Question 1

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

Accepted Answer

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

Question 2

A patient is experiencing dehydration. Which type of chemical reaction is primarily responsible for breaking down large biomolecules into smaller units during this process?

Accepted Answer

Hydrolysis

Question 3

Which of the following best describes the difference between polar and nonpolar covalent bonds?

Accepted Answer

Polar covalent bonds share electrons unequally, resulting in partial charges, while nonpolar covalent bonds share electrons equally.

Question 4

Which of the following is a function of proteins in the human body?

Accepted Answer

Catalyzing biochemical reactions as enzymes

Question 5

A molecule of glucose ($$C_6H_{12}O_6$) is broken down in the presence of oxygen to produce carbon dioxide, water, and energy. Which type of reaction is this?

Accepted Answer

Decomposition reaction

Question 6

Which of the following best explains why water is considered a polar molecule?

Accepted Answer

It has a bent shape and unequal sharing of electrons between hydrogen and oxygen.

Question 7

A patient is diagnosed with a genetic disorder caused by a mutation in their DNA. Which of the following best describes the structure of DNA?

Accepted Answer

A double helix composed of nucleotides with a sugar-phosphate backbone

Question 8

Which of the following best describes the function of ATP in cellular metabolism?

Accepted Answer

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

Question 9

Which of the following statements about enzymes is correct?

Accepted Answer

Enzymes lower the activation energy required for a reaction to occur.

Question 10

A solution contains $$[H^+] = 1 	imes 10$$^{-4}$$ M. What is the pH of this solution?

Accepted Answer

$$4$$

Question 11

Which of the following best describes the difference between organic and inorganic compounds?

Accepted Answer

Organic compounds contain carbon-hydrogen bonds, while inorganic compounds generally do not.

Question 12

A patient is given a radioactive isotope for imaging. Which property of isotopes makes them useful in medical diagnostics?

Accepted Answer

They emit radiation that can be detected by imaging equipment.

Question 13

Which of the following best describes the role of buffers in the human body?

Accepted Answer

Buffers maintain pH by neutralizing excess acids or bases.

Question 14

Which of the following is a correct statement about dehydration synthesis?

Accepted Answer

It forms polymers from monomers by removing a molecule of water.

Question 15

Which of the following best explains why carbon is so important in organic molecules?

Accepted Answer

Carbon can form up to four covalent bonds, allowing for a variety of complex structures.

Question 16

A patient has a mutation that affects the structure of their cell membranes. Which component is most likely affected?

Accepted Answer

Phospholipids

Question 17

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

Accepted Answer

The structure of a body part determines its function.

Question 18

Which of the following is a correct pairing of a macromolecule and its monomer?

Accepted Answer

Carbohydrate – Monosaccharide

Question 19

A patient is unable to digest lactose due to a deficiency in the enzyme lactase. Which type of macromolecule is lactase?

Accepted Answer

Protein

Question 20

Which of the following best describes the function of mitochondria in human cells?

Accepted Answer

They produce ATP through cellular respiration.

Foundations of Anatomy & Physiology: Structural Organization, Chemistry, and Biomolecules

Guida di studio - Domande di pratica

Study guide - Flashcard