Question 1

Which of the following best illustrates the principle of complementarity of structure and function?

Accepted Answer

The heart's muscular walls allow it to pump blood efficiently throughout the body.

Question 2

A patient presents with a fever and reports feeling tired. According to medical terminology, which of the following is correct?

Accepted Answer

Fever is a sign, and tiredness is a symptom.

Question 3

Which sectional plane would best separate the body into anterior and posterior portions?

Accepted Answer

Frontal (coronal) plane

Question 4

Which of the following is an example of negative feedback in homeostatic regulation?

Accepted Answer

Sweating to reduce body temperature when overheated

Question 5

A patient has a tumor located in the left hypochondriac region. Which organ is most likely affected?

Accepted Answer

Spleen

Question 6

Which of the following best describes the function of serous fluid in body cavities?

Accepted Answer

It moistens membranes and reduces friction between organs.

Question 7

Which organ system is primarily responsible for eliminating metabolic wastes from the body?

Accepted Answer

Urinary system

Question 8

A midsagittal section of the body would pass through which of the following structures?

Accepted Answer

Nasal cavity

Question 9

Which of the following best describes autoregulation in homeostatic control?

Accepted Answer

A local tissue automatically adjusts its activity in response to environmental change.

Question 10

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

Accepted Answer

Chemical → Cellular → Tissue → Organ → Organ system → Organism

Question 11

A patient is lying face up on an examination table. Which anatomical term best describes this position?

Accepted Answer

Supine

Question 12

Which of the following best describes the role of the control center in a homeostatic regulatory mechanism?

Accepted Answer

It receives and processes information from the receptor and sends out commands.

Question 13

Which of the following is an example of positive feedback?

Accepted Answer

Amplification of blood clotting after vessel injury

Question 14

Which directional term would best describe the relationship of the heart to the lungs?

Accepted Answer

Medial

Question 15

A cross-section through the abdomen at the level of the umbilicus would be made in which anatomical plane?

Accepted Answer

Transverse (horizontal) plane

Question 16

Which of the following organs is located in the retroperitoneal space?

Accepted Answer

Kidney

Question 17

Which of the following best describes the function of the pericardial cavity?

Accepted Answer

It surrounds and protects the heart.

Question 18

Which of the following is a function of the lymphatic system in homeostatic regulation?

Accepted Answer

Elimination, destruction, or inactivation of toxins and pathogens

Question 19

A patient with a ruptured urinary bladder would most likely have fluid accumulating in which anatomical space?

Accepted Answer

Infraperitoneal space

Question 20

Which of the following best explains why failure to maintain homeostasis can lead to disease?

Accepted Answer

Physiological systems are unable to keep internal conditions within normal ranges, disrupting equilibrium.

Chapter 1: An Introduction to Anatomy and Physiology – Study Notes

Study Guide - Practice Questions