Ten questions on the symptoms of skin disease
Symptoms of skin disease
Created 2020.
This exercise will ask you a set of ten questions on the symptoms of skin disease. Each question contains only one correct answer.
If you want to read up on it, you can do so by clicking on the link below.
Learning Objectives
Describe:
- Pathophysiology of pruritus
- Evaluation of itchy patient
- Treatment of pruritus
- Pathophysiology of pain
Name:
- Causes of localised pruritus
- Causes of generalised pruritus
- Causes of localised cutaneous pain
Created by: Dr Muhammad Wasay Ali Khan, DermNet NZ Volunteer
Editor: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand
Editor: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand
Symptoms of skin disease
Created 2020.
This exercise will ask you a set of ten questions on the symptoms of skin disease. Each question contains only one correct answer.
If you want to read up on it, you can do so by clicking on the link below.
Learning Objectives
Describe:
- Pathophysiology of pruritus
- Evaluation of itchy patient
- Treatment of pruritus
- Pathophysiology of pain
Name:
- Causes of localised pruritus
- Causes of generalised pruritus
- Causes of localised cutaneous pain
Created by: Dr Muhammad Wasay Ali Khan, DermNet NZ Volunteer
Editor: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand
Editor: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand
1. Select the correct description of itch:
a. Itch is mediated through free nerve endings transmitted by B–fibres
b. Itch may be induced by mechanical and chemical stimuli
c. Lesions of the dorsal column tract may disrupt itch sensations
d. Itch can be induced by centrally acting GABA and dopamine
2. In the evaluation of the itchy patient:
a. History should determine the time course of the symptoms and signs
b. Nails used for rubbing appear dulled and roughened
c. A full medical examination is necessary if there is a primary skin rash
d. Skin biopsy is best performed on a scratched spot
3. Initial screening tests in a patient with generalised pruritus without primary skin rash should include:
a. Bone marrow examination
b. Serum zinc
c. Antinuclear factor
d. Liver function tests
5. Select the abnormality shown in the image above:
a. Excoriated dermatitis
b. Dermatitis herpetiformis
c. Scabies
d. Urticaria
6. Select the correct description of generalised itch:
a. Dry skin may relate to underlying hyperthyroidism
b. The generalised itchy rash of scabies is due to thousands of mites crawling underneath the skin surface
c. Dermatitis herpetiformis is associated with an enzyme deficiency
d. Urticaria causes shifting itchy wheals that may be absent at the time of examination
6. Scalp itch in children is associated with:
a. Pediculosis
b. Grover disease
c. Streptococci
d. Psoriasis
8. Generalised itch is not associated with:
a. Multiple sclerosis
b. Acute renal failure
c. Primary biliary cirrhosis
d. Iron deficiency
9. In the treatment of generalised pruritus:
a. Emollients should be avoided as they frequently aggravate symptoms
b. Severe generalised pruritus should be treated with potent topical steroids
c. Topical anaesthetics and antihistamines may provoke contact allergic dermatitis
d. Sun exposure must be minimised
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