Question 1

Which of the following organs is located in the posterior (dorsal) body cavity?

Accepted Answer

Brain

Question 2

During a surgical procedure, a physician must cut through the serous membrane that lines the abdominal cavity but does not cover the organs. Which membrane is being cut?

Accepted Answer

Parietal peritoneum

Question 3

Which of the following best describes the function of serous fluid?

Accepted Answer

It lubricates the movement of organs within body cavities.

Question 4

A patient with pericarditis experiences sharp chest pain. Which of the following best explains why?

Accepted Answer

The pericardium contains many nerve endings that provide feedback relating to organ movement.

Question 5

Which of the following is NOT a component of the cytoskeleton in eukaryotic cells?

Accepted Answer

Tight junctions

Question 6

Which organelle is primarily responsible for synthesizing ATP through cellular respiration?

Accepted Answer

Mitochondrion

Question 7

Which of the following best describes the pathway for a newly synthesized protein to be secreted from a cell?

Accepted Answer

Rough ER $$\rightarrow$$ Golgi apparatus $$\rightarrow$$ Transport vesicle $$\rightarrow$$ Cell membrane

Question 8

Which of the following features of simple squamous epithelium makes it ideal for rapid diffusion?

Accepted Answer

It is a single layer of thin, flat cells.

Question 9

Which of the following statements about biological membranes is correct?

Accepted Answer

They are composed mainly of phospholipids and proteins.

Question 10

Which of the following cell junctions allows direct cytoplasmic communication between adjacent animal cells?

Accepted Answer

Gap junctions

Question 11

Which of the following is a function of the Golgi apparatus?

Accepted Answer

Modifying, sorting, and packaging proteins for secretion

Question 12

Which of the following is true regarding the structure of mitochondria?

Accepted Answer

They have a double membrane and their own DNA.

Question 13

Which of the following best describes the function of lysosomes?

Accepted Answer

They digest cellular debris and foreign substances.

Question 14

Which of the following is a characteristic of epithelial tissue?

Accepted Answer

It is avascular but innervated.

Question 15

Which of the following is the correct order of genetic material organization in a dividing cell from smallest to largest?

Accepted Answer

DNA $$\rightarrow$$ Chromatin $$\rightarrow$$ Chromosome

Question 16

Which of the following is a primary function of simple cuboidal epithelium?

Accepted Answer

Absorption and secretion

Question 17

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

Accepted Answer

Making up the majority of the phospholipid bilayer

Question 18

Which of the following best explains why tight junctions are important in the small intestine?

Accepted Answer

They prevent substances from leaking between cells, allowing for selective permeability.

Question 19

Which of the following is the thinnest type of epithelial tissue?

Accepted Answer

Simple squamous epithelium

Question 20

Which of the following organelles is involved in protein synthesis?

Accepted Answer

Ribosome

Compartmentation: Cells and Tissues – Study Notes for Anatomy & Physiology

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