \sigma \Delta \pi)$$

Question 19

A patient is diagnosed with a disease that impairs the function of lysosomes. Which cellular process would be most affected?

Accepted Answer

Digestion of cellular debris and pathogens

Question 20

Which of the following best describes the difference between simple and stratified epithelial tissues?

Accepted Answer

Simple epithelia consist of a single layer of cells, while stratified epithelia have two or more layers.

Anatomy & Physiology: Tissue Types, Membranes, and Cellular Structure Study Guide

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