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

Question 1

Which of the following best describes the organization of the human body from smallest to largest structural level?

Accepted Answer

Atom, cell, tissue, organ, organism

Question 2

A patient presents with a burn on the antecubital region. Where is this injury located?

Accepted Answer

Front of the elbow

Question 3

Which of the following is a function of the plasma membrane in human cells?

Accepted Answer

Regulating the passage of substances in and out of the cell

Question 4

Which equation correctly represents the breakdown of glucose during cellular respiration?

Accepted Answer

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

Question 5

Which of the following best explains the role of enzymes in the human body?

Accepted Answer

Enzymes act as catalysts to speed up chemical reactions

Question 6

A solution has a pH of 7.4. Which buffer system is most likely maintaining this pH in human blood?

Accepted Answer

Bicarbonate buffer system

Question 7

Which of the following is an example of passive transport across the plasma membrane?

Accepted Answer

Facilitated diffusion

Question 8

Which statement best describes the difference between anabolic and catabolic reactions?

Accepted Answer

Anabolic reactions build molecules; catabolic reactions break down molecules

Question 9

Which of the following is NOT a characteristic of living things?

Accepted Answer

Ability to remain unchanged over time

Question 10

A cell is placed in a solution with a higher concentration of solutes than inside the cell. What will happen to the cell?

Accepted Answer

The cell will shrink due to water efflux

Question 11

Which process requires ATP to move substances against their concentration gradient?

Accepted Answer

Active transport

Question 12

Which of the following is a redox reaction?

Accepted Answer

$$2H_2 + O_2$ \rightarrow 2H_2O$$

Question 13

Which organelle is primarily responsible for ATP production in eukaryotic cells?

Accepted Answer

Mitochondria

Question 14

Which of the following best describes homeostasis?

Accepted Answer

The maintenance of a stable internal environment

Question 15

Which of the following is true about the feedback mechanism that regulates blood glucose levels?

Accepted Answer

It is a negative feedback mechanism

Question 16

Which of the following is NOT a type of protein found in the plasma membrane?

Accepted Answer

Genetic proteins

Question 17

Which process is used by cells to engulf large particles or liquids?

Accepted Answer

Endocytosis

Question 18

Which of the following best describes the directionality of metabolic reactions in the human body?

Accepted Answer

Some reactions are reversible, while others are irreversible

Question 19

Which of the following is the correct classification for the reaction: $$C_6H_{12}O_6$ \rightarrow 2C_2H_5OH + 2CO_2$$?

Accepted Answer

Decomposition

Question 20

Which statement best explains why DNA and RNA are not included in the exam for this course section?

Accepted Answer

The focus is on carbohydrates, proteins, and lipids for this section

Anatomy & Physiology: Foundational Concepts Study Guide

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