Question 1

Which of the following correctly describes the difference between the parietal and visceral layers of a serous membrane?

Accepted Answer

The parietal layer is fused to the cavity wall, while the visceral layer is fused to the organ wall.

Question 2

A patient presents with scaly plaques on their skin due to accelerated mitosis of keratinocytes in the stratum basale. Which autoimmune disorder is most likely responsible?

Accepted Answer

Psoriasis

Question 3

Which layer of the epidermis is responsible for producing melanin pigment for UV light protection?

Accepted Answer

Stratum basale

Question 4

Which of the following is NOT a function of the cutaneous membrane?

Accepted Answer

Secreting serous fluid into body cavities

Question 5

A person with a genetic inability to produce melanin will most likely exhibit which condition?

Accepted Answer

Albinism

Question 6

Which of the following best describes the composition of the dermis?

Accepted Answer

Dense irregular connective tissue and areolar connective tissue

Question 7

Which body cavity contains the heart and is lined by the pericardium?

Accepted Answer

Thoracic cavity

Question 8

Which of the following statements about thin and thick skin is correct?

Accepted Answer

Thin skin covers most of the body and contains hair follicles.

Question 9

Which epidermal layer is only present in thick skin and not in thin skin?

Accepted Answer

Stratum lucidum

Question 10

Which of the following glands is responsible for producing a secretion that mixes with sebum to form ear wax?

Accepted Answer

Ceruminous glands

Question 11

A patient has a wound that penetrates through the epidermis and into the papillary layer. Which tissue type is primarily affected in the papillary layer?

Accepted Answer

Areolar connective tissue

Question 12

Which formula best represents the relationship between the number of melanocytes ($$N_m) $$and the amount of melanin produced ($$M) in $$skin, assuming each melanocyte produces a constant amount $$k of $$melanin?

Accepted Answer

$$M = N_m 	imes k$$

Question 13

Which of the following is a correct sequence of layers from the deepest to the most superficial in the epidermis of thick skin?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Question 14

Which of the following is NOT a function of sudoriferous (sweat) glands?

Accepted Answer

Secreting sebum to lubricate hair

Question 15

Which structure is responsible for the formation of fingerprints?

Accepted Answer

Papillary layer of the dermis

Question 16

Which of the following best explains why the stratum corneum is waterproof?

Accepted Answer

Presence of keratin and glycolipids between cells

Question 17

Which of the following is TRUE regarding the hypodermis?

Accepted Answer

It is composed mainly of adipose and areolar connective tissue.

Question 18

Which of the following is a correct description of the hair matrix?

Accepted Answer

It is a layer of rapidly dividing cells at the base of the hair follicle.

Question 19

Which of the following is NOT a characteristic of the epidermis?

Accepted Answer

It is vascular and contains blood vessels.

Body Cavities, Membranes, and the Integumentary System: Structured Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard