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Midterm flashcards > GZOO Dermis & Hypodermis (2) > Flashcards

GZOO Dermis & Hypodermis (2) Flashcards

1
Q

Modified apocrine gland that secretes milk

A

Mammary

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2
Q

Modified apocrine gland that secretes earwax or cerumen

A

Ceruminous

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3
Q
  • scented sweat glands)
  • Axillary, anal and genital areas only
  • Ducts open into hair follicles
  • The organic molecules in it decompose with time - odor
A

Apocrine Sweat Glands

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4
Q
  • Most numerous
  • True sweat: 99% water, some salts, traces of waste
  • Open through pores
A

Ecceine or merocrine

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5
Q
  • tubular coiled glands that open in sweat pore on the surface of the skin secreting a clear fluid.
A

Sudoriferous gland

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6
Q

small alveolar glands usually formed close to hairs and opening on the upper portion of the follicle; absent on palms and soles.

A

Sebaceous glands

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7
Q

Type of sudoriferous gland:

distributed all over the body except in lips and genital orifice.

A

Eccrine gland

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8
Q

Very large branched tubular glands found in axillary, mammary and genital areas producing typical body odors.

A

Apocrine gland

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9
Q

Parts of hair

_____ is embedded in skin while _____ is the part projecting above skin surface.

A Root, shaft
B Shaft, root

A

A Root, shaft

ROOT is embedded in skin while SHAFT is the part projecting ABOVE skin surface.

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10
Q

True or false
Function of hair:

A Warmth - more in man than other animals
B sense light touch of the skin
C protection - scalp

A 
A 
It should be:
- warmth: LESS IN MAN than other animals
- sense light touch of the skin
- protection: scalp
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11
Q

Three concentric layers of hair. (Cross section parts)

  1. ___ (core) - inner part
  2. ___ (surrounds medulla) - thick median part
  3. ____ (single layers, overlapping) - covers and forms toughened outer portion.
A

Three concentric layers of hair.

  1. MEDULLA (core)
  2. CORTEX (surrounds medulla)
  3. CUTICLE (single layers, overlapping)
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12
Q

Make up of hair

A

Hard keratin

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13
Q

Parts of hair

growth zone; contains melanocytes that give color to the hair.

A Root
B Shaft
C Hair bulb matrix

A

C Hair bulb matrix - growth zone; contains melanocytes that give color to the hair.

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14
Q

Parts of hair:

enclosed in the follicle

A Root
B Shaft
C Hair bulb matrix

A

A Root -enclosed in the follicle

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15
Q

Parts of the hair:

the visible but dead portion of hair projecting the above surface of skin.

A Root
B Shaft
C Hair bulb matrix

A

B Shaft - the visible but dead portion of hair projecting the above surface of skin.

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16
Q

Which of the following is not true for nail?

A Finger nails grow at approximately 1mm per week
B It is made of hard keratin
C Corresponds to hooves and claws
D It grows from nail bed

A

Answer:
D It grows from nail bed

Nails grow from NAIL MATRIX.

17
Q

Covers the nail root

A Nail Body
B Free Edge
C Nail Root
D Nail Bed
E  ​Hyponychium or Cuticle
F Nail Matrix
G
A

Covers the nail root

E Hyponychium or Cuticle

18
Q

the distal exposed border attached to undersurface of hyponychium

A Nail Body
B Free Edge
C Nail Root
D Nail Bed
E  ​Hyponychium or Cuticle
F Nail Matrix
G  Lanula
A

the distal exposed border attached to undersurface of hyponychium

B Free Edge

19
Q

visible attached portion

A Nail Body
B Free Edge
C Nail Root
D Nail Bed
E  ​Hyponychium or Cuticle
F Nail Matrix
G Lanula
A

visible attached portion

A Nail Body

20
Q

actually the stratum granulosum of epidermis.

A Nail Body
B Free Edge
C Nail Root
D Nail Bed
E  ​Hyponychium or Cuticle
F Nail Matrix
G Lanula
A

actually the stratum granulosum of epidermis.

Nail Bed

21
Q

actually the stratum granulosum of epidermis.

A Nail Body
B Free Edge
C Nail Root
D Nail Bed
E  ​Hyponychium or Cuticle
F Nail Matrix
G Lanula
A

actually the stratum granulosum of epidermis.

D Nail Bed

22
Q

the growth area of nail.

A Nail Body
B Free Edge
C Nail Root
D Nail Bed
E  Hyponychium or Cuticle
F Nail Matrix
G Lanula
A

the growth area of nail.

F Nail Matrix

23
Q

Proximally embedded in the skin.

