Delta Derm formatives Flashcards

1
Q

Which glands are attached to the hair follicles in the skin

A

Sebaceous glands

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2
Q

What are the commonest sweat glands on the face

A

Eccrine

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3
Q

Are hemi-desmosomes present in the dermis

A

No

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4
Q

Are fibroblasts present in the dermis

A

Yes

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5
Q

Which cytotoxin is associated with MRSA

A

Panton Valentine Leukocidin

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6
Q

Where are langerhans cells formed

A

Bone marrow

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7
Q

Which porphyria is suggested by symptoms of red skin and tingling

A

Erythropoietic Protoporphyria

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8
Q

Which cells in the skin carry out vitamin D metabolism

A

Keratinocytes

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9
Q

Where is energy stored in the skin

A

Subcutaneous fat

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10
Q

Where does epidermal proliferation take place

A

Basal layer

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11
Q

Which epidermal layer contains Odland bodies

A

Granular layer

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12
Q

Which epidermal layer has polyhedral cells with lots of desmosomes

A

Prickle cell layer

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13
Q

Which poryphria is suggested by symptoms of blistering, skin fragility and excess hair growth

A

PCT

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14
Q

How many days does it take for a cell to migrate from the basal layer to the keratin layer

A

28 days

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15
Q

What is being described:

semisolid emulsion of oil in water, contains preservative, cosmetically acceptable, non greasy

A

Cream

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16
Q

What is being described:

semisolid grease/oil, no preservative, less cosmetically attractive, greasy

A

Ointment

17
Q

What is being described:

thickened aqueous solutions

A

Gel

18
Q

What is being described:

semisolids, stiff, greasy, difficult to apply, often used in cooling, drying, soothing bandages

A

Paste

19
Q

Investigation for ring worm

A

Skin scraping for microscopy and culture, and woods light

20
Q

Investigation for Scabies

A

Skin scrapings for microscopy

21
Q

When is a very potent topical steroid used for chronic plaque psoriasis of the trunk and limbs

A

Not used

22
Q

HPV types 1-4 are responsible for what

A

Warts/ Verucca’s

23
Q

HPV types 6 & 11 are responsible for what

A

Genital warts

24
Q

Are creams or ointments more likely to cause contact sensitisation and why

A

Creams

Because they contain preservatives

25
Q

Define Breslow thickness

A

The depth from the granular layer of the epidermis to the deepest melanoma cell

26
Q

When excising skin, which method provides the best aesthetic result

A

An elliptical excision with the scalpel cutting at 90 degrees to the surface of the skin

27
Q

Which ONE of the following statements is TRUE regarding mucosal membranes:
They are rarely affected by skin diseases
They are usually keratinised Incorrect
They are highly specialised for function
They do not have any sensory function
They do not contain glands

A

They are highly specialised for function

28
Q

What is a fluid-filled lesion under 0.5cm

A

Vesicle

29
Q

What is a compressable dermal swelling called

A

A wheal

30
Q

What is a lesion with raised edges and a flatter surface (> 0.5cm) called

A

Plaque

31
Q

What is a nodule containing semi-solid material called

A

Cyst

32
Q

What is a fluid-filled lesion over 0.5cm called

A

Bulla

33
Q

Describe a papule

A

Localised elevated area < 0.5cm

34
Q

Describe a nodule

A

Localised elevated area > 0.5cm

35
Q

What are accumulated fragments of keratin layer on top of a lesion called

A

Scale

36
Q

Describe lichenification

A

Thickening with increased skin markings

37
Q

What is the difference between an ulcer and an erosion

A

Erosion is a superficial break in the epidermis

An ulcer is a deeper break into the dermis

38
Q

What is a linear split in the epidermis called

A

Fissure