Question 1

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

Accepted Answer

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

Question 2

A patient presents with a hiatal hernia, where part of the stomach protrudes through the diaphragm into the thoracic cavity. Which body cavity is directly affected by this condition?

Accepted Answer

Ventral body cavity

Question 3

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

Accepted Answer

Regulation of blood glucose by insulin

Question 4

A scientist is studying the microscopic structure of liver tissue. Which branch of anatomy is she using?

Accepted Answer

Histology

Question 5

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

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organismal

Question 6

A patient is unable to maintain a stable internal body temperature. Which requirement for life is most directly compromised?

Accepted Answer

Homeostasis

Question 7

Which of the following best describes the role of the effector in a homeostatic control system?

Accepted Answer

Provides the means to respond to the stimulus

Question 8

A surgeon makes a cut that divides the body into anterior and posterior parts. Which anatomical plane was used?

Accepted Answer

Frontal (coronal) plane

Question 9

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

Question 10

A patient has a stab wound that penetrates the parietal pleura but not the visceral pleura. Which organ is most at risk?

Accepted Answer

Lung

Question 11

Which of the following best explains why water is essential for survival?

Accepted Answer

It provides the watery environment necessary for chemical reactions.

Question 12

A patient is diagnosed with peritonitis. Which serous membrane is inflamed?

Accepted Answer

Peritoneum

Question 13

Which of the following scenarios best illustrates a positive feedback mechanism?

Accepted Answer

Formation of a platelet plug during blood clotting

Question 14

A patient is experiencing difficulty breathing due to low atmospheric pressure at high altitude. Which survival need is most directly affected?

Accepted Answer

Appropriate atmospheric pressure

Question 15

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

Accepted Answer

Medial

Question 16

A cross section of the body is made at a 90° angle to the vertical axis. Which plane is this?

Accepted Answer

Transverse (horizontal) plane

Question 17

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

Accepted Answer

Movement of body parts and substances

Question 18

A patient has a tumor in the right lower quadrant (RLQ) of the abdominopelvic cavity. Which organ is most likely affected?

Accepted Answer

Appendix

Question 19

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

Accepted Answer

It lubricates the movement of organs within the cavity.

Question 20

If the body's negative feedback mechanisms are overwhelmed and destructive positive feedback mechanisms take over, what is a likely consequence?

Accepted Answer

Heart failure

Anatomy & Physiology: The Human Body – An Orientation

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