Question 1

Refer to the first image. Which of the following best describes the process illustrated, and what is the significance of the cells labeled A, B, and C?

Accepted Answer

The process is differentiation, and A, B, and C represent specialized cells derived from a stem cell.

Question 2

The second and third images show a type of epithelial tissue. Which of the following best describes this tissue and its primary function?

Accepted Answer

Stratified squamous epithelium; protection against abrasion.

Question 3

In the fourth image, the top panel shows a tissue with a single layer of flat cells. What is the most likely location for this tissue in the human body?

Accepted Answer

Kidney glomeruli and air sacs of lungs

Question 4

Based on the fifth image, which type of epithelium is best suited for areas of the body where rapid diffusion of substances is necessary?

Accepted Answer

Simple squamous epithelium

Question 5

The sixth image shows a histological section of lung tissue. Which tissue type is present and what is its main function?

Accepted Answer

Simple squamous epithelium; gas exchange

Question 6

The seventh image shows a thick, multi-layered tissue. Which of the following is true about this tissue?

Accepted Answer

It is stratified squamous epithelium and protects against abrasion.

Question 7

Which tissue type, shown in the eighth image, is most likely to be found in the epidermis of the skin?

Accepted Answer

Stratified squamous epithelium

Question 8

The ninth image shows a tissue with cube-shaped cells and centrally located nuclei. What is the primary function of this tissue?

Accepted Answer

Secretion and absorption

Question 9

The tenth image shows a duct lined by two layers of cube-shaped cells. Where is this tissue most likely found?

Accepted Answer

Largest ducts of sweat, mammary, and salivary glands

Question 10

The eleventh image shows tall, column-shaped cells with nuclei near the base. Which of the following is a key function of this tissue?

Accepted Answer

Absorption and secretion of mucus

Question 11

The twelfth image shows a tissue with multiple layers, with the surface cells elongated and columnar. Where is this tissue most likely found?

Accepted Answer

Male urethra and large ducts of some glands

Question 12

The thirteenth image shows a tissue with cells of varying heights and nuclei at different levels. What is a distinguishing feature of this tissue?

Accepted Answer

It contains goblet cells and cilia

Question 13

The fourteenth image shows a tissue with dome-shaped surface cells. What is the main function of this tissue?

Accepted Answer

Stretching to accommodate fluctuating volumes

Question 14

Which tissue type, shown in the fifteenth image, is most likely to be found lining the urinary bladder?

Accepted Answer

Transitional epithelium

Question 15

The sixteenth image shows a glandular structure. Which of the following best describes the development of exocrine and endocrine glands?

Accepted Answer

Exocrine glands retain their ducts, while endocrine glands lose their ducts.

Question 16

The seventeenth image shows a section of the pancreas. Which of the following statements is correct regarding the tissue types present?

Accepted Answer

The pancreas contains both endocrine and exocrine tissue.

Question 17

The eighteenth image shows a section of a salivary gland. Which of the following best describes the difference between serous and mucous acini?

Accepted Answer

Serous acini secrete watery fluid and stain darkly; mucous acini secrete thick mucus and stain lightly.

Question 18

The nineteenth image shows a connective tissue with various cell types and fibers. Which cell type is primarily responsible for producing fibers in connective tissue?

Accepted Answer

Fibroblast

Question 19

The twentieth image shows embryonic connective tissue. What is the primary function of this tissue?

Accepted Answer

Gives rise to all other connective tissue types

Classification and Structure of Tissues: Epithelial and Connective Tissue

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