Question 1

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

Accepted Answer

Covers body surfaces and lines cavities, serving as a barrier and aiding in absorption and secretion.

Question 2

A patient suffers a deep cut that damages the dermis. Which process is most likely to occur during healing, and what is the main tissue involved?

Accepted Answer

Fibrosis; dense connective tissue forms scar tissue to replace the damaged dermis.

Question 3

Which of the following best distinguishes tight junctions from gap junctions in epithelial tissue?

Accepted Answer

Tight junctions prevent passage of molecules between adjacent cells, while gap junctions allow direct communication via channels.

Question 4

A gland that releases its entire cell as part of its secretion is classified as which type of gland, and what is the name of this mode of secretion?

Accepted Answer

Exocrine gland; holocrine secretion

Question 5

Which of the following is a correct pairing of connective tissue cell type and its primary function?

Accepted Answer

Mast cells: Mediate inflammation.

Question 6

A patient with a genetic defect in collagen production would most likely have problems with which component of connective tissue, and what function would be impaired?

Accepted Answer

Protein fibers; reduced tensile strength and elasticity.

Question 7

Which of the following best explains why cartilage heals more slowly than bone after injury?

Accepted Answer

Cartilage is avascular, so it receives nutrients by diffusion, slowing repair.

Question 8

Which of the following equations correctly represents the relationship for bone growth rate ($$BGR) if$$ $$BGR is $$directly proportional to hormone concentration ($$H) $$and inversely proportional to age ($$A$$)?

Accepted Answer

$$BGR = k \frac{H}{A}$$

Question 9

A patient is diagnosed with osteoporosis, a condition involving excessive bone resorption. Which cell type is most likely overactive in this patient?

Accepted Answer

Osteoclasts

Question 10

Which of the following best describes the difference between compact and spongy bone?

Accepted Answer

Compact bone is dense and strong; spongy bone is porous and lightweight.

Question 11

A patient has a mutation that prevents the formation of desmosomes in their epithelial tissue. Which of the following symptoms would most likely result?

Accepted Answer

Decreased ability of cells to adhere under mechanical stress, leading to tissue fragility.

Question 12

Which of the following best describes the role of the basement membrane in epithelial tissue?

Accepted Answer

It anchors the epithelium to underlying connective tissue and is produced by both tissues.

Question 13

Which of the following is a correct match between a type of muscle tissue and its characteristics?

Accepted Answer

Cardiac muscle: Striated, involuntary, found in the heart.

Question 14

A patient with a burn that destroys the stratum basale of the epidermis will have impaired skin regeneration. Which cell type is primarily responsible for this regenerative capacity?

Accepted Answer

Keratinocytes (stem cells in the stratum basale)

Question 15

Which of the following best explains why the skin is able to provide protection against mechanical injury and pathogens?

Accepted Answer

The skin has multiple layers of keratinized epithelial cells and an underlying connective tissue dermis.

Question 16

Which of the following best describes the difference between vellus and terminal hairs?

Accepted Answer

Vellus hairs are fine and unpigmented; terminal hairs are coarse and pigmented.

Question 17

A patient is unable to produce melanin due to a genetic disorder. Which of the following symptoms would you expect?

Accepted Answer

Lack of skin and hair pigmentation, resulting in albinism.

Question 18

Which of the following best describes the process of endochondral ossification?

Accepted Answer

Bone forms from a cartilage model, as in long bones.

Question 19

A patient with a parathyroid tumor is producing excess parathyroid hormone (PTH). Which of the following changes in bone and blood calcium would you expect?

Accepted Answer

Increased bone resorption and increased blood calcium.

Question 20

Which of the following joint types allows for the greatest range of motion, and what is an example of this joint?

Accepted Answer

Synovial joint; shoulder joint

Basic Primary Tissues, Integumentary System, and Skeletal System: Structured Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard