Q: Which equation correctly represents the hydrolysis of ATP to release energy?

$$\mathrm{ATP} + \mathrm{H}_2\mathrm{O} \rightarrow \mathrm{ADP} + \mathrm{P}_i + \text{energy}$$

Question 1

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

Accepted Answer

Anatomy studies the structure of body parts, while physiology studies how those parts function.

Question 2

Which of the following correctly lists the levels of organization in the human body from simplest to most complex?

Accepted Answer

Atom, molecule, cell, tissue, organ, organ system, organism

Question 3

Which organ system is primarily responsible for transporting nutrients, gases, and wastes throughout the body, and which organ is a key component of this system?

Accepted Answer

Circulatory system; heart

Question 4

A patient’s blood glucose level rises after a meal, triggering insulin release to lower glucose levels. This is an example of which type of feedback mechanism?

Accepted Answer

Negative feedback

Question 5

Which of the following best describes the anatomical position?

Accepted Answer

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

Question 6

Which of the following correctly matches a thoracic cavity subdivision with its contents?

Accepted Answer

Mediastinum – contains the heart, thymus, esophagus, and trachea

Question 7

Which abdominopelvic region is located directly inferior to the umbilical region?

Accepted Answer

Hypogastric (pubic) region

Question 8

Which statement about isotopes is correct?

Accepted Answer

Isotopes have the same number of protons but different numbers of neutrons.

Question 9

Which of the following best describes the difference between an anion and a cation?

Accepted Answer

An anion is a negatively charged ion, while a cation is positively charged.

Question 10

A solution has a pH of 4. Which of the following statements is true?

Accepted Answer

The solution is acidic and has a high concentration of H$$^+$$ ions.

Question 11

Which of the following is NOT a property of water that makes it vital for life?

Accepted Answer

It is a poor conductor of heat.

Question 12

Which of the following correctly matches a biomolecule with its monomer?

Accepted Answer

Carbohydrate – monosaccharide

Question 13

Which equation correctly represents the hydrolysis of ATP to release energy?

Accepted Answer

$$\mathrm{ATP} + \mathrm{H}_2\mathrm{O} ightarrow \mathrm{ADP} + \mathrm{P}_i + 	ext{energy}$$

Question 14

Which statement is part of the modern cell theory?

Accepted Answer

All living things are made of cells.

Question 15

Which of the following best describes the function of the Golgi apparatus in a cell?

Accepted Answer

Packages and modifies proteins for secretion

Question 16

Which of the following best describes the role of cholesterol in the plasma membrane?

Accepted Answer

It stabilizes the membrane and maintains fluidity.

Question 17

Which of the following is an example of active transport across the plasma membrane?

Accepted Answer

Sodium-potassium pump

Question 18

Which tissue type is specialized for contraction and movement?

Accepted Answer

Muscle tissue

Question 19

Which of the following is a property of connective tissue?

Accepted Answer

It supports, binds, and protects other tissues.

Question 20

Which of the following best distinguishes endocrine from exocrine glands?

Accepted Answer

Endocrine glands secrete hormones directly into the bloodstream; exocrine glands secrete their products onto epithelial surfaces via ducts.

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