Question 1

Which of the following best describes the principle of 'form follows function' as it applies to human anatomy?

Accepted Answer

The form of a structure is always such that it best suits its function.

Question 2

A patient is experiencing pain in the right lower quadrant (RLQ) of the abdominopelvic cavity. Which of the following organs is most likely involved?

Accepted Answer

Appendix

Question 3

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 4

A surgeon needs to make an incision that is deep to the skin and muscle but superficial to the bone in the left medial crural region. Which of the following best describes the location of this incision?

Accepted Answer

On the medial side of the left lower leg, between the knee and ankle, deep to skin and muscle but superficial to the tibia

Question 5

Which of the following best illustrates a negative feedback loop in human physiology?

Accepted Answer

Regulation of blood glucose, where insulin lowers blood sugar after a meal

Question 6

Which of the following statements about serous membranes is correct?

Accepted Answer

Serous fluid fills the space between the visceral and parietal layers, reducing friction.

Question 7

A CT scan is ordered to view a transverse section of the abdomen. Which plane of section is used in this imaging technique?

Accepted Answer

Transverse (horizontal) plane

Question 8

Which of the following is an example of a physiological gradient in the human body?

Accepted Answer

The difference in temperature between the skin and the body core

Question 9

Which directional term best describes the relationship of the heart to the lungs?

Accepted Answer

Medial

Question 10

A patient is scheduled for surgery to remove the left kidney. Due to a communication error, the right kidney is marked for removal. This is an example of:

Accepted Answer

A breakdown in communication leading to a medical error

Question 11

Which of the following best describes the function of effectors in a feedback loop?

Accepted Answer

Cause physiological responses that return the variable to normal

Question 12

Which of the following is NOT a characteristic shared by all living organisms?

Accepted Answer

Presence of a nervous system

Question 13

Which of the following best explains why vitamin D levels cannot be regulated by a feedback loop in the human body?

Accepted Answer

There are no receptors to detect changes in vitamin D levels.

Question 14

Which of the following best describes the anatomical position?

Accepted Answer

Body standing upright, feet shoulder-width apart, arms at sides, palms facing forward

Question 15

A wound is described as being 6 cm proximal to the tarsal region and 10 cm distal to the patellar region on the left medial crural region. Where is this wound located?

Accepted Answer

On the left lower leg, between the knee and ankle, on the medial side

Question 16

Which of the following is a correct statement about the body's internal environment and homeostasis?

Accepted Answer

Homeostasis involves maintaining variables within a narrow range around a set point.

Question 17

Which of the following best describes the difference between the midsagittal and parasagittal planes?

Accepted Answer

The midsagittal plane divides the body into equal right and left sections, while the parasagittal plane divides it into unequal sections.

Question 18

Which of the following is an example of cell communication in the human body?

Accepted Answer

A nerve cell releasing a chemical messenger that triggers a response in a muscle cell

Question 19

Which of the following best describes the function of serous fluid?

Accepted Answer

It acts as a lubricant to reduce friction between moving organs.

Question 20

A patient is lying on an operating table. The surgeon makes a cut that divides the body into anterior and posterior sections. Which plane of section is being used?

Accepted Answer

Coronal (frontal) plane

Introduction to Anatomy & Physiology: Core Concepts and Structural Organization

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