Question 1

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

Accepted Answer

The heart's muscular walls allow it to pump blood efficiently throughout the body.

Question 2

A patient presents with severe pain due to inflammation of the serous membrane lining the abdominal cavity. Which condition is most likely responsible?

Accepted Answer

Peritonitis

Question 3

Which of the following is the correct order of structural organization in the human body from simplest to most complex?

Accepted Answer

Chemical level → Cellular level → Tissue level → Organ level → Organ system level → Organismal level

Question 4

A person is standing in the standard anatomical position. Which of the following statements is correct?

Accepted Answer

The palms are facing forward and the thumbs point away from the body.

Question 5

Which plane divides the body into anterior and posterior parts?

Accepted Answer

Frontal (coronal) plane

Question 6

Which of the following is an example of negative feedback in homeostatic regulation?

Accepted Answer

Regulation of blood glucose by insulin

Question 7

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

Accepted Answer

The serous membrane lining the thoracic cavity wall

Question 8

Which organ system is primarily responsible for eliminating nitrogenous wastes from the body?

Accepted Answer

Urinary system

Question 9

If a person’s body temperature rises above 37°C, which homeostatic mechanism is most likely to be activated?

Accepted Answer

Sweat glands increase secretion to cool the body (negative feedback)

Question 10

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

Accepted Answer

It decreases friction between organs as they move within the cavity.

Question 11

A patient is diagnosed with a tumor in the left lower quadrant (LLQ) of the abdominopelvic cavity. Which organ is most likely affected?

Accepted Answer

Descending colon

Question 12

Which directional term would best describe the position of the nose relative to the ears?

Accepted Answer

Medial

Question 13

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

Question 14

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

Accepted Answer

It provides the means to respond to the stimulus.

Question 15

A midsagittal section of the body would pass through which of the following structures?

Accepted Answer

Navel (umbilicus)

Question 16

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

Accepted Answer

Amplification of labor contractions by oxytocin

Question 17

Which of the following survival needs is most directly involved in cellular respiration?

Accepted Answer

Oxygen

Question 18

A patient has a deep laceration on the anterior surface of the forearm. Which anatomical terms best describe the location of the injury?

Accepted Answer

Anterior and distal

Question 19

Which organ system is responsible for protecting the body as a whole from the external environment?

Accepted Answer

Integumentary system

Question 20

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

Accepted Answer

Anatomy studies structure, and physiology studies function; structure determines function.

Chapter 1: The Human Body – An Orientation (Anatomy & Physiology Study Notes)

Study Guide - Practice Questions

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