Question 1

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

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organismal

Question 2

A patient suffers damage to the connective tissue supporting the basement membrane of their skin. Which function of epithelial tissue is most likely to be compromised?

Accepted Answer

Protection from mechanical injury

Question 3

Which type of epithelial tissue is best suited for rapid diffusion and filtration, and where is it commonly found?

Accepted Answer

Simple squamous epithelium; found in kidney glomeruli and air sacs of lungs

Question 4

Which of the following statements about cell theory is CORRECT?

Accepted Answer

Organismal functions depend on both individual and collective cell functions.

Question 5

A gland that releases its product by exocytosis without damaging the cell is classified as:

Accepted Answer

Merocrine

Question 6

Which connective tissue type is primarily responsible for storing energy in the form of fat?

Accepted Answer

Adipose tissue

Question 7

A researcher observes a tissue sample with cells that are tall and column-shaped, with elongated nuclei. Which type of epithelial cell is being observed?

Accepted Answer

Columnar

Question 8

Which of the following is a function of the ground substance in connective tissue?

Accepted Answer

Acts as a molecular sieve for diffusion of nutrients

Question 9

A patient with a genetic defect in collagen synthesis would most likely have problems with which connective tissue function?

Accepted Answer

Binding and support

Question 10

Which of the following best describes the difference between simple and stratified epithelia?

Accepted Answer

Simple epithelia consist of a single layer of cells; stratified epithelia have two or more layers.

Question 11

Which type of connective tissue is found in tendons and is specialized to withstand great tensile stress when pulling force is applied in one direction?

Accepted Answer

Dense regular connective tissue

Question 12

Which of the following is NOT a basic function of epithelial tissue?

Accepted Answer

Transportation of oxygen

Question 13

A multicellular gland with a branched duct and secretory cells that release their product by cell rupture is classified as:

Accepted Answer

Compound holocrine gland

Question 14

Which of the following cell types is responsible for fighting disease in connective tissue?

Accepted Answer

Macrophage

Question 15

Which equation best represents the relationship between the number of cell layers ($$n) $$and the rate of diffusion ($$D) $$across an epithelial membrane, assuming all other factors are constant?

Accepted Answer

$$D \propto \frac{1}{n}$$

Question 16

Which tissue type is most likely to be found lining the inside of blood vessels, and what is its primary function?

Accepted Answer

Simple squamous epithelium; facilitates diffusion

Question 17

A patient presents with a mutation that prevents the formation of tight junctions in epithelial cells. Which of the following is a likely consequence?

Accepted Answer

Increased permeability of the epithelial barrier

Question 18

Which connective tissue type contains a high proportion of elastic fibers, allowing it to recoil after stretching, and where is it commonly found?

Accepted Answer

Elastic connective tissue; found in walls of large arteries

Question 19

Which of the following is a unique feature of cancerous epithelial cells compared to normal epithelial cells?

Accepted Answer

Failure to respect the boundary of the basement membrane

Question 20

Which of the following best explains why epithelial tissue is avascular but still able to survive?

Accepted Answer

It receives nutrients by diffusion from underlying connective tissue

Structural Organization of the Human Body: Levels, Cells, and Cell Diversity

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