Question 1

Which part of the microscope is primarily responsible for adjusting the amount of light that reaches the specimen?

Accepted Answer

Iris diaphragm lever

Question 2

A student is using a microscope with a 10x ocular lens and a 43x objective lens. What is the total magnification?

Accepted Answer

$$10 	imes 43 = 430$$

Question 3

Which tissue type is specialized for contraction and movement?

Accepted Answer

Muscle tissue

Question 4

Which of the following is a characteristic unique to epithelial tissue?

Accepted Answer

Avascularity

Question 5

A tissue sample from the lining of the urinary bladder shows cells that appear cuboidal when relaxed and squamous when stretched. What type of epithelium is this?

Accepted Answer

Transitional epithelium

Question 6

Which connective tissue fiber type is most responsible for providing high tensile strength?

Accepted Answer

Collagen fibers

Question 7

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

Accepted Answer

It attaches the epithelium to underlying connective tissue

Question 8

A biopsy reveals a tissue with multiple layers of flat cells on the surface and stem cells near the basement membrane. What is the most likely function of this tissue?

Accepted Answer

Physical protection against abrasion

Question 9

Which of the following cell junctions would you expect to find in abundance in tissues that experience significant mechanical stress, such as the skin?

Accepted Answer

Desmosomes

Question 10

Which of the following statements about connective tissue is TRUE?

Accepted Answer

Connective tissue cells are widely scattered within an abundant extracellular matrix

Question 11

A patient has a genetic defect that prevents the formation of gap junctions in cardiac muscle. Which of the following would most likely be affected?

Accepted Answer

The ability of cardiac muscle cells to contract in a coordinated manner

Question 12

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

Accepted Answer

Cartilage is avascular and relies on diffusion for nutrient delivery

Question 13

Which of the following is a function of adipose tissue?

Accepted Answer

Storing energy as triglycerides

Question 14

Which type of epithelial tissue lines the alveoli of the lungs and is specialized for rapid diffusion?

Accepted Answer

Simple squamous epithelium

Question 15

Which of the following best describes the main difference between endocrine and exocrine glands?

Accepted Answer

Endocrine glands secrete hormones directly into the blood; exocrine glands secrete products onto epithelial surfaces via ducts

Question 16

A tissue sample shows cells with cilia on their apical surface and nuclei at varying heights, but all cells touch the basement membrane. What type of epithelium is this?

Accepted Answer

Pseudostratified columnar epithelium

Question 17

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

Accepted Answer

Store calcium

Question 18

Which of the following best describes the role of fibroblasts in connective tissue?

Accepted Answer

They produce and secrete the protein fibers and ground substance of the extracellular matrix

Question 19

Which of the following tissues would you expect to find lining the ducts of sweat glands?

Accepted Answer

Stratified cuboidal epithelium

Question 20

A patient presents with a tissue sample from the trachea showing ciliated cells and mucus production. Which type of epithelium is most likely present?

Accepted Answer

Pseudostratified ciliated columnar epithelium

Microscopy, Histology, and Tissue Types: Foundations for Anatomy & Physiology

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