A Nail Body
B Free Edge
C Nail Root
D Nail Bed
E  Hyponychium or Cuticle
F Nail Matrix
G Lanula
A

Proximally embedded in the skin.

C Nail Root

24
Q

The hypodermis is made up of which of the following ?

A Adipose (fat) and loose connective tissue
B Blood vessels and nerves
C All of the above
D None of the above

A

C All of the above.

Hypodermis is made of:
Adipose (fat) and loose connective tissue
Blood vessels and nerves

25
Q

Functions of hypodermis:

A Storage in adipose tissue
B Cushions underlying tissue
C Insulates underlying structures
D All of the above

A

D All of the above

HYPODERMIS Functions
Storage in adipose tissue, cushions and insulates underlying structures

26
Q

– indicates embarrasment ( blushing ), fever, hypertension, inflammation, or allergy

A Jaundice or yellow cast
B Redness or erythema
C Blanching or Pallor
D Bruises or black and blue marks

A

indicates embarrasment ( blushing ), fever, hypertension, inflammation, or allergy

B Redness or erythema

27
Q

under certain types of emotional stress ( fear, anger ) some people become pale - pale skin also signifies anemia or hypotension

A Jaundice or yellow cast
B Redness or erythema
C Blanching or Pallor
D Bruises or black and blue marks

A

under certain types of emotional stress ( fear, anger ) some people become pale - pale skin also signifies anemia or hypotension

C Blanching or Pallor

28
Q

– due to escape of blood from the circulation and has clotted in the tissue spaces Hematoma – clotted blood masses unusual tendency to bruising may signify vitamin C

A Jaundice or yellow cast
B Redness or erythema
C Blanching or Pallor
D Bruises or black and blue marks

A

– due to escape of blood from the circulation and has clotted in the tissue spaces Hematoma – clotted blood masses unusual tendency to bruising may signify vitamin C

D Bruises or black and blue marks

29
Q

abnormal yellow skin tone usually signifies a liver disorder where excess bile pigments are absorbed into the blood, circulated throughout the body and deposited in body tissues

A Jaundice or yellow cast
B Redness or erythema
C Blanching or Pallor
D Bruises or black and blue marks

A

abnormal yellow skin tone usually signifies a liver disorder where excess bile pigments are absorbed into the blood, circulated throughout the body and deposited in body tissues

A Jaundice or yellow cast

30
Q

Which of the following is not true for CYANOSIS?

A bluish discoloration of the skin due to poor supply of carbon dioxide of the hemoglobin B common during heart failure and severe breathing disorders
C skin does not appear cyanotic in black people because of the masking effects of melanin
D apparent in mucous membranes and nail beds

A

Answer: A

– bluish discoloration of the skin due to POOR OXYGENATION of the HEMOGLOBIN (RBC)

  • common during heart failure and severe breathing disorders
  • skin does not appear cyanotic in black people because of the masking effects of melanin, but cyanosis is apparent in mucous membranes and nail beds
31
Q

Pigment contributing to skin color

in the dermal blood vessels
- the crimson color of ____ the dermal blood supply flushes through the transparent cell layers above and gives the skin a “rosy glow”

A Oxygen/Hemoglobin
B Melanin
C Carotene

A

A Oxygen/Hemoglobin

Oxygen – amount of oxygen bound to hemoglobin ( pigment in RBC ) in the dermal blood vessels
- the crimson color of OXYGEN RICH HEMOGLOBIN in the dermal blood supply flushes through the transparent cell layers above and gives the skin a “ROSY GLOW”

32
Q

Pigment contributing to skin color

– deposited in the stratum corneum and subcutaneous tissue
- orange-yellow pigment abundant in carrots, orange, deep yellow or leafy green vegetables

A Oxygen/Hemoglobin
B Melanin
C Carotene

A

C Carotene

33
Q

Pigment contributing to skin color

– yellow, reddish brown or black - people who produced a LOT of _____ have BROWNED-toned skin
- LIGHT skinned ( caucasian ) people have less _____

A Oxygen/Hemoglobin
B Melanin
C Carotene

A

B Melanin

34
Q

Hypodermis is also called

A

superficial fascia/subcutaneous fascia

35
Q

The following are found in dermis except for

A Leukocytes, blood vessels
B Intercalated disc, dead keratinocytes
C Sebaceous gland, sudoriferous gland, hair follicles
D Collagen, elastin, nerve fibers
E arrector pili or arrectus pilus muscles

A

Answer:

B Intercalated disc, dead keratinocytes

Midterm flashcards (8 decks)

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