Question 1

Which of the following correctly lists the levels of structural organization in the human body from simplest to most complex?

Accepted Answer

Atom, molecule, cell, tissue, organ, organ system, organism

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 presents with a homeostatic imbalance resulting in high blood glucose levels. Which organ system is most directly involved in correcting this imbalance?

Accepted Answer

Endocrine system

Question 4

Which of the following is NOT considered a survival need of the human body?

Accepted Answer

Vitamin D

Question 5

Homeostasis is best defined as:

Accepted Answer

The maintenance of a stable internal environment despite external changes

Question 6

Which feedback mechanism is most commonly used to maintain homeostasis in the human body?

Accepted Answer

Negative feedback

Question 7

A woman in labor experiences increasing contractions that intensify until delivery. This is an example of:

Accepted Answer

Positive feedback

Question 8

Which of the following best describes the anatomical position?

Accepted Answer

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

Question 9

Which plane divides the body into right and left parts?

Accepted Answer

Sagittal plane

Question 10

A patient has pain in the right lower quadrant (RLQ) of the abdominopelvic cavity. Which organ is most likely affected?

Accepted Answer

Appendix

Question 11

Which of the following is a functional characteristic necessary to maintain life?

Accepted Answer

Reproduction

Question 12

Which body cavity contains the heart and lungs?

Accepted Answer

Thoracic cavity

Question 13

Which membrane lines the walls of the thoracic cavity and covers the lungs?

Accepted Answer

Pleura

Question 14

Which organ system is responsible for removing nitrogenous wastes from the blood and regulating water balance?

Accepted Answer

Urinary system

Question 15

If a person is lying on their back facing upward, what is the anatomical term for this position?

Accepted Answer

Supine

Question 16

Which of the following best explains the relationship between homeostatic imbalance and disease?

Accepted Answer

Homeostatic imbalance increases the risk of disease

Question 17

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

Accepted Answer

Distal

Question 18

Which organ system includes the skin, hair, and nails, and serves as a barrier to protect the body?

Accepted Answer

Integumentary system

Question 19

A patient is experiencing difficulty breathing due to fluid accumulation in the pleural cavity. Which membrane is directly affected?

Accepted Answer

Pleura

Question 20

Which of the following is the correct formula for calculating body mass index (BMI)?

Accepted Answer

$$ BMI = \frac{weight\ (kg)}{height\ (m)^2$} $$

Anatomy & Physiology Unit 1: Structural Organization, Organ Systems, and Homeostasis

Study Guide - Practice Questions

Study Guide - Flashcards