Question 1

Which of the following best describes the cellular level of structural organization in the human body?

Accepted Answer

A single cell, such as a sperm or white blood cell, which is the basic structural and functional unit of life

Question 2

Which organ system is primarily responsible for synthesizing vitamin D and excreting sweat and oil?

Accepted Answer

Integumentary system

Question 3

A patient presents with a disturbance in their internal environment, such as a sudden drop in blood glucose. Which term best describes this condition?

Accepted Answer

Homeostatic imbalance

Question 4

Which of the following is an example of a positive feedback mechanism in the human body?

Accepted Answer

Blood clotting

Question 5

Which statement about elements is correct?

Accepted Answer

Elements are composed of molecules with only one type of atom

Question 6

Given a lithium atom with 3 protons and 4 neutrons, what is its mass number?

Accepted Answer

$$7$$

Question 7

Which of the following is a correct example of a compound?

Accepted Answer

$$\mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6$$

Question 8

Which type of mixture is blood considered, and why?

Accepted Answer

Suspension, because if left in a tube, the blood cells will settle out

Question 9

What is the maximum number of electrons that can be held in the first electron shell of an atom?

Accepted Answer

$$2$$

Question 10

Which of the following best describes the difference between kinetic and potential energy?

Accepted Answer

Kinetic energy is energy in action, while potential energy is stored energy

Question 11

A solution of salt dissolved in water is an example of which type of mixture?

Accepted Answer

Solution

Question 12

Which organ system is responsible for producing movement and maintaining posture?

Accepted Answer

Muscular system

Question 13

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

Question 14

Which of the following is a correct description of a negative feedback mechanism?

Accepted Answer

A change in the opposite direction reduces the original stimulus

Question 15

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

Accepted Answer

Returns leaked fluid from blood vessels to the blood and disposes of debris

Question 16

Which of the following is true about protons?

Accepted Answer

They carry a positive charge and weigh 1 AMU

Question 17

Which of the following is a correct example of a homogeneous mixture?

Accepted Answer

Salt dissolved in water

Question 18

Which organ system is responsible for regulating water, electrolyte, and acid-base balance of the blood?

Accepted Answer

Urinary system

Question 19

Which of the following is a correct statement about isotopes?

Accepted Answer

Isotopes have the same number of protons but different numbers of neutrons

Question 20

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

Accepted Answer

Photosynthesis

Introduction to Anatomy & Physiology: Levels of Organization, Life Functions, and Basic Chemistry

Study Guide - Practice Questions

Study Guide - Flashcards