Q: Which of the following equations best represents the percentage of organic and inorganic components in bone ECM?

$$\text{Organic portion} = 35\%$$, $$\text{Inorganic portion} = 65\%$$

Question 1

Which of the following best describes the main function of the extracellular matrix (ECM) in tissues?

Accepted Answer

It directs cells to their proper places, provides strength, and regulates cell survival.

Question 2

A patient with Marfan syndrome is at risk for which of the following life-threatening complications due to defective elastic fibers in the ECM?

Accepted Answer

Aortic rupture due to dilation of the aorta

Question 3

Which type of cell junction allows for the free passage of small substances between adjacent cells?

Accepted Answer

Gap junctions

Question 4

Which epithelial tissue type is best suited for rapid diffusion and is found lining the air sacs of the lungs?

Accepted Answer

Simple squamous epithelium

Question 5

A gland that releases its product by exocytosis without damaging the cell is classified as which type of exocrine gland?

Accepted Answer

Merocrine

Question 6

Which connective tissue type is found in tendons and ligaments and is specialized to resist tension in one direction?

Accepted Answer

Dense regular collagenous connective tissue

Question 7

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

Accepted Answer

Cartilage lacks a direct blood supply and often heals by fibrosis.

Question 8

Which of the following is a function of brown adipose tissue in infants?

Accepted Answer

Heat production

Question 9

A patient presents with a friction rub heard over the chest. Which membrane is most likely inflamed?

Accepted Answer

Serous membrane

Question 10

Which of the following best describes the process of fibrosis during tissue repair?

Accepted Answer

Formation of scar tissue by fibroblasts producing collagen

Question 11

Which of the following equations best represents the percentage of organic and inorganic components in bone ECM?

Accepted Answer

$$	ext{Organic portion} = 35\%$$, $$	ext{Inorganic portion} = 65\%$$

Question 12

Which of the following best describes the main function of reticular fibers in connective tissue?

Accepted Answer

Form supportive networks that trap foreign cells

Question 13

Which of the following is TRUE regarding the repair capacity of cardiac muscle tissue?

Accepted Answer

It generally heals by fibrosis due to limited mitotic ability.

Question 14

Which of the following best describes the difference between paracellular and transcellular transport across simple epithelia?

Accepted Answer

Paracellular transport moves substances between cells, while transcellular transport moves substances through the cell cytosol.

Question 15

Which of the following cell types is responsible for synthesizing the organic portion of bone ECM?

Accepted Answer

Osteoblasts

Question 16

A biopsy of a patient’s tissue reveals a single layer of tall, rectangular cells with microvilli on the apical surface. Which tissue type is this most likely to be?

Accepted Answer

Simple columnar epithelium

Question 17

Which of the following best explains why adequate vitamin C intake is important for tissue repair?

Accepted Answer

Vitamin C is required for fibroblasts to synthesize collagen.

Question 18

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

Accepted Answer

Single layer of cells with nuclei at different heights

Question 19

Which of the following best describes the main function of neuroglial cells in nervous tissue?

Accepted Answer

Support, anchor, and protect neurons

Question 20

Which of the following best describes the structure and function of transitional epithelium?

Accepted Answer

Multiple layers of dome-shaped cells that flatten when stretched, allowing for distension

Chapter 4: Histology – The Study of Tissues

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드