$ \mathrm{C_6H_{12}O_6} + 6\mathrm{O_2} \rightarrow 6\mathrm{CO_2} + 6\mathrm{H_2O} + \text{energy} $

Question 1

Which of the following correctly lists the levels of organization in the human body from smallest to largest?

Accepted Answer

Atom, cell, tissue, organ, organ system, organism

Question 2

Which of the following best describes the function of homeostasis in the human body?

Accepted Answer

It maintains a stable internal environment despite external changes.

Question 3

A patient is lying face up on an examination table. What is the name of this position?

Accepted Answer

Supine position

Question 4

Which directional term would you use to describe the location of the heart relative to the lungs?

Accepted Answer

Medial

Question 5

Which anatomical plane divides the body into right and left halves?

Accepted Answer

Sagittal plane

Question 6

Which of the following elements make up approximately 96% of the human body?

Accepted Answer

Carbon, hydrogen, oxygen, nitrogen

Question 7

In a chemical reaction, which of the following best describes a catalyst?

Accepted Answer

A substance that increases the rate of reaction without being consumed

Question 8

Which organic molecule is primarily responsible for storing genetic information?

Accepted Answer

Nucleic acids

Question 9

A patient has a spinal cord injury affecting the central region of the body. Which directional term best describes the location of the injury?

Accepted Answer

Central

Question 10

Which of the following is a function of epithelial tissue?

Accepted Answer

Protection and secretion

Question 11

Which type of muscle tissue is involuntary and found in the walls of hollow organs?

Accepted Answer

Smooth muscle

Question 12

Which connective tissue structure is most likely to contain collagen fibers and provide tensile strength?

Accepted Answer

Tendon

Question 13

Where in the body are neuroglia found, and what is their primary function?

Accepted Answer

In nervous tissue; support and protection of neurons

Question 14

Which layer of the epidermis is responsible for the most active mitosis?

Accepted Answer

Stratum basale

Question 15

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

Accepted Answer

Form a waterproof barrier and provide structural strength

Question 16

A patient presents with excessive sweating during exercise. Which type of sweat gland is primarily responsible for this response?

Accepted Answer

Eccrine gland

Question 17

Which of the following is the correct chemical equation for the breakdown of glucose during cellular respiration?

Accepted Answer

$ \mathrm{C_6H_{12}O_6} + 6\mathrm{O_2} ightarrow 6\mathrm{CO_2} + 6\mathrm{H_2O} + 	ext{energy} $

Question 18

Which of the following best describes the relationship between a reactant and a product in a chemical reaction?

Accepted Answer

A reactant is a substance that enters into a reaction and is changed into a product.

Question 19

Which of the following organic molecules is most likely to function as an enzyme?

Accepted Answer

Protein

Question 20

A patient has a wound that penetrates through the epidermis and into the dermis. Which of the following layers has been breached?

Accepted Answer

Dermis

Anatomy & Physiology: Foundational Concepts and Systems Study Guide

Study Guide - Practice Questions