Question 1

Which of the following best describes the principle of complementarity of structure and function in human anatomy and physiology?

Accepted Answer

Function always reflects structure; what a structure can do depends on its specific form.

Question 2

A patient is experiencing difficulty with oxygen transport in the blood. Which organ system is most directly responsible for this function?

Accepted Answer

Cardiovascular system

Question 3

Which of the following best illustrates a negative feedback mechanism in the human body?

Accepted Answer

Regulation of body temperature by sweating when overheated

Question 4

A person is standing in the standard anatomical position. Which of the following statements is correct?

Accepted Answer

The feet are together and the arms are at the sides with palms facing forward.

Question 5

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

Accepted Answer

Medial

Question 6

A transverse (horizontal) plane divides the body into which of the following?

Accepted Answer

Superior and inferior parts

Question 7

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

Accepted Answer

Protecting deeper tissues from injury and synthesizing vitamin D

Question 8

A patient has a tumor in the dorsal body cavity. Which organ could be directly affected?

Accepted Answer

Brain

Question 9

Which of the following best describes the function of serous membranes in the ventral body cavity?

Accepted Answer

They secrete a lubricating fluid to reduce friction between organs.

Question 10

A patient is diagnosed with a disease that disrupts homeostasis by overwhelming negative feedback mechanisms, leading to a dangerous positive feedback loop. Which real-life scenario best matches this description?

Accepted Answer

Heart failure resulting from uncontrolled positive feedback

Question 11

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

Accepted Answer

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

Question 12

A patient presents with a stab wound that penetrates the skin and underlying skeletal muscle. Which directional terms best describe the relationship of the skeletal muscle to the skin?

Accepted Answer

Deep to the skin

Question 13

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

Accepted Answer

Eliminates nitrogenous wastes and regulates water, electrolyte, and acid-base balance

Question 14

A patient is experiencing difficulty with movement of substances through the digestive tract. Which type of muscle tissue is most likely involved?

Accepted Answer

Smooth muscle

Question 15

Which of the following is a real-world example of the body maintaining homeostasis through a negative feedback mechanism?

Accepted Answer

Blood glucose levels rise after eating; insulin is released to lower blood glucose.

Question 16

Which anatomical plane would be used to separate the body into anterior and posterior sections for an MRI scan?

Accepted Answer

Frontal (coronal) plane

Question 17

A patient is found to have a tumor in the abdominopelvic cavity. Which of the following organs could be affected?

Accepted Answer

Liver

Question 18

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

Accepted Answer

Picks up fluid leaked from blood vessels and houses white blood cells involved in immunity

Question 19

A patient is experiencing numbness and loss of sensation in the skin. Which cell type in the integumentary system is most likely affected?

Accepted Answer

Tactile (Merkel) cells

Question 20

Which of the following is the correct formula for calculating the percent grade in this course, according to the syllabus?

Accepted Answer

Divide total points earned by total points possible, then multiply by 100.

Directional Terms and Body Regions – Study Guidance

Study Guide - Practice Questions

Study Guide - Flashcards