Question 1

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

Accepted Answer

Atoms, Molecules, Organelles, Cells, Tissues, Organs, Organ System, Organism

Question 2

A patient has a deep laceration on the anterior side of the thigh. Which directional terms best describe the location of the injury?

Accepted Answer

Anterior and deep

Question 3

Which organ system is primarily responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Cardiovascular system

Question 4

During childbirth, uterine contractions intensify as the baby's head pushes against the cervix, which stimulates more contractions. This is an example of:

Accepted Answer

Positive feedback

Question 5

Which of the following pairs of organs belong to the digestive system?

Accepted Answer

Stomach and rectum

Question 6

If a receptor detects a decrease in body temperature, which sequence best describes the homeostatic response?

Accepted Answer

Receptor → Control Center → Effector → Shivering begins

Question 7

Which directional term describes a structure that is farther from the origin of a limb than another structure?

Accepted Answer

Distal

Question 8

A person suffers damage to the pituitary gland. Which organ system is directly affected?

Accepted Answer

Endocrine system

Question 9

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

Accepted Answer

Picks up fluid leaked from blood vessels and returns it to blood

Question 10

Which organelle is responsible for producing ATP, the energy currency of the cell?

Accepted Answer

Mitochondrion

Question 11

A patient has a superficial abrasion on the lateral side of the forearm. Which statement best describes the location?

Accepted Answer

Near the surface, away from the midline of the body

Question 12

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Regulates blood pressure

Question 13

Which feedback mechanism is most likely to maintain blood glucose levels within a narrow range after a meal?

Accepted Answer

Negative feedback

Question 14

If the heart is superior to the stomach, which statement is true?

Accepted Answer

The heart is above the stomach

Question 15

Which two organs are part of the urinary system?

Accepted Answer

Kidney and urethra

Question 16

A person is experiencing rapid blood loss due to a cut. Which feedback mechanism is activated to help stop the bleeding?

Accepted Answer

Positive feedback involving platelet activation

Question 17

Which directional term describes a structure closer to the body surface?

Accepted Answer

Superficial

Question 18

Which organ system is responsible for producing movement and maintaining posture?

Accepted Answer

Muscular system

Question 19

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

Accepted Answer

Receives input from the receptor and determines the appropriate response

Question 20

A person is standing in anatomical position. Which statement is true?

Accepted Answer

Feet are together and arms are at the sides with palms facing forward

Introduction to Anatomy and Physiology: Structural Organization, Organ Systems, Homeostasis, and Directional Terms

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