Question 1

Which of the following best describes the function of pseudostratified columnar epithelium found in the trachea?

Accepted Answer

Secretion of mucus and propulsion of mucus by ciliary action

Question 2

Stratified squamous epithelium is most likely to be found in which of the following locations?

Accepted Answer

Lining of the esophagus

Question 3

Which statement correctly compares endocrine and exocrine glands?

Accepted Answer

Endocrine glands are ductless and release hormones into the blood; exocrine glands secrete products onto body surfaces or into cavities.

Question 4

Which of the following is a unicellular exocrine gland, and what is its primary secretion?

Accepted Answer

Goblet cell; secretes mucus

Question 5

A patient presents with a ruptured sebaceous gland. Which mode of secretion is most likely involved?

Accepted Answer

Holocrine

Question 6

Which connective tissue fiber type provides the greatest tensile strength and is most abundant in connective tissues?

Accepted Answer

Collagen fibers

Question 7

Which of the following connective tissues is most likely to be found in tendons and ligaments, and why?

Accepted Answer

Dense regular connective tissue; because it has closely packed parallel collagen fibers for high tensile strength

Question 8

Which connective tissue type acts as a water reservoir due to its loose arrangement of fibers and abundant ground substance?

Accepted Answer

Areolar connective tissue

Question 9

A biopsy of a lymph node reveals a mesh-like stroma supporting blood cells. Which connective tissue is most likely present?

Accepted Answer

Reticular connective tissue

Question 10

Which connective tissue is richly vascularized and functions in shock absorption, insulation, and energy storage?

Accepted Answer

Adipose tissue

Question 11

Which of the following best describes the difference between 'blast' and 'cyte' cells in connective tissue?

Accepted Answer

'Blast' cells are immature and actively secrete matrix; 'cyte' cells are mature and maintain the matrix.

Question 12

Which type of cartilage is found at the tips of long bones, nose, trachea, and larynx, and appears as shiny bluish glass?

Accepted Answer

Hyaline cartilage

Question 13

A patient with a sports injury has slow healing in the knee due to poor blood supply. Which tissue is most likely affected?

Accepted Answer

Fibrocartilage

Question 14

Which connective tissue type is found in the walls of large arteries and allows them to stretch and recoil?

Accepted Answer

Elastic connective tissue

Question 15

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

Accepted Answer

Secretion of hormones

Question 16

Which cell type in connective tissue is responsible for detecting foreign microorganisms and initiating local inflammatory responses?

Accepted Answer

Mast cells

Question 17

Which equation best represents the relationship between ground substance, fibers, and the extracellular matrix in connective tissue?

Accepted Answer

$$Extracellular\ Matrix = Ground\ Substance + Fibers$$

Question 18

Which connective tissue type is most likely to resist tension from many directions and is found in the dermis and fibrous joint capsules?

Accepted Answer

Dense irregular connective tissue

Question 19

Which of the following best explains why cartilage injuries heal slowly?

Accepted Answer

Cartilage is avascular and receives nutrients by diffusion, limiting its ability to divide and repair.

Question 20

Which connective tissue type is most likely to calcify or ossify later in life, causing chondrocytes to die?

Accepted Answer

Cartilage

Epithelial and Connective Tissues: Structure, Classification, and Function

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