Question 1

Which of the following best describes the main focus of physiology?

Accepted Answer

The study of the function of the body and its parts

Question 2

A patient is experiencing a rapid drop in blood glucose levels. Which type of feedback mechanism is most likely to be activated to restore homeostasis?

Accepted Answer

Negative feedback, which will increase blood glucose

Question 3

Which of the following best defines homeostasis?

Accepted Answer

The maintenance of relatively stable internal conditions despite continuous changes in the environment

Question 4

A woman is in labor and the release of oxytocin causes stronger uterine contractions, which in turn cause more oxytocin to be released. This is an example of:

Accepted Answer

Positive feedback

Question 5

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

Accepted Answer

Medial

Question 6

A patient has a wound on the anterior surface of the forearm. Which of the following best describes the location of the wound?

Accepted Answer

On the front of the forearm

Question 7

Which plane divides the body into right and left parts?

Accepted Answer

Sagittal plane

Question 8

A radiologist wants to view both lungs in a single image. Which anatomical plane should be used for the X-ray?

Accepted Answer

Coronal (frontal) plane

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 has a tumor located in the pericardial cavity. Which organ is directly affected?

Accepted Answer

Heart

Question 11

Which of the following is a consequence of homeostatic imbalance?

Accepted Answer

Increased risk of disease

Question 12

If a person is standing in the standard anatomical position, which of the following is true?

Accepted Answer

Body is erect, feet slightly apart, and palms facing forward

Question 13

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

Accepted Answer

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

Question 14

A surgeon makes a cut that separates the body into superior and inferior parts. Which plane was used?

Accepted Answer

Transverse (horizontal) plane

Question 15

Which of the following is an example of a negative feedback mechanism?

Accepted Answer

Regulation of body temperature

Question 16

If the thumb is lateral to the little finger, which directional term best describes the position of the thumb?

Accepted Answer

Lateral

Question 17

Which of the following best describes the pleura?

Accepted Answer

A serous membrane that surrounds the lungs

Question 18

A patient is lying on an operating table, and the surgeon needs to access the liver. Which cavity will the surgeon enter?

Accepted Answer

Abdominopelvic cavity

Question 19

Which of the following statements about serous membranes is correct?

Accepted Answer

The parietal layer lines the cavity wall, and the visceral layer covers the organ

Question 20

A patient has a stab wound that penetrates the parietal peritoneum but not the visceral peritoneum. Which structure has been affected?

Accepted Answer

The outer lining of the abdominal cavity

Introduction to Human Anatomy & Physiology: Orientation, Terminology, and Homeostasis

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