Chapter 5 Nursing Question Paper

HEATHER TOUPS A/P I T&R 10TH EDITION TEXT

SELF QUIZ CHAPTER 3

Fill in the blanks in the following statements. 1. The three principal parts of the cell are the plasma membrane, cytoplasm and nucleus
2. Apoptosis refers to programmed cell death, whereas necrosis refers to cell death resulting from tissue injury.
3. The fluid portion of the cytoplasm is the cytosol
4. List three causes of cellular aging. 1)shortening and loss of protective polemeres on chromosomes, 2)cross-link formation between glucose and protein, 3)free radical formation

Indicate whether the following statements are true or false.

5. Duplicated chromosomes held together by centromes are called chromatids
1. Thick skin can be found on the palms, soles and fingertips.
2. the combination of collagen and elastic fibers in the reticular region of the dermis provides the skin with strength, extensibility and elasticity.
3. Modified sweat glands in the ear are called ceruminous.
4. The pigments that give the skin a wide variety of colors are melanin and carotene

Choose the one best answer to the following questions:

5. The substance that prevents excessive evaporation of water from the skin, keeps the skin soft and pliable, and inhibits the growth of bacteria is
(a) sebum
(b) sweat
(c) cerumen
(d) carotene
(e) melatonin

6. Epidermal ridges
(a) indicate the predominant direction of underlying collagen
shed prematurely and make an abnormal keratin (3) vitiligo __13_ (b) an inherited inability to produce melanin (4) cyanosis __3__ (c) a condition in which a partial or complete loss of (5) psoriasis melanocytes from patches of skin produce (6) alopecia irregular white spots (7) jaundice __7__ (d) yellowed appearance of the whites of the eyes and (8) acne light colored skin, usually indicating liver disease (9) malignant melanoma __4__ (e) bluish appearance of mucous membrane, nail bed, (10) solar keratosis and light-colored skin due to oxygen depletion (11) decuitis ulcer __2__ (f) redness of the skin caused by engorgement of (12) basil cell carcinoma capillaries in the dermis with blood (13) albinism __6__ (g) partial or complete lack of hair __8__ (h) an inflammation of sebaceous glands __10_ (i) a precancerous skin lesion induced by sunlight __12_ (j) the most common form of skin cancer __11_ (k) a skin sore caused by long-standing, pressure- induced deficiency of blood flow to tissues overlying a bony projection __1__ (l) the process of scar tissue