Question 1

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

Accepted Answer

The function of a body part is dependent on its structure, and the structure is shaped by its function.

Question 2

A patient is unable to maintain a stable body temperature in a cold environment. Which physiological process is most likely impaired?

Accepted Answer

Homeostasis

Question 3

Which of the following is the correct order of organization from smallest to largest in the human body?

Accepted Answer

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

Question 4

Which equation correctly represents the breakdown of glucose during cellular respiration to produce ATP?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + ATP$$

Question 5

A cell is placed in a solution and water moves into the cell, causing it to swell. What type of solution is the cell in?

Accepted Answer

Hypotonic

Question 6

Which of the following best explains why oxygen is necessary for cellular respiration?

Accepted Answer

Oxygen is the final electron acceptor in the electron transport chain, allowing ATP production.

Question 7

Which of the following statements about the plasma membrane is correct?

Accepted Answer

It is a double layer of phospholipids with embedded proteins.

Question 8

A nerve cell transmits an electrical signal from the brain to the hand. Which property of living systems does this best illustrate?

Accepted Answer

Responsiveness

Question 9

Which of the following is a function of the mitochondria in a cell?

Accepted Answer

ATP production through cellular respiration

Question 10

Which of the following best describes active transport across a cell membrane?

Accepted Answer

Movement of solutes from low to high concentration using ATP

Question 11

A patient has a genetic mutation that prevents the formation of tight junctions in their epithelial cells. Which of the following is a likely consequence?

Accepted Answer

Substances will leak between the cells, compromising tissue integrity.

Question 12

Which of the following is the correct definition of homeostasis?

Accepted Answer

The ability of the body to maintain a stable internal environment despite changes in the external environment.

Question 13

Which of the following best describes the difference between hydrophilic and hydrophobic molecules?

Accepted Answer

Hydrophilic molecules dissolve in water, hydrophobic molecules repel water.

Question 14

Which organelle is responsible for packaging proteins and lipids received from the rough endoplasmic reticulum and sending them out of the cell?

Accepted Answer

Golgi apparatus

Question 15

A scientist observes a cell that lacks a nucleus and most organelles. Which type of cell is this most likely to be?

Accepted Answer

Prokaryotic cell

Question 16

Which of the following is a correct statement about enzymes?

Accepted Answer

Enzymes speed up chemical reactions by lowering activation energy.

Question 17

Which of the following best describes the function of lysosomes?

Accepted Answer

Digest and break down bacteria and cellular debris

Question 18

A cell is observed to be actively engulfing bacteria. Which process is this cell using?

Accepted Answer

Phagocytosis

Question 19

Which of the following is a major function of the rough endoplasmic reticulum (RER)?

Accepted Answer

Protein synthesis and modification

Question 20

A patient is unable to regulate their blood sugar levels due to a malfunction in feedback mechanisms. Which type of feedback is most likely impaired?

Accepted Answer

Negative feedback

Fundamentals of Anatomy & Physiology: Structured Study Notes

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