Question 1

Which of the following best describes the function of epithelial tissue in the human body?

Accepted Answer

Covers and lines all free body surfaces, establishing boundaries and providing protection

Question 2

A sample of tissue is observed to have a single layer of flat cells lining the alveoli of the lungs. Which type of epithelial tissue is this?

Accepted Answer

Simple squamous epithelium

Question 3

Which structure provides strength to the basement membrane by adding collagen fibers?

Accepted Answer

Reticular lamina

Question 4

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

Accepted Answer

Merocrine

Question 5

Which embryonic layer gives rise to connective tissue such as bone and blood?

Accepted Answer

Mesoderm

Question 6

A patient has damage to the intercalated discs in their heart muscle. Which function would be most affected?

Accepted Answer

Communication between cardiac muscle cells

Question 7

Which of the following is TRUE about pseudostratified epithelium?

Accepted Answer

It appears to have more than one layer but all cells touch the basement membrane

Question 8

Which connective tissue is the only liquid tissue in the body and is derived from mesenchyme?

Accepted Answer

Blood

Question 9

Which cell type is responsible for producing collagen fibers in connective tissue?

Accepted Answer

Fibroblasts

Question 10

A tissue sample from the urinary bladder shows cells that change shape from dome-shaped to flat. What type of epithelium is this?

Accepted Answer

Transitional

Question 11

Which of the following is a function of neuroglia in nervous tissue?

Accepted Answer

Support and protect neurons

Question 12

Which membrane lines body cavities that open to the exterior, such as the digestive tract?

Accepted Answer

Mucous membrane

Question 13

Which muscle type is striated, voluntary, and multi-nucleated?

Accepted Answer

Skeletal muscle

Question 14

Which of the following best describes the difference between exocrine and endocrine glands?

Accepted Answer

Exocrine glands secrete products into ducts; endocrine glands secrete products into the bloodstream

Question 15

Which formula correctly represents the relationship between surface area ($$A$$), absorption rate ($$R$$), and concentration gradient ($$C) in $$epithelial tissue?

Accepted Answer

$$R = A 	imes C$$

Question 16

A patient’s skin is unable to protect underlying tissues from dehydration and infection. Which layer of the skin is most likely compromised?

Accepted Answer

Epidermis

Question 17

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

Accepted Answer

Contraction

Question 18

Which type of cell is found in PCCE (pseudostratified ciliated columnar epithelium) and is responsible for producing mucus?

Accepted Answer

Goblet cell

Question 19

Which of the following best explains why simple squamous epithelium is found in areas of high filtration, such as the kidney glomerulus?

Accepted Answer

Its single layer of flat cells allows for rapid diffusion and filtration

Question 20

Which equation best represents the calculation of total membrane strength ($$S) $$given the number of collagen fibers ($$n) $$and the average strength per fiber ($$s$$)?

Accepted Answer

$$S = n 	imes s$$

Anatomy & Physiology Study Notes: Tissues and Membranes

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