Question 1

Which of the following best describes the role of a control center in a homeostatic feedback system?

Accepted Answer

It receives input from receptors, processes the information, and sends output to effectors.

Question 2

A patient is experiencing a fever. Which feedback mechanism is most likely responsible for returning their body temperature to normal?

Accepted Answer

Negative feedback

Question 3

Which anatomical term correctly describes the position of the nose relative to the ears?

Accepted Answer

Medial

Question 4

A surgeon needs to access the pericardial cavity. Which serous membrane will they encounter first?

Accepted Answer

Parietal pericardium

Question 5

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

Accepted Answer

Anatomy studies the structure of the heart; physiology studies how the heart pumps blood.

Question 6

Which equation best represents the relationship between catabolism and anabolism in metabolism?

Accepted Answer

$$Catabolism + Anabolism = Metabolism$$

Question 7

A cell is placed in a hypotonic solution. What is the most likely outcome?

Accepted Answer

The cell will swell as water enters.

Question 8

Which of the following is the most abundant protein in the human body?

Accepted Answer

Collagen

Question 9

Which type of cellular junction prevents the passage of substances between adjacent cells?

Accepted Answer

Tight junctions

Question 10

Which property of water is most important for maintaining body temperature homeostasis?

Accepted Answer

High heat capacity

Question 11

A cell uses ATP to move sodium ions against their concentration gradient. Which process is this an example of?

Accepted Answer

Active transport

Question 12

Which of the following best describes the function of smooth endoplasmic reticulum (ER)?

Accepted Answer

Lipid synthesis and detoxification

Question 13

Which equation correctly represents the breakdown of ATP during cellular work?

Accepted Answer

$$ATP \rightarrow ADP + P_i + Energy$$

Question 14

A patient with cancer has cells dividing rapidly. Which cellular structure is most directly involved in this process?

Accepted Answer

Centrosome

Question 15

Which of the following best explains why phospholipids are important in cell membranes?

Accepted Answer

They form a bilayer that creates a selective barrier.

Question 16

Which process is responsible for the movement of water across a semipermeable membrane?

Accepted Answer

Osmosis

Question 17

Which cellular extension is primarily responsible for moving mucus along the surface of respiratory epithelial cells?

Accepted Answer

Cilia

Question 18

Which of the following is a correct statement about isotonic solutions?

Accepted Answer

Cells placed in isotonic solutions will maintain their normal shape.

Question 19

Which of the following is NOT a function of proteins in the body?

Accepted Answer

Storing genetic information

Question 20

A cell engulfs a bacterium by surrounding it with its plasma membrane and forming a vesicle. Which process is this?

Accepted Answer

Phagocytosis

Fundamental Concepts in Anatomy & Physiology: Study Guide

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