skin

Question 1

sebaceous gland type? of secretion? what is secreted?

Answer 1

branched acinar
holocrine secretion (mmb rupture)
sebum

Question 2

eccrine sweat gland type? of secretion? what is secreted?

Answer 2

simple tubular coiled
eccrine/merocrine (exocytosis)
sweat (glycoproteins)

Question 3

apocrine sweat gland type? of secretion? what is secreted?

Answer 3

branched tubular
eccrine
sweat

Question 4

mammary gland

Answer 4

compound tubuloalveolar gland
merocrine for the prots and apocrine for the lipids
milk

Question 5

Birbek’s rod-like granules are found in which cells? and where are these cells ?

Answer 5

Langerhans cells. In stratum spinosum of epidermis.

Question 6

Which of the following are true of the arrector pili muscle?
• are composed of bundles of myoepithelial cells
• help push sebum onto the skin surface
• effect hair position in humans
• are directly attached to the external root sheath by desmosomes
• contain capillary networks that nourish growing hairs

Answer 6

-++–

it’s smoothe muscle cells!
and that’s it’s minor function
are attached to connective tissue sheath

Question 7

unencapsulated sensory receptors?

Answer 7

merkel, free nerve endings and hair plexus

Question 8

encapsulated sensory receptors?

Answer 8

meissner’s corpusclus, pacinian corpuscles, krause’s end-bulbs, ruffini corpuscles

Question 9

which layer(S) are completely keratinized?

Answer 9

only stratum corneum

Question 10

Which of the statements concerning eccrine sweat glands are false?
• abundant in skin of palms
• simple tubular coiled glands
• branched tubular coiled glands
• compound tubular glands
• their ducts are lined by stratified cuboidal epithelium

Answer 10

true: abundant in palm, simple tubular coiled, ducts lined with stratified cuboidal epi

Question 11

intensely basophilic
• keratohyaline granules
• lamellar granules
• neither

Answer 11

only keratohyaline

Question 12

contains macrophages
• stratum corneum
• stratum spinosum
• stratum lucidum
• stratum basale
• stratum granulosum
• none of the above

Answer 12

none!

Question 13

Which of the following statements concerning dermis are true?
• contains blood vessels
• contains dermatan sulphate
• contains keratinocytes
• composed of regular dense connective tissue
• contains numerous Merkel’s cells

Answer 13

+ + - - -

Question 14

contained in organ of Corti
• Mechanoreceptor
• Thermoreceptor
• Nociceptor
• Proprioceptor
• Photoreceptor
• Chemoreceptor
• Audioreceptor

Answer 14

meca and audi

Question 15

pain receptor
• Mechanoreceptor
• Thermoreceptor
• Nociceptor
• Proprioceptor
• Photoreceptor
• Chemoreceptor
• Audioreceptor

Answer 15

nociceptor

Question 16

contained in olfactory epithelium
• Mechanoreceptor
• Thermoreceptor
• Nociceptor
• Proprioceptor
• Photoreceptor
• Chemoreceptor
• Audioreceptor

Answer 16

chemo

Question 17

contained in olfactory epithelium
• Mechanoreceptor
• Thermoreceptor
• Nociceptor
• Proprioceptor
• Photoreceptor
• Chemoreceptor
• Audioreceptor

Answer 17

photo

Question 18

Tricohylaine granules are:

• …
• present in Huxley’s layer of internal root sheath

Answer 18

Tricohylaine granules are:
(acidophilic)
present in Huxley’s layer of internal root sheath (Huxley is the middle layer of the three in the inner root sheath)