$$\text{Mass number} = \text{Number of protons} + \text{Number of neutrons}$$

Question 1

Which of the following best describes the function of the integumentary system?

Accepted Answer

It protects the body from the external environment, produces vitamin D, retains water, and regulates body temperature.

Question 2

A patient is experiencing muscle weakness due to a lack of ATP production. Which organelle is most likely malfunctioning?

Accepted Answer

Mitochondrion

Question 3

Which anatomical term describes a position farther away from the surface of the body?

Accepted Answer

Deep

Question 4

A cell is placed in a solution and water moves out of the cell, causing it to shrink. What type of solution is this?

Accepted Answer

Hypertonic

Question 5

Which of the following is an example of a negative feedback loop in the human body?

Accepted Answer

Regulation of body temperature

Question 6

Which type of chemical bond involves the transfer of electrons from a metal atom to a nonmetal atom?

Accepted Answer

Ionic bond

Question 7

What is the atomic number of an element defined as?

Accepted Answer

The number of protons in the nucleus

Question 8

Which organ system is responsible for returning excess fluid to the cardiovascular system and providing immunity?

Accepted Answer

Lymphatic system

Question 9

A solution has a pH of 4. Which of the following best describes this solution?

Accepted Answer

It is acidic and has a high concentration of hydrogen ions.

Question 10

Which plane divides the body into right and left portions?

Accepted Answer

Sagittal plane

Question 11

Which process requires energy in the form of ATP to move solutes against their concentration gradient?

Accepted Answer

Active transport

Question 12

Which of the following best describes the function of ribosomes?

Accepted Answer

They synthesize proteins.

Question 13

Which of the following is a property of water that is essential for maintaining body temperature?

Accepted Answer

High heat capacity

Question 14

A patient has a blood pH of 7.2. What condition does this indicate?

Accepted Answer

Acidosis

Question 15

Which of the following best describes the process of dehydration synthesis?

Accepted Answer

Water is removed and monomers are joined to form polymers.

Question 16

Which organ system is primarily responsible for regulating body functions and providing for sensation, movement, and higher mental functions?

Accepted Answer

Nervous system

Question 17

Which of the following is the correct formula for calculating the mass number of an atom?

Accepted Answer

$$	ext{Mass number} = 	ext{Number of protons} + 	ext{Number of neutrons}$$

Question 18

Which type of epithelial tissue is best suited for rapid diffusion and is found lining the air sacs of the lungs?

Accepted Answer

Simple squamous epithelium

Question 19

Which of the following is a real-life example of a positive feedback loop?

Accepted Answer

Amplification of uterine contractions during childbirth

Question 20

A molecule is formed by the chemical bonding between two or more atoms. Which term best describes this?

Accepted Answer

Molecule

Anatomy & Physiology: Fundamental Concepts and Terminology

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