Question 1

Which of the following best describes the relationship between anatomy and physiology?

Accepted Answer

Anatomy studies the structure of body parts, while physiology studies their function; together, they explain how the body works.

Question 2

Arrange the following levels of organization in order from simplest to most complex: cell, atom, tissue, organ, organism.

Accepted Answer

Atom, cell, tissue, organ, organism

Question 3

A patient is experiencing a fever. Which homeostatic mechanism is primarily responsible for returning their body temperature to normal?

Accepted Answer

Negative feedback

Question 4

Which of the following is an example of a positive feedback system in the human body?

Accepted Answer

Blood clotting cascade

Question 5

A medical term contains the prefix 'hypo-', the root 'derm', and the suffix '-itis'. What does this term most likely refer to?

Accepted Answer

Inflammation of the skin below normal thickness

Question 6

Which plane divides the body into anterior and posterior sections?

Accepted Answer

Coronal (frontal)

Question 7

A structure is described as 'superior and lateral' to the heart. Where is it located?

Accepted Answer

Above and to the side of the heart

Question 8

Which body system is primarily responsible for producing hormones that regulate growth, metabolism, and reproduction?

Accepted Answer

Endocrine system

Question 9

Which of the following is NOT a major body cavity?

Accepted Answer

Pericardial cavity

Question 10

Which organic molecule is composed of monomer units called amino acids and is responsible for catalyzing biochemical reactions?

Accepted Answer

Proteins

Question 11

A cell is placed in a solution with a higher solute concentration than its cytoplasm. What will happen to the cell?

Accepted Answer

It will shrink due to water leaving the cell.

Question 12

Which equation best represents the process of osmosis across a semipermeable membrane?

Accepted Answer

Water moves from an area of low solute concentration to high solute concentration: $$\Delta C = C_{high} - C_{low}$$

Question 13

Which cell organelle is primarily responsible for ATP production?

Accepted Answer

Mitochondria

Question 14

Which tissue type is characterized by tightly packed cells with little extracellular matrix and forms the lining of body surfaces?

Accepted Answer

Epithelial tissue

Question 15

Which connective tissue cell is responsible for producing collagen fibers?

Accepted Answer

Fibroblast

Question 16

Which membrane lines body cavities that do NOT open to the exterior and secretes a watery fluid?

Accepted Answer

Serous membrane

Question 17

Which layer of the skin contains the most adipose tissue and provides insulation?

Accepted Answer

Hypodermis

Question 18

Which accessory organ of the skin is responsible for producing sebum?

Accepted Answer

Sebaceous gland

Question 19

Which pigment is primarily responsible for the brown-black coloration in skin and hair?

Accepted Answer

Eumelanin

Question 20

Where is Vitamin D3 synthesized in the body, and what is its primary function?

Accepted Answer

Synthesized in the skin; needed for calcium absorption

Unit I – Introduction to Anatomy & Physiology: Step-by-Step Study Guidance

Study Guide - Practice Questions