Question 1

Which of the following best describes the principle of complementarity of structure and function in anatomy and physiology?

Accepted Answer

What a structure can do depends on its specific form.

Question 2

Which organ system is primarily responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Cardiovascular system

Question 3

A patient is unable to maintain a stable internal temperature despite changes in the external environment. Which necessary life function is most directly impaired?

Accepted Answer

Homeostasis

Question 4

Which of the following is an example of negative feedback in homeostatic control?

Accepted Answer

Shivering to increase body temperature when cold.

Question 5

Which statement about atoms is correct?

Accepted Answer

The atomic number is equal to the number of protons in the nucleus.

Question 6

A solution is defined as:

Accepted Answer

A homogeneous mixture in which the solute particles are evenly distributed and do not settle out.

Question 7

Which type of chemical bond involves the sharing of electron pairs between atoms?

Accepted Answer

Covalent bond

Question 8

Given the chemical equation $2H_2 + O_2 \rightarrow 2H_2O$, which type of chemical reaction does this represent?

Accepted Answer

Synthesis reaction

Question 9

Which of the following best explains why water is a polar molecule?

Accepted Answer

The oxygen atom attracts electrons more strongly, creating a partial negative charge at one end.

Question 10

A person is experiencing muscle cramps due to low calcium levels. Which organ system is most directly involved in regulating calcium homeostasis?

Accepted Answer

Endocrine system

Question 11

Which of the following is NOT a survival need for humans?

Accepted Answer

Movement

Question 12

Which statement about isotopes is correct?

Accepted Answer

Isotopes of an element have identical chemical properties but different atomic masses.

Question 13

Which organ system is responsible for removing nitrogenous wastes and maintaining water and salt balance?

Accepted Answer

Urinary system

Question 14

Which of the following best describes kinetic energy?

Accepted Answer

Energy of motion

Question 15

If an atom has 8 protons, 8 neutrons, and 8 electrons, what is its atomic number and mass number?

Accepted Answer

Atomic number: 8, Mass number: 16

Question 16

Which of the following is a function of the integumentary system?

Accepted Answer

Protects deeper tissues from injury

Question 17

Which statement about homeostasis is correct?

Accepted Answer

Homeostasis is the ability of the body to maintain a relatively constant internal environment.

Question 18

Which of the following best describes a compound?

Accepted Answer

A substance formed by the chemical combination of two or more different kinds of atoms.

Question 19

Which organ system is responsible for producing hormones that regulate body processes?

Accepted Answer

Endocrine system

Question 20

Which of the following is true regarding hydrogen bonds?

Accepted Answer

Hydrogen bonds are responsible for the molecular attractions between water molecules.

Anatomy & Physiology Foundations: Organization, Chemistry, and Homeostasis

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