Q: Which equation correctly represents the hydrolysis of ATP?

$$ATP \rightarrow ADP + P_i + \text{energy}$$

Question 1

Which principle explains why the structure of the alveoli in the lungs is essential for their function in gas exchange?

Accepted Answer

Principle of Complementarity

Question 2

Arrange the following levels of structural organization in order from simplest to most complex: organ, tissue, cellular, organism, chemical, organ system.

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organism

Question 3

A patient is unable to respond to stimuli due to nerve damage. Which necessary life function is most directly impaired?

Accepted Answer

Responsiveness (excitability)

Question 4

Which organ system is primarily responsible for regulating hormones in the body?

Accepted Answer

Endocrine

Question 5

A patient has a wound on the lateral side of their right leg. Where is the wound located?

Accepted Answer

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

Question 6

Which plane divides the body into equal left and right halves?

Accepted Answer

Median (midsagittal) plane

Question 7

Which serous membrane directly covers the lungs?

Accepted Answer

Visceral pleura

Question 8

Which of the following is NOT one of the four elements making up 96% of body mass?

Accepted Answer

Calcium (Ca)

Question 9

A sodium atom loses one electron to become a sodium ion. What is the charge and name of this ion?

Accepted Answer

Positive charge; cation

Question 10

Which type of chemical bond involves the sharing of electron pairs between atoms?

Accepted Answer

Covalent bond

Question 11

Given the reaction $$AB \rightarrow A + B$$, what type of chemical reaction is this and what process does it represent in metabolism?

Accepted Answer

Decomposition; catabolism

Question 12

Which property of water allows it to resist changes in temperature, helping maintain homeostasis in the human body?

Accepted Answer

High heat capacity

Question 13

A buffer in the blood helps maintain pH by resisting large changes. Which ion is a major buffer in the body?

Accepted Answer

Bicarbonate ion ($$HCO_3$$^-$$)

Question 14

Which functional group is found in all amino acids and is responsible for their acidic properties?

Accepted Answer

Carboxyl group ($$-COOH)$$

Question 15

Which carbohydrate is the main storage form of glucose in animals?

Accepted Answer

Glycogen

Question 16

A triglyceride molecule is formed by joining one glycerol and three fatty acids. What type of reaction is this?

Accepted Answer

Dehydration synthesis

Question 17

Which level of protein structure is characterized by alpha helices and beta sheets stabilized by hydrogen bonds?

Accepted Answer

Secondary structure

Question 18

Which of the following best describes the complementary base pairing in DNA?

Accepted Answer

$$A-T$$, $$G-C$$

Question 19

Which equation correctly represents the hydrolysis of ATP?

Accepted Answer

$$ATP ightarrow ADP + P_i + 	ext{energy}$$

Question 20

A patient is experiencing muscle cramps due to low potassium levels. Which element is most likely deficient?

Accepted Answer

K (potassium)

Anatomy & Physiology: Human Body Orientation and Chemistry Essentials

Guida di studio - Domande di pratica

Study guide - Flashcard