Question 1

Which type of epithelial tissue is best suited for rapid diffusion and is found lining the alveoli of the lungs?

Accepted Answer

Simple squamous epithelium

Question 2

A patient suffers a burn that destroys both the epidermis and part of the dermis. What degree of burn is this classified as?

Accepted Answer

Second-degree burn

Question 3

Which cell junction type is primarily responsible for preventing leakage between epithelial cells, such as in the bladder?

Accepted Answer

Tight junctions

Question 4

Which connective tissue type is most abundant in the dermis and provides strength and resistance to stretching?

Accepted Answer

Dense irregular connective tissue

Question 5

Which layer of the epidermis is responsible for mitosis and contains melanocytes and Merkel cells?

Accepted Answer

Stratum basale

Question 6

A patient presents with blue-tinted skin (cyanosis). Which pigment is most directly involved in this clinical sign?

Accepted Answer

Hemoglobin

Question 7

Which bone cell type is responsible for breaking down bone matrix during remodeling?

Accepted Answer

Osteoclasts

Question 8

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 9

During bone fracture repair, which stage immediately follows the formation of a hematoma?

Accepted Answer

Fibrocartilaginous callus formation

Question 10

Which type of gland releases its product by exocytosis, as seen in sweat glands?

Accepted Answer

Merocrine gland

Question 11

A patient with a deficiency in vitamin D would most likely have impaired absorption of which mineral, affecting bone health?

Accepted Answer

Calcium

Question 12

Which connective tissue cell type is primarily responsible for producing protein fibers such as collagen?

Accepted Answer

Fibroblasts

Question 13

Which layer of the dermis contains capillaries and dermal papillae, contributing to fingerprints?

Accepted Answer

Papillary layer

Question 14

Which type of cartilage is most common and found in the trachea and joints?

Accepted Answer

Hyaline cartilage

Question 15

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

Accepted Answer

Allow ions and molecules to pass directly between cells

Question 16

Which bone structure contains the central canal, concentric lamellae, and canaliculi?

Accepted Answer

Osteon

Question 17

A patient with a mutation affecting collagen synthesis would most likely have problems with which tissue property?

Accepted Answer

Tensile strength

Question 18

Which process increases the width of bones by adding new bone tissue under the periosteum?

Accepted Answer

Appositional growth

Question 19

Which skin cancer is the most deadly and is identified using the ABCDE rule?

Accepted Answer

Melanoma

Question 20

Which equation best represents the effect of parathyroid hormone (PTH) on blood calcium levels?

Accepted Answer

$$\Delta [Ca$$^{2+}$$]_{blood} = +$$

Histology, Integumentary System, and Bone Tissue: Study Notes

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