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

A patient presents with dehydration. Which of the following best explains the physiological process of dehydration synthesis (condensation) reactions in the body?

Accepted Answer

Dehydration synthesis involves joining two molecules together by removing a molecule of water.

Question 3

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

Accepted Answer

Molecule → Cell → Tissue → Organ → Organ system → Organism

Question 4

A researcher is studying the difference between DNA and RNA. Which of the following statements is correct?

Accepted Answer

DNA contains deoxyribose sugar, while RNA contains ribose sugar.

Question 5

Which of the following best describes negative feedback in homeostatic regulation?

Accepted Answer

A process that reverses a change and returns the system to its set point.

Question 6

A patient has a cut on the lateral side of their right forearm. Which anatomical term best describes the location of the injury?

Accepted Answer

Lateral

Question 7

Which of the following is a function of the cell membrane?

Accepted Answer

Regulating the movement of substances into and out of the cell

Question 8

A patient is diagnosed with osteoporosis, a condition involving bone cells. Which cell type is primarily responsible for breaking down bone matrix?

Accepted Answer

Osteoclasts

Question 9

Which of the following best describes the function of mitochondria in a cell?

Accepted Answer

They generate ATP through cellular respiration.

Question 10

A patient is unable to sweat properly, leading to overheating. Which type of gland is most likely malfunctioning?

Accepted Answer

Eccrine (merocrine) sweat gland

Question 11

Which of the following best describes the role of macrophages in connective tissue?

Accepted Answer

They engulf and digest pathogens and debris.

Question 12

A patient has a nerve injury that affects the transmission of action potentials. Which part of the neuron is primarily responsible for transmitting the action potential away from the cell body?

Accepted Answer

Axon

Question 13

Which of the following equations correctly represents the hydrolysis of a disaccharide?

Accepted Answer

$C_{12}H_{22}O_{11} + H_2O \rightarrow 2C_6H_{12}O_6$

Question 14

A tissue sample is observed to have cells embedded in a solid matrix with calcium salts and collagen fibers. Which tissue type is this most likely to be?

Accepted Answer

Bone

Question 15

Which of the following is a characteristic of epithelial tissue?

Accepted Answer

It has a high rate of cell division.

Question 16

A patient is unable to repair damaged skin tissue efficiently. Which cell type is most directly involved in producing the fibers necessary for tissue repair?

Accepted Answer

Fibroblasts

Question 17

Which of the following best describes the function of the sodium-potassium pump in the plasma membrane?

Accepted Answer

It uses ATP to move sodium ions out of the cell and potassium ions into the cell.

Question 18

A patient has a tumor in the parietal region of the brain. Which anatomical landmark is closest to this region?

Accepted Answer

Parietal

Question 19

Which of the following best explains why muscle tissue is able to contract?

Accepted Answer

It contains actin and myosin filaments that slide past each other.

Question 20

A patient is experiencing difficulty with gas exchange in the lungs. Which tissue type is most directly involved in this process?

Accepted Answer

Simple squamous epithelium

Anatomy & Physiology: Foundational Concepts and Systems Study Guide

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