Question 1

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

Accepted Answer

Anatomical structure determines physiological function; the way a body part is built enables its specific role.

Question 2

Arrange the following levels of structural organization in the human body from simplest to most complex: tissue, cell, organ, organism, organ system.

Accepted Answer

Cell, tissue, organ, organ system, organism

Question 3

Which organ system is primarily responsible for removing metabolic waste products such as urea from the body?

Accepted Answer

Urinary system

Question 4

A patient presents with a body temperature of 39°C. Which type of feedback mechanism is most likely to be activated to restore normal temperature?

Accepted Answer

Negative feedback, reducing the temperature back to set point

Question 5

Which of the following is an example of positive feedback in the human body?

Accepted Answer

Enhancement of labor contractions by oxytocin

Question 6

A person is standing upright, feet slightly apart, palms facing forward, and thumbs pointing away from the body. This describes which anatomical position?

Accepted Answer

Standard anatomical position

Question 7

Which directional term describes the relationship of the heart to the breastbone (sternum)?

Accepted Answer

Posterior

Question 8

Which body cavity protects the fragile nervous system organs and is subdivided into cranial and vertebral cavities?

Accepted Answer

Dorsal body cavity

Question 9

The serous membrane that lines the walls of the thoracic cavity is called the:

Accepted Answer

Parietal pleura

Question 10

Which of the following is NOT a necessary life function for humans?

Accepted Answer

Photosynthesis

Question 11

A patient has a wound on the lateral side of the right leg. Which anatomical description best locates the wound?

Accepted Answer

On the outer side of the right leg, away from the midline

Question 12

Which of the following best describes the function of the plasma membrane in maintaining boundaries?

Accepted Answer

It separates the cell's internal environment from the external environment.

Question 13

Which organ system is responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Cardiovascular system

Question 14

Which of the following is a survival need for the human body?

Accepted Answer

Oxygen

Question 15

A patient is experiencing homeostatic imbalance due to aging. Which of the following is a likely consequence?

Accepted Answer

Increased risk of disease and less efficient control systems

Question 16

Which of the following best describes the difference between negative and positive feedback mechanisms?

Accepted Answer

Negative feedback reduces or shuts off the original stimulus, while positive feedback enhances or exaggerates it.

Question 17

Which plane divides the body into right and left parts?

Accepted Answer

Sagittal plane

Question 18

Which abdominopelvic region contains the majority of the stomach?

Accepted Answer

Epigastric region

Question 19

Which of the following equations correctly represents cellular respiration, a necessary life function?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + ATP$$

Question 20

A patient has a deep wound on the posterior side of the trunk. Which anatomical description best locates the wound?

Accepted Answer

On the back, beneath the skin and closer to the internal organs

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

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