Q: Which of the following is the correct formula for calculating the number of neutrons in an atom?

$$\text{Number of neutrons} = \text{Atomic mass} - \text{Atomic number}$$

Question 1

Which organ system is primarily responsible for protecting the body from environmental hazards, regulating body temperature, and providing sensory information?

Accepted Answer

Integumentary system

Question 2

A patient presents with a deep cut on the lateral side of their right thigh. Which directional term best describes the location of the injury relative to the midline of the body?

Accepted Answer

Lateral

Question 3

Which plane divides the body into anterior and posterior sections?

Accepted Answer

Frontal (coronal) plane

Question 4

The heart is located within which body cavity?

Accepted Answer

Thoracic cavity

Question 5

Which abdominopelvic region contains the urinary bladder?

Accepted Answer

Hypogastric (pubic) region

Question 6

A transverse section through the body would cut through which of the following planes?

Accepted Answer

A plane dividing the body into superior and inferior portions

Question 7

Which serous membrane directly covers the surface of the lungs?

Accepted Answer

Visceral pleura

Question 8

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

Accepted Answer

$$	ext{Number of neutrons} = 	ext{Atomic mass} - 	ext{Atomic number}$$

Question 9

A solution with a pH of 3 is best described as:

Accepted Answer

Acidic

Question 10

Which of the following best describes the function of enzymes in biological systems?

Accepted Answer

They act as catalysts to speed up chemical reactions.

Question 11

Which organic molecule is primarily responsible for storing genetic information?

Accepted Answer

Nucleic acid

Question 12

A patient is experiencing difficulty with voluntary movement. Which organ system is most likely affected?

Accepted Answer

Muscular system

Question 13

Which of the following best describes the anatomical position?

Accepted Answer

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

Question 14

Which regional term refers to the anterior surface of the elbow?

Accepted Answer

Antecubital

Question 15

Which of the following is NOT a function of the skeletal system?

Accepted Answer

Hormone production

Question 16

A patient has a tumor located in the left lower quadrant (LLQ) of the abdominopelvic cavity. Which organ is most likely affected?

Accepted Answer

Descending colon

Question 17

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

Accepted Answer

Transports oxygen, nutrients, and wastes throughout the body

Question 18

Which directional term would best describe the position of the nose relative to the ears?

Accepted Answer

Medial

Question 19

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

Accepted Answer

Defense against infection and disease

Question 20

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

Accepted Answer

Supine

Introduction to Anatomy & Physiology: Body Organization, Anatomical Terms, and Organ Systems

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