Question 1

Which of the following best describes the function of tight junctions in epithelial tissue?

Accepted Answer

They form a seal that prevents material from passing between adjacent cells.

Question 2

A tissue sample from the lining of the stomach shows multiple layers of flattened cells. Which type of epithelial tissue is this most likely to be?

Accepted Answer

Stratified squamous epithelium

Question 3

Which connective tissue cell type is responsible for breaking down extracellular matrix?

Accepted Answer

Osteoclast

Question 4

Which of the following is a function of simple squamous epithelium?

Accepted Answer

Absorption and secretion

Question 5

A patient has a genetic defect affecting the protein elastin. Which connective tissue property would be most affected?

Accepted Answer

Ability to stretch and recoil

Question 6

Which type of cartilage is most abundant in the human body and found at the ends of long bones?

Accepted Answer

Hyaline cartilage

Question 7

Which of the following best describes the matrix composition of bone tissue?

Accepted Answer

Contains abundant collagen and inorganic salts such as $Ca^{2+}$ phosphate

Question 8

Which of the following equations correctly represents the relationship between the number of cell layers ($n$) and the classification of epithelial tissue?

Accepted Answer

$n = 1$ \rightarrow$ simple epithelium

Question 9

Which of the following is TRUE regarding dense regular connective tissue?

Accepted Answer

It is poorly vascularized and has collagen fibers running in the same direction.

Question 10

Which type of glandular epithelium secretes hormones directly into the extracellular fluid and interstitial fluid?

Accepted Answer

Endocrine gland

Question 11

A tissue sample contains cells with a single layer of tall, thin cells. Which type of epithelial tissue is this?

Accepted Answer

Simple columnar epithelium

Question 12

Which of the following is a function of gap junctions in cardiac muscle tissue?

Accepted Answer

Allowing ions to pass and enabling synchronization of contractions

Question 13

Which connective tissue type is characterized by a 'chicken wire' appearance and stores triglycerides?

Accepted Answer

Adipose tissue

Question 14

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

Accepted Answer

Contraction

Question 15

Which of the following best describes the ground substance in connective tissue?

Accepted Answer

It is a watery substance containing proteins and carbohydrates.

Question 16

Which type of muscle tissue is found in the walls of hollow organs such as the stomach?

Accepted Answer

Smooth muscle

Question 17

Which of the following statements about blood as a connective tissue is correct?

Accepted Answer

It contains red blood cells, white blood cells, and platelets.

Question 18

Which of the following cell types is responsible for maintaining the matrix in connective tissue?

Accepted Answer

Osteocyte

Question 19

A tissue sample from the trachea shows cells with cilia and a single layer that appears stratified due to nuclei at different levels. What is the correct classification?

Accepted Answer

Pseudostratified columnar epithelium

Question 20

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

Accepted Answer

Cartilage is avascular and cells are far apart.

Overview of Tissues: Structure, Types, and Functions in Anatomy & Physiology

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