Question 1

Which body cavity contains the heart and lungs, and which contains the spinal cord?

Accepted Answer

The thoracic cavity contains the heart and lungs; the vertebral cavity contains the spinal cord.

Question 2

Homeostasis is best defined as:

Accepted Answer

The maintenance of a stable internal environment despite external changes.

Question 3

What is the study of large body structures visible to the naked eye called?

Accepted Answer

Gross anatomy

Question 4

Which of the following lists the correct major cavities of the human body?

Accepted Answer

Cranial, thoracic, abdominal, pelvic, vertebral

Question 5

What is the smallest unit of living things that can carry out all life processes?

Accepted Answer

Cell

Question 6

Which of the following is NOT a functional characteristic of life?

Accepted Answer

Evaporation

Question 7

Which organ is part of the cardiovascular system?

Accepted Answer

Heart

Question 8

Metabolism is best described as:

Accepted Answer

All chemical reactions that occur within the body.

Question 9

Approximately what percentage of the human body is made up of water?

Accepted Answer

60-80\%

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

The diaphragm separates which two major body cavities?

Accepted Answer

Thoracic and abdominal cavities

Question 12

Which of the following best represents the chemical level of structural organization in the human body?

Accepted Answer

Atoms and molecules

Question 13

Which of the following is a primary function of the digestive system?

Accepted Answer

Breakdown and absorption of nutrients

Question 14

Which abdominal quadrant contains the stomach, and which contains the liver?

Accepted Answer

The stomach is primarily in the left upper quadrant (LUQ); the liver is primarily in the right upper quadrant (RUQ).

Question 15

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

Accepted Answer

Blood clotting after injury

Question 16

Which of the following best describes the main purpose of negative feedback in the body?

Accepted Answer

To maintain homeostasis by reversing a change from the set point.

Question 17

A patient is experiencing excessive sweating during exercise. Which system is primarily responsible for excreting salt in perspiration?

Accepted Answer

Integumentary system

Question 18

Which of the following best describes an oblique cut?

Accepted Answer

A cut made at an angle between the horizontal and vertical planes.

Question 19

A patient is unable to absorb nutrients from food due to a malfunctioning organ system. Which system is most likely affected?

Accepted Answer

Digestive system

Question 20

A person is exposed to cold temperatures, causing their body temperature to drop. Which feedback mechanism is activated, and what is the physiological response?

Accepted Answer

Negative feedback; shivering increases to generate heat.

Introduction to Anatomy & Physiology: Study Guide

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