Question 1

Which primary germ layer gives rise to both the epidermis and the nervous system?

Accepted Answer

Ectoderm

Question 2

A tissue sample from the lining of the small intestine shows tall, rectangular cells with microvilli and goblet cells. Which type of epithelium is this most likely to be?

Accepted Answer

Simple columnar epithelium

Question 3

Which of the following is NOT a special characteristic of epithelial tissue?

Accepted Answer

Presence of abundant extracellular matrix

Question 4

A patient has a tumor that has not penetrated the basement membrane of the epithelium. What is the correct term for this condition?

Accepted Answer

Carcinoma in situ

Question 5

Which type of cell junction is most important for preventing the passage of macromolecules between adjacent epithelial cells?

Accepted Answer

Tight (occluding) junctions

Question 6

Which connective tissue fiber type provides the greatest tensile strength?

Accepted Answer

Collagen fibers

Question 7

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

Accepted Answer

Stretching to permit distension in the urinary bladder

Question 8

Which equation correctly represents the relationship between the number of cell layers ($$n) $$and the ability of an epithelium to provide protection ($$P$$), assuming $$P$$ increases linearly with $$n$$?

Accepted Answer

$$P = n$$

Question 9

Which type of gland releases its product by exocytosis without damaging the cell?

Accepted Answer

Merocrine gland

Question 10

A histological section shows a single layer of flat cells lining the alveoli of the lungs. What is the primary function of this tissue?

Accepted Answer

Rapid diffusion of gases

Question 11

Which of the following cell types is responsible for producing the extracellular matrix in cartilage?

Accepted Answer

Chondroblasts

Question 12

Which tissue type arises from both the ectoderm and endoderm during embryonic development?

Accepted Answer

Epithelial tissue

Question 13

A sample of stratified squamous epithelium from the esophagus is examined. Which feature distinguishes it from keratinized stratified squamous epithelium?

Accepted Answer

Surface cells retain their nuclei

Question 14

Which of the following is a correct sequence for preparing a tissue specimen for histological examination?

Accepted Answer

Fixation, slicing, staining

Question 15

Which of the following best explains why epithelial tissue is avascular?

Accepted Answer

It relies on diffusion from underlying connective tissue for nutrients.

Question 16

Which equation best represents the rate of epithelial regeneration ($$R) as a $$function of mitotic activity ($$M$$), assuming direct proportionality?

Accepted Answer

$$R = M$$

Question 17

Which of the following is a unicellular exocrine gland found in the lining of the digestive and respiratory tracts?

Accepted Answer

Goblet cell

Question 18

Which type of muscle tissue is characterized by striations and voluntary control?

Accepted Answer

Skeletal muscle

Question 19

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

Accepted Answer

Allow small substances to pass directly between adjacent cells

Question 20

A histological section shows multiple layers of cells with dome-shaped apical cells that flatten when stretched. Which organ is this tissue most likely from?

Accepted Answer

Urinary bladder

Foundations of Tissue Structure: Germ Layers, Tissue Types, and Histology - Chapter 4 P1

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