Question 1

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

Accepted Answer

The function of a body part depends on its specific structure, and structure is adapted to perform specific functions.

Question 2

A patient is unable to maintain a stable internal temperature after exposure to cold weather. Which functional characteristic necessary to maintain life is most directly impaired?

Accepted Answer

Homeostasis

Question 3

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

Accepted Answer

Blood clotting after a vessel injury

Question 4

Which of the following best describes the anatomical position?

Accepted Answer

Standing erect, facing forward, arms at sides, palms facing forward

Question 5

A transverse (horizontal) plane divides the body into which of the following sections?

Accepted Answer

Superior and inferior

Question 6

Which of the following organs is located in the right upper quadrant (RUQ) of the abdominopelvic cavity?

Accepted Answer

Liver

Question 7

Which serous membrane directly covers the surface of the lungs?

Accepted Answer

Visceral pleura

Question 8

Which of the following best defines an isotope?

Accepted Answer

An atom with a different number of neutrons

Question 9

Which four elements make up approximately 96% of the human body’s mass?

Accepted Answer

Oxygen, carbon, hydrogen, nitrogen

Question 10

Which of the following best describes a covalent bond?

Accepted Answer

A bond formed by the sharing of electron pairs between atoms

Question 11

A solution with a pH of 3 is how many times more acidic than a solution with a pH of 6? Use the formula $$	ext{Difference} = 10$$^{|pH_1 - pH_2|}$$.

Accepted Answer

$$1000$$

Question 12

Which of the following best describes the process of hydrolysis?

Accepted Answer

The addition of water to break a bond in a molecule

Question 13

Which of the following is a correct comparison between DNA and RNA?

Accepted Answer

DNA is usually double-stranded, while RNA is usually single-stranded.

Question 14

Which of the following best explains why water is essential for homeostasis in the human body?

Accepted Answer

Water helps regulate body temperature and is the medium for most biochemical reactions.

Question 15

Which of the following is an example of an anabolic reaction?

Accepted Answer

The synthesis of proteins from amino acids

Question 16

A patient is experiencing muscle cramps due to an electrolyte imbalance. Which type of compound is most directly involved in this scenario?

Accepted Answer

Salts

Question 17

Which of the following best describes the tertiary structure of a protein?

Accepted Answer

The overall three-dimensional shape of a single polypeptide chain

Question 18

Which of the following statements about enzymes is correct?

Accepted Answer

Enzymes are specific to the substrates they bind and lower the activation energy of reactions.

Question 19

Which of the following best describes the function of ATP in the cell?

Accepted Answer

ATP provides energy for cellular processes by releasing a phosphate group.

Question 20

A patient is diagnosed with metabolic acidosis. Which of the following pH values would most likely be observed in their blood? Use the formula $$pH = -\log_{10}[H^+].$$

Accepted Answer

$$7.25$$

Fundamental Concepts in Anatomy, Physiology, and Body Chemistry

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