$$\text{Bone Mass} = \text{Bone Formation} - \text{Bone Resorption}$$

Question 1

Which of the following is NOT a characteristic common to all epithelial tissues?

Accepted Answer

Cells are loosely arranged with abundant extracellular fibers

Question 2

Which type of cell junction is primarily responsible for preventing the passage of substances between adjacent epithelial cells?

Accepted Answer

Tight junction

Question 3

A patient presents with a genetic defect in desmosomes. Which tissue would most likely be affected, and what symptom might result?

Accepted Answer

Epithelial tissue; increased blistering of the skin

Question 4

Which of the following best describes the function of simple squamous epithelium?

Accepted Answer

Rapid diffusion and filtration

Question 5

Stratified squamous epithelium is found in areas subject to abrasion. Which property allows it to serve this function?

Accepted Answer

Multiple layers of cells provide protection

Question 6

Which of the following cell surface structures increases the surface area for absorption in epithelial cells?

Accepted Answer

Microvilli

Question 7

A goblet cell is specialized for which function?

Accepted Answer

Secretion of mucus

Question 8

Which type of gland releases its product by exocytosis without losing any part of the cell?

Accepted Answer

Merocrine gland

Question 9

Which connective tissue type is responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Blood

Question 10

Which of the following is the main characteristic that distinguishes connective tissue from other tissue types?

Accepted Answer

Abundant extracellular matrix

Question 11

A patient has a mutation affecting collagen production. Which connective tissue function would be most impaired?

Accepted Answer

Structural support and tensile strength

Question 12

Which of the following best describes the function of the hypodermis?

Accepted Answer

Insulation and energy storage

Question 13

Which layer of the epidermis is most actively involved in mitosis?

Accepted Answer

Stratum basale

Question 14

Which pigment is primarily responsible for determining skin color?

Accepted Answer

Melanin

Question 15

Which of the following is a function of sebaceous glands?

Accepted Answer

Secretion of sebum to lubricate and protect skin

Question 16

Which vitamin is synthesized in the skin upon exposure to sunlight?

Accepted Answer

Vitamin D

Question 17

Which of the following equations correctly represents the relationship between bone mass, formation, and resorption during bone remodeling?

Accepted Answer

$$	ext{Bone Mass} = 	ext{Bone Formation} - 	ext{Bone Resorption}$$

Question 18

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 19

A child has a deficiency in vitamin D. Which process in bone physiology will be most directly affected?

Accepted Answer

Calcium absorption in the small intestine

Question 20

Which of the following best describes osteoporosis?

Accepted Answer

A condition characterized by decreased bone mass and increased fracture risk

Anatomy & Physiology: Epithelial, Connective, Integumentary, and Osseous Tissues Study Guide

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