Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

Molecule, cell, tissue, organ, organ system

Question 3

Which of the following is NOT a major characteristic of life?

Accepted Answer

Decay

Question 4

A patient is unable to maintain a stable internal temperature when exposed to cold environments. Which requirement of organisms is most directly affected?

Accepted Answer

Homeostasis

Question 5

Which of the following best explains the importance of homeostasis to survival?

Accepted Answer

It maintains a stable internal environment necessary for proper cell function.

Question 6

A homeostatic mechanism typically involves which sequence of events?

Accepted Answer

Stimulus → Receptor → Control Center → Effector → Response

Question 7

Which organ is located in the thoracic cavity?

Accepted Answer

Lung

Question 8

The serous membrane that lines the abdominal cavity is called the:

Accepted Answer

Peritoneum

Question 9

Which of the following is a correct pairing of a major organ system and one of its primary organs?

Accepted Answer

Digestive system – Stomach

Question 10

Which of the following best describes the difference between a molecular formula and a structural formula?

Accepted Answer

A molecular formula shows the types and numbers of atoms, while a structural formula shows the arrangement of atoms.

Question 11

A solution has a hydrogen ion concentration of $$1 	imes 10$$^{-5}$$ M. What is its pH?

Accepted Answer

$$5$$

Question 12

Which of the following best describes the function of a buffer in biological systems?

Accepted Answer

It resists changes in pH when acids or bases are added.

Question 13

Which of the following is an example of an inorganic molecule commonly found in cells?

Accepted Answer

Water ($$H_2O)$$

Question 14

Which of the following statements correctly compares DNA and RNA?

Accepted Answer

DNA contains deoxyribose sugar, while RNA contains ribose sugar.

Question 15

Which of the following is NOT a function of the plasma membrane?

Accepted Answer

Synthesizing proteins

Question 16

A cell placed in a hypotonic solution will:

Accepted Answer

Gain water and swell

Question 17

Which organelle is primarily responsible for producing ATP in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 18

Which cytoskeletal structure is most directly involved in cell division (mitosis)?

Accepted Answer

Microtubules

Question 19

During which phase of the cell cycle does DNA replication occur?

Accepted Answer

S phase

Question 20

Which of the following best describes the difference between transcription and translation?

Accepted Answer

Transcription synthesizes mRNA from DNA; translation synthesizes protein from mRNA.

Anatomy & Physiology: Foundational Concepts and Learning Outcomes

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