Question 1

Which of the following best describes the function of negative feedback in homeostatic regulation?

Accepted Answer

It reverses the direction of the original stimulus to maintain stability.

Question 2

A patient is experiencing rapid breathing at high altitude, leading to a decrease in blood carbon dioxide levels. Which survival need is most directly being challenged in this scenario?

Accepted Answer

Oxygen availability

Question 3

Which of the following best defines a tissue?

Accepted Answer

A grouping of cells that are similar in structure and perform a common or related function

Question 4

A histologist is examining a sample under a microscope and observes a single layer of flat cells lining the alveoli of the lungs. Which type of epithelium is being observed?

Accepted Answer

Simple squamous

Question 5

Which of the following is a function of the integumentary system?

Accepted Answer

Location of sensory receptors

Question 6

A person suffers a severe burn that destroys the epidermis and dermis. Which of the following skin functions is most immediately compromised?

Accepted Answer

Protection against water loss and infection

Question 7

Which directional term best describes the relationship of the heart to the lungs?

Accepted Answer

Medial

Question 8

Which of the following best describes the anatomical position?

Accepted Answer

Body upright, feet together, palms facing forward

Question 9

A cross-section of the body that divides it into superior and inferior parts is made along which plane?

Accepted Answer

Transverse (horizontal) plane

Question 10

Which of the following is a characteristic of epithelial tissue?

Accepted Answer

Almost entirely composed of cells with little extracellular material

Question 11

A biopsy reveals tissue with alternating rows of collagen fibers and chondrocytes within lacunae. This tissue is most likely:

Accepted Answer

Fibrocartilage

Question 12

Which of the following best explains why water is essential for survival?

Accepted Answer

It provides the watery environment necessary for most chemical reactions in the body.

Question 13

A patient with a deficiency in vitamin D is likely to have problems with which of the following processes?

Accepted Answer

Calcium absorption and bone mineralization

Question 14

Which of the following is true regarding the structure of connective tissue?

Accepted Answer

It contains a ground substance that fills space between cells and contains protein fibers.

Question 15

Which of the following best describes the function of fibroblasts in connective tissue?

Accepted Answer

They produce fibers and ground substance.

Question 16

A patient is unable to sweat due to a genetic disorder affecting their sweat glands. Which of the following homeostatic processes is most directly impaired?

Accepted Answer

Maintenance of normal body temperature

Question 17

Which of the following best describes the function of the nervous tissue?

Accepted Answer

Generates and conducts electrical impulses

Question 18

A cross-section through the thoracic cavity reveals two pleural cavities and a pericardial cavity. Which organs are found within these cavities?

Accepted Answer

Lungs and heart

Question 19

Which of the following best describes the process of keratinization in the epidermis?

Accepted Answer

Cells die, degrade, and are replaced with keratin as they move toward the surface

Question 20

A patient presents with a wound that is deep to the skin but superficial to the muscle. Which anatomical terms best describe the location of the wound?

Accepted Answer

Deep to the skin, superficial to the muscle

Introduction to Human Anatomy & Physiology and Tissues

Study Guide - Practice Questions

Study Guide - Flashcards