Question 1

Which of the following best describes the main function of simple squamous epithelium, and where is it most commonly found?

Accepted Answer

Diffusion and filtration; found in the alveoli of the lungs

Question 2

A biopsy from a patient's esophagus reveals multiple layers of flat cells. Which type of epithelial tissue is this, and what is its primary function?

Accepted Answer

Stratified squamous epithelium; protection against abrasion

Question 3

Which connective tissue type is characterized by a matrix rich in collagen fibers and is found in tendons and ligaments?

Accepted Answer

Dense regular connective tissue

Question 4

A patient presents with a cartilage injury in the ear. Which type of cartilage is most likely affected, and what is its distinguishing feature?

Accepted Answer

Elastic cartilage; flexible due to elastic fibers

Question 5

Which of the following best describes the composition of the extracellular matrix in connective tissue?

Accepted Answer

Ground substance and fibers

Question 6

A histology slide shows tissue with striations and multiple peripheral nuclei. Which muscle tissue is this, and what is its primary function?

Accepted Answer

Skeletal muscle; voluntary movement

Question 7

Which of the following best explains why bone tissue is rigid and strong?

Accepted Answer

It is composed of hydroxyapatite crystals embedded in collagen fibers

Question 8

A patient with a spinal cord injury has lost the ability to contract skeletal muscles below the injury. Which tissue type is directly affected, and what is the main cell type involved?

Accepted Answer

Nervous tissue; neurons

Question 9

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

Accepted Answer

Compact bone is dense and forms the outer layer; spongy bone is porous and found inside bones

Question 10

Which of the following formulas correctly represents the chemical composition of hydroxyapatite, the main mineral in bone?

Accepted Answer

$$Ca_5$$($$PO_4)_3OH$

Question 11

A histology slide shows a tissue with intercalated discs and striations. Which tissue is this, and what is its function?

Accepted Answer

Cardiac muscle; pumping blood through the heart

Question 12

Which of the following best describes the function of osteocytes in bone tissue?

Accepted Answer

Maintain bone matrix and communicate with other bone cells

Question 13

A patient has a mutation affecting collagen synthesis. Which tissue type would be most directly affected, and what symptom might result?

Accepted Answer

Connective tissue; weakened tendons and ligaments

Question 14

Which of the following best describes the arrangement of osteons in compact bone?

Accepted Answer

Arranged in concentric circles around a central canal

Question 15

A patient is diagnosed with osteoporosis, a condition characterized by decreased bone density. Which component of bone tissue is most affected?

Accepted Answer

Hydroxyapatite crystals

Question 16

Which of the following best explains why transitional epithelium is found in the urinary bladder?

Accepted Answer

It stretches to accommodate fluctuating volumes of urine

Question 17

A tissue sample contains neurons with axons and dendrites. Which function is most directly associated with this tissue?

Accepted Answer

Transmission of electrical impulses

Question 18

Which of the following best describes the difference between loose areolar connective tissue and dense regular connective tissue?

Accepted Answer

Dense regular tissue has parallel collagen fibers; loose areolar tissue has loosely arranged fibers

Question 19

A patient with a genetic disorder affecting elastic fibers would most likely have problems in which tissue?

Accepted Answer

Elastic cartilage

Question 20

Which of the following best describes the function of plasma cells in connective tissue?

Accepted Answer

Secrete antibodies

Lab

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