Question 1

Which of the following best describes the main function of simple squamous epithelium in the alveoli of the lungs?

Accepted Answer

Absorption and diffusion of gases

Question 2

A patient suffers a severe burn that destroys the epidermis. Which property of epithelial tissue is most critical for the healing process?

Accepted Answer

Regeneration by stem cells

Question 3

Which type of cell junction would be most important in preventing leakage of digestive enzymes between epithelial cells lining the stomach?

Accepted Answer

Tight junctions

Question 4

Which connective tissue fiber type is most abundant in tendons and provides resistance to force in one direction?

Accepted Answer

Collagen fibers

Question 5

A biopsy of a gland reveals cells releasing their product by exocytosis without loss of cytoplasm. Which type of secretion is this?

Accepted Answer

Merocrine

Question 6

Which of the following best explains why cartilage heals poorly after injury?

Accepted Answer

It is avascular and chondrocytes produce antiangiogenesis factor

Question 7

Which tissue type is responsible for voluntary movement, such as lifting your arm?

Accepted Answer

Skeletal muscle

Question 8

A patient with liver disease has impaired production of plasma proteins. Which connective tissue component is most directly affected?

Accepted Answer

Matrix of blood (plasma)

Question 9

Which of the following is a function of areolar connective tissue?

Accepted Answer

Packing material that cushions organs

Question 10

Which of the following best describes the role of mast cells in connective tissue?

Accepted Answer

Stimulate inflammation by releasing histamine and heparin

Question 11

A patient presents with a ruptured tendon. Which type of connective tissue is primarily damaged?

Accepted Answer

Dense regular connective tissue

Question 12

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

Accepted Answer

Allow rapid communication and coordinate contractions

Question 13

Which membrane lines body cavities that do NOT open to the exterior and reduces friction between organs?

Accepted Answer

Serous membrane

Question 14

Which of the following is TRUE regarding the regeneration of tissues after injury?

Accepted Answer

Epithelia and smooth muscle regenerate well

Question 15

Which of the following best describes the function of brown fat in infants?

Accepted Answer

Breaks down lipids to release heat and warm the body

Question 16

Which of the following is a characteristic of pseudostratified columnar epithelium?

Accepted Answer

Appears layered but all cells contact the basement membrane

Question 17

Which of the following best explains why elderly individuals are more prone to bruising and bone fractures?

Accepted Answer

Thinner epithelia and fragile connective tissues

Question 18

Which of the following is a function of the cutaneous membrane?

Accepted Answer

Provides a thick, relatively waterproof barrier for the body

Question 19

Which of the following best describes the process of holocrine secretion?

Accepted Answer

Release of product by cell bursting and death

Question 20

A patient has a genetic defect affecting the production of hyaluronan. Which aspect of epithelial tissue integrity is most likely to be compromised?

Accepted Answer

Intercellular cement (proteoglycans)

The Tissue Level of Organization: Structure and Function of Human Tissues

Study Guide - Practice Questions