$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{energy}$$

$$\mathrm{ATP} + \mathrm{H_2O} \rightarrow \mathrm{ADP} + \mathrm{P_i} + \text{energy}$$

Question 1

Which of the following best describes the role of mitochondria in cellular metabolism?

Accepted Answer

They generate ATP through oxidative phosphorylation.

Question 2

A patient presents with a genetic mutation affecting collagen synthesis. Which tissue type is most likely to be compromised?

Accepted Answer

Connective tissue

Question 3

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

Accepted Answer

Synthesizing ATP for cellular energy

Question 4

A burn patient loses the epidermis and part of the dermis. Which type of burn is this classified as?

Accepted Answer

Second-degree burn

Question 5

Which equation correctly represents the process of aerobic cellular respiration?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} ightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{energy}$$

Question 6

Which organelle is primarily responsible for the synthesis of lipids and detoxification of drugs?

Accepted Answer

Smooth endoplasmic reticulum

Question 7

A patient with cystic fibrosis has a mutation in a membrane-bound protein. Which cellular process is most directly affected?

Accepted Answer

Active transport of ions

Question 8

Which type of epithelial tissue is best suited for absorption and secretion in the intestines?

Accepted Answer

Simple columnar epithelium

Question 9

Which of the following best explains why skin is able to resist abrasion and water loss?

Accepted Answer

Keratinization of the epidermal cells

Question 10

A patient is diagnosed with melanoma. Which cell type is primarily affected?

Accepted Answer

Melanocytes

Question 11

Which of the following best describes facilitated diffusion across the plasma membrane?

Accepted Answer

Movement of molecules down their concentration gradient via a transport protein

Question 12

Which connective tissue fiber provides the greatest tensile strength?

Accepted Answer

Collagen fibers

Question 13

A patient with Marfan syndrome has a defect in fibrillin, affecting which connective tissue fiber?

Accepted Answer

Elastic fibers

Question 14

Which of the following is a function of the integumentary system?

Accepted Answer

Regulation of body temperature

Question 15

Which equation represents the hydrolysis of ATP?

Accepted Answer

$$\mathrm{ATP} + \mathrm{H_2O} ightarrow \mathrm{ADP} + \mathrm{P_i} + 	ext{energy}$$

Question 16

Which of the following best describes the function of gap junctions in cardiac muscle?

Accepted Answer

They allow direct electrical and chemical communication between adjacent cells.

Question 17

A patient with a deficiency in vitamin D is most likely to experience which skeletal problem?

Accepted Answer

Rickets

Question 18

Which of the following best explains the role of osteoclasts in bone remodeling?

Accepted Answer

They resorb bone by secreting acids and enzymes.

Question 19

Which hormone is responsible for increasing blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone

Question 20

A patient with a mutation in the gene encoding for sodium-potassium ATPase would most likely have problems with which cellular process?

Accepted Answer

Active transport of ions across the plasma membrane

Essential Study Notes for Anatomy & Physiology: Cell Biology, Tissues, Integumentary System, and Skeletal System

Study Guide - Practice Questions