Skin & Body Membranes Quiz
1.
Fingernails and toenails grow from the
a.
b.
c.
d.
2.
Hair growth occurs because of mitosis in the
a.
b.
c.
d.
3.
basal cell carcinoma
dermal melanoma
malignant melanoma
squamous cell carcinoma
An example of a serous membrane is the
a.
b.
c.
d.
7.
ammonia
oil
vitamin C
lactic acid
The most dangerous type of skin cancer is
a.
b.
c.
d.
6.
carotene in the epidermis
how well oxygenated the blood is
sebaceous gland secretion
amount and kind of melanin
Which of these is NOT a normal component of sweat?
a.
b.
c.
d.
5.
epidermal sheath
dermal sheath
hair bulb matrix
shaft
Which of these does not determine skin color?
a.
b.
c.
d.
4.
nail matrix
nail body
nail lunula
nail bed
visceral pericardium
dorsal body cavity
lining of the stomach
parietal endothelium
The most severe burns are classified as
a.
b.
c.
d.
8.
Keratin
a.
b.
c.
d.
9.
fourth degree
first degree
third degree
second degree
allows the skin to breathe
is a lipid which generates heat in the epidermis
is a protein found in greatest abundance on the skin surface
comes in a single, tough layer on the epidermis
Serous fluid
a.
b.
c.
d.
nourishes organs
provides a means of cell regeneration
allows organs to move across the cavity wall without friction
anchors organs in place
10. Our skin protects us against bacterial invasion because
a.
b.
c.
d.
11.
sweat glands produce phagocytes which ingest bacteria
there are sensors in the skin which alert the nervous system of bacterial invasion
skin secretions are acidic and inhibit bacterial growth
the skin produces melatonin which has antibacterial properties
Which of these is caused by a virus?
a.
b.
c.
d.
impetigo
psoriasis
athlete’s foot
cold sores
12. Overexposure to the sun
a.
b.
c.
d.
retards freckle formation
protects the skin from further burning
inhibits melanin activity
suppresses the immune system
13. Apocrine sweat glands
a.
b.
c.
d.
are found all over the body and produce androgens
produce an oily substance which causes pimples
secrete amino acids
are located mainly in armpits and genital areas
14. Which of these is NOT true about synovial membranes?
a.
b.
c.
d.
they secrete lubricating fluid
they are made of epithelial tissue
they line bursae
they line joint capsules
15. The rule of nines refers to
a.
b.
c.
d.
how long a burn patient can survive without help
what percent of patients die of infections after being burned
how much infection occurs as a result of burns
a system that allows accurate estimates of the extent of burn damage and the quantity of fluid lost
16. Which of these layers of the epidermis is most active in mitosis? The stratum
a.
b.
c.
d.
granulosum
basale
spinosum
corneum
17. Men who shave every day don’t normally bleed because
a.
b.
c.
d.
the stratum corneum is thicker on the face than other areas
the epidermis is avascular
facial hair prevents the blade from cutting blood vessels
the outer skin layer of the face is tougher than that of the rest of the body
18. Cyanosis occurs because
a.
b.
c.
d.
too little oxygenated blood gets to the skin
too much carotene is produced
blood pressure is too low
a person is embarrassed
19. Which of these causes goose bumps?
a.
b.
c.
d.
eccrine glands
sebaceous glands
arrector pili
hair follicles
20. The word which best describes the function of the skin is
a.
b.
c.
d.
resistance
insulation
protection
absorption