Question 1

When cancer cells spread from their original tissue to other parts of the body via blood or lymph, what is this process called?

Accepted Answer

Metastasis

Question 2

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

Accepted Answer

Producing enzymes between cells

Question 3

A cell membrane is selectively permeable. Which of the following best describes this property?

Accepted Answer

It allows some substances to pass while restricting others.

Question 4

Which structure is NOT found in all human cells?

Accepted Answer

Nucleus

Question 5

Which of the following is NOT synthesized in the smooth endoplasmic reticulum (SER)?

Accepted Answer

Proteins

Question 6

A scientist observes a cell releasing insulin into the bloodstream. Which process is being observed?

Accepted Answer

Exocytosis

Question 7

Which type of tissue lines the esophagus, providing protection against friction and stress?

Accepted Answer

Stratified squamous epithelium

Question 8

Which of the following is TRUE about exocrine glands?

Accepted Answer

They release their secretions onto epithelial surfaces through ducts.

Question 9

Which tissue type is responsible for transmitting electrical impulses throughout the body?

Accepted Answer

Nervous tissue

Question 10

The process of programmed cell death, important for development and homeostasis, is called:

Accepted Answer

Apoptosis

Question 11

Which of the following best describes the function of simple squamous epithelium?

Accepted Answer

Rapid diffusion and filtration

Question 12

Which of the following equations correctly represents the surface area to volume ratio for a spherical cell?

Accepted Answer

$$\frac{4 \pi r^2$}{\frac{4}{3} \pi r^3$}$$

Question 13

Which of the following is NOT a major tissue type found in the human body?

Accepted Answer

Bone tissue

Question 14

A patient has a genetic defect that prevents the formation of tight junctions between epithelial cells. Which of the following is most likely to occur?

Accepted Answer

Increased leakage of substances between cells

Question 15

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

Accepted Answer

Production of ATP through cellular respiration

Question 16

Which of the following cell structures is responsible for synthesizing proteins?

Accepted Answer

Ribosomes

Question 17

Which of the following is a property of epithelial tissue?

Accepted Answer

It has a high rate of cell division.

Question 18

Which of the following best describes the pathway by which substances move between cells?

Accepted Answer

Paracellular pathway

Question 19

Which of the following is TRUE regarding endocrine glands?

Accepted Answer

They secrete hormones directly into the blood.

Question 20

A researcher is studying the movement of oxygen from the alveoli into the blood. Which type of epithelial tissue is most likely involved in this process?

Accepted Answer

Simple squamous epithelium

Cell Structure, Function, and Tissue Types: Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards