$$\text{Number of subatomic particles} = \text{protons} + \text{neutrons} + \text{electrons}$$

Question 1

Which of the following best describes the difference between anatomy and physiology?

Accepted Answer

Anatomy focuses on the structure of body parts, while physiology focuses on how those parts work.

Question 2

Which of the following is NOT a major sub-discipline of macroscopic (gross) anatomy?

Accepted Answer

Cytology

Question 3

Arrange the following levels of organization in order from simplest to most complex: tissue, organ, chemical, cellular, organism, organ system.

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organism

Question 4

Which of the following best defines homeostasis?

Accepted Answer

The maintenance of a stable internal environment despite changes in external conditions.

Question 5

A patient is experiencing a fever. Which type of feedback mechanism is most likely responsible for returning their body temperature to normal?

Accepted Answer

Negative feedback

Question 6

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

Accepted Answer

Release of oxytocin during childbirth

Question 7

Which of the following correctly lists the three major components of a homeostatic control mechanism?

Accepted Answer

Receptor, control center, effector

Question 8

Which anatomical plane divides the body into anterior and posterior sections?

Accepted Answer

Coronal (frontal) plane

Question 9

A surgeon makes a cut that separates the body into right and left halves. Which plane is this?

Accepted Answer

Sagittal plane

Question 10

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at sides, palms facing forward

Question 11

Which term describes a structure that is farther from the point of attachment to the trunk?

Accepted Answer

Distal

Question 12

Which of the following is NOT one of the four major tissue types in the human body?

Accepted Answer

Bone

Question 13

The cranial cavity and spinal cavity are separated by which structure?

Accepted Answer

Foramen magnum

Question 14

Which serous membrane surrounds the heart?

Accepted Answer

Pericardium

Question 15

Which abdominal region is located directly inferior to the umbilical region?

Accepted Answer

Hypogastric (pubic) region

Question 16

A patient is lying face down on an examination table. What is the correct anatomical term for this position?

Accepted Answer

Prone

Question 17

Which of the following best describes the function of the effector in a homeostatic control system?

Accepted Answer

Carries out the response to restore homeostasis

Question 18

Which of the following is a correct description of the transverse (horizontal) plane?

Accepted Answer

Divides the body into superior and inferior portions

Question 19

Which of the following is the correct formula for calculating the number of subatomic particles in an atom?

Accepted Answer

$$	ext{Number of subatomic particles} = 	ext{protons} + 	ext{neutrons} + 	ext{electrons}$$

Question 20

A patient has a stab wound that penetrates the parietal layer of the pericardium. Which organ is at risk?

Accepted Answer

Heart

Introduction to Anatomy and Physiology: Foundational Concepts and Terminology

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