Question 1

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

Accepted Answer

The structure of alveoli in the lungs provides a large surface area for efficient gas exchange.

Question 2

A physiologist is most likely to investigate which of the following scenarios?

Accepted Answer

Measuring the rate of glucose uptake by muscle cells during exercise.

Question 3

Which of the following correctly lists the levels of organization in the human body from smallest to largest?

Accepted Answer

Molecule, cell, tissue, organ, organism

Question 4

A patient with situs inversus has all their internal organs mirrored from their usual positions, but they function normally. This is an example of:

Accepted Answer

A variation of normal anatomy

Question 5

Which organ system is primarily responsible for rapid communication and integration using electrical signals?

Accepted Answer

Nervous system

Question 6

Which two organ systems are most directly responsible for transporting materials throughout the body?

Accepted Answer

Circulatory and lymphatic systems

Question 7

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

Accepted Answer

The body sweats to cool down when body temperature rises above the set point.

Question 8

If a person is exposed to cold temperatures and begins to shiver, which component of the negative feedback loop is responsible for generating heat?

Accepted Answer

Effector

Question 9

Which anatomical term describes a structure that is closer to the point of limb attachment to the trunk?

Accepted Answer

Proximal

Question 10

A transverse (horizontal) plane divides the body into:

Accepted Answer

Superior and inferior portions

Question 11

Which body cavity contains the heart and lungs?

Accepted Answer

Thoracic cavity

Question 12

Tenderness in the right lower quadrant (RLQ) of the abdomen is most likely associated with which condition?

Accepted Answer

Appendicitis

Question 13

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at the sides, palms facing forward

Question 14

Which directional term means 'toward the midline of the body'?

Accepted Answer

Medial

Question 15

Which anatomical region is immediately inferior to the umbilical region?

Accepted Answer

Hypogastric region

Question 16

Which of the following statements about positive and negative feedback loops is correct?

Accepted Answer

Negative feedback loops tend to return a system to a set-point, while positive feedback loops tend to move the system away from the set-point.

Question 17

Which plane would best show the structure of both lungs simultaneously?

Accepted Answer

Frontal (coronal) plane

Question 18

Which serous membrane must be cut to access the stomach during abdominal surgery?

Accepted Answer

Peritoneum

Question 19

Which of the following is the most lateral digit of the hand in anatomical position?

Accepted Answer

Pollex (thumb)

Question 20

A CT scan shows a section that divides the body into anterior and posterior parts. What type of section is this?

Accepted Answer

Frontal (coronal) section

Anatomy & Physiology: Key Concepts, Levels of Organization, and Anatomical Terms

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