Question 1

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

Accepted Answer

Anatomy is the study of body structure, and physiology is the study of body function.

Question 2

Which of the following is the correct order of the six structural levels of organization in the human body, from simplest to most complex?

Accepted Answer

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

Question 3

A patient presents with a stab wound to the left side of the chest. Which body cavity is most likely affected?

Accepted Answer

Left pleural cavity

Question 4

Which directional term best describes the position of the heart relative to the lungs?

Accepted Answer

Medial

Question 5

A midsagittal section of the brain divides it into which of the following?

Accepted Answer

Equal right and left halves

Question 6

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

Accepted Answer

Protects the body from the external environment

Question 7

A student is asked to locate the umbilical region. Which of the following best describes its location?

Accepted Answer

Medial to the right and left lumbar regions

Question 8

Which of the following is an example of negative feedback in homeostasis?

Accepted Answer

Shivering to increase body temperature when cold

Question 9

In the homeostatic control of blood CO$$_2$$ levels, which structure acts as the effector?

Accepted Answer

Respiratory muscles (diaphragm and intercostals)

Question 10

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

Accepted Answer

Returns excess tissue fluid to the cardiovascular system and provides immunity

Question 11

A patient has a tumor in the mediastinum. Which organ could be directly affected?

Accepted Answer

Heart

Question 12

Which of the following is the correct formula for calculating the average body temperature from a set of measurements $$T_1$$, $$T_2$$, ..., T_n$$?

Accepted Answer

$$\displaystyle \frac{T_1$ + T_2$ + ... + T_n}{n}$$

Question 13

Which of the following is an example of extrinsic regulation?

Accepted Answer

The nervous system increasing heart rate during exercise

Question 14

Which plane divides the body into superior and inferior sections?

Accepted Answer

Transverse (horizontal) plane

Question 15

Which of the following is NOT a characteristic of living organisms?

Accepted Answer

Inability to respond to stimuli

Question 16

A patient is unable to sweat due to a genetic disorder. Which part of the homeostatic control system for temperature regulation is directly affected?

Accepted Answer

Effector

Question 17

Which of the following best describes positive feedback?

Accepted Answer

The response of the effector amplifies the stimulus

Question 18

Which of the following is the correct set point for normal arterial CO$$_2$$ levels in humans?

Accepted Answer

$$35-45$$ mmHg

Question 19

Which of the following is the proper way to quote when answering case study questions in this course?

Accepted Answer

Paraphrase and provide MLA/APA reference

Question 20

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

Accepted Answer

Removes metabolic wastes from the blood and regulates fluid, electrolyte, and acid-base balance

Introduction to Anatomy and Physiology: Core Concepts and Systems

Study Guide - Practice Questions