ARRT Cross-Sectional Anatomy

Question 1

What are the four basic tissue types in the human body?

Accepted Answer

Epithelial, connective, muscle, and nervous

Answer

The four fundamental tissue types are epithelial (covering/lining), connective (support/connection), muscle (movement), and nervous (communication/control).

Question 2

What is the function of epithelial tissue?

Accepted Answer

To cover body surfaces, line cavities, and form glands

Answer

Epithelial tissue covers all body surfaces, lines body cavities and organs, and forms glands. It provides protection, absorption, secretion, and sensation.

Question 3

What is the largest organ in the human body?

Accepted Answer

Skin

Answer

The skin is the largest organ, covering approximately 20 square feet in adults and weighing about 8 pounds. It serves as the primary barrier against the environment.

Question 4

What is the difference between arteries and veins?

Accepted Answer

Arteries carry blood away from the heart; veins carry blood toward the heart

Answer

Arteries carry blood away from the heart (usually oxygenated) while veins carry blood toward the heart (usually deoxygenated). Arteries have thicker walls to handle higher pressure.

Question 5

What is homeostasis?

Accepted Answer

The body's ability to maintain stable internal conditions

Answer

Homeostasis is the body's dynamic process of maintaining stable internal conditions (temperature, pH, blood sugar) despite external changes.

(ARRT) American Registry of Radiologic Technologists Computed Tomography Certification Practice Test

(ARRT) American Registry of Radiologic Technologists Computed Tomography Certification Practice Test

ARRT Cross-Sectional Anatomy