Question 1

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

Accepted Answer

Atom $$\rightarrow$$ Cell $$\rightarrow$$ Tissue $$\rightarrow$$ Organ

Question 2

A patient is experiencing difficulty with gas exchange in the lungs. Which plasma membrane structure is most likely involved in this process?

Accepted Answer

Integral proteins

Question 3

Which anatomical region is located on the anterior surface of the elbow?

Accepted Answer

Antecubital

Question 4

Which of the following is a correct example of a decomposition reaction in the human body?

Accepted Answer

Glycogen $$\rightarrow$$ Glucose

Question 5

Which of the following best describes the role of buffers in the human body?

Accepted Answer

Buffers maintain pH by neutralizing excess acids or bases.

Question 6

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 7

Which of the following is NOT a function of enzymes in the human body?

Accepted Answer

Being consumed during the reaction

Question 8

Which process requires ATP and moves substances against their concentration gradient?

Accepted Answer

Active transport

Question 9

Which of the following is a correct classification of a redox reaction?

Accepted Answer

Fe$$^{2+}$$ $$+ Cu$^{2+}$$ $$\rightarrow Fe$^{3+}$$ $$+ Cu$^{+}$$

Question 10

Which feedback mechanism is responsible for maintaining homeostasis in body temperature regulation?

Accepted Answer

Negative feedback

Question 11

Which of the following is a characteristic of living things?

Accepted Answer

Ability to reproduce

Question 12

Which of the following best describes facilitated diffusion?

Accepted Answer

Movement of molecules from high to low concentration via a protein channel

Question 13

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

Accepted Answer

Mitochondria

Question 14

Which of the following is true regarding the classification of proteins in the plasma membrane?

Accepted Answer

Integral proteins span the entire membrane.

Question 15

A patient is unable to digest carbohydrates efficiently. Which enzyme is most likely deficient?

Accepted Answer

Amylase

Question 16

Which of the following statements about endocytosis is correct?

Accepted Answer

Endocytosis requires ATP to transport large molecules into the cell.

Question 17

Which of the following best explains why ATP is required for active transport?

Accepted Answer

ATP provides energy to move molecules against their concentration gradient.

Question 18

Which of the following is an example of a synthesis reaction in the human body?

Accepted Answer

Amino acids $$\rightarrow$$ Protein

Question 19

Which of the following statements about concentration gradients is correct?

Accepted Answer

Substances move from high to low concentration during passive transport.

Question 20

A cell is exposed to a toxin that inhibits all ATP production. Which process will be most directly affected?

Accepted Answer

Active transport

Anatomy & Physiology: Foundational Concepts Study Guide

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