Share the knowledge Pruritus Quiz 1 / 50 What is the recommended initial step in evaluating a patient with chronic, generalized pruritus? A) Radiologic studies B) Complete history and physical examination C) Skin biopsy D) Prescribe topical steroids immediately 2 / 50 What time of day does itching tend to be most severe, according to the passage? A) Morning B) Afternoon C) Evening, especially during undressing for bed 3 / 50 What is the most common systemic cause of pruritus? A) Diabetes mellitus B) Chronic kidney disease (CKD) C) Liver disease D) Hypothyroidism 4 / 50 What percentage of patients with chronic renal failure experience itching? A) 5–10% B) 40–80% C) 90–100% D) 50–70% 5 / 50 Which of the following factors has NOT been implicated in the mechanism of pruritus associated with CKD? A) Xerosis B) Secondary hyperparathyroidism C) Increased serum histamine levels D) Hyperthyroidism 6 / 50 Which treatment option has traditionally been a mainstay for CKD-associated pruritus? A) Topical steroids B) Narrow-band UVB phototherapy C) Oral antihistamines D) Topical antibiotics 7 / 50 What is the ultimate solution for eliminating pruritus in CKD patients? A) Aggressive use of emollients B) Gabapentin therapy C) Renal transplantation D) Topical steroids 8 / 50 Exacerbating factors for erythromelalgia include: A) Cold weather B) Heat and exercise C) Eating spicy food D) Rest and relaxation 9 / 50 The diagnosis of erythromelalgia is primarily established by: A) Blood tests B) Clinical examination C) MRI scans D) Genetic testing 10 / 50 Differential diagnoses for erythromelalgia include : A) Peripheral neuropathy B) Peripheral vascular disease C) Acrocyanosis D) All the above 11 / 50 What is a characteristic sign of Trigeminal Trophic Syndrome (TTS) on the nose? A) Tip of the nose is usually affected B) Alar rim involvement with the tip of the nose spared C) Only the nasal bridge is affected D) Complete sparing of the nose 12 / 50 What clinical signs might indicate malignancy in a patient with chronic pruritus? A) Itch quality and duration B) Localisation and spread of itch C) Weight loss, fever, night sweats D) Previous drug intake 13 / 50 What term describes the sensation of insects crawling on the skin? A) Formication B) Pricking itch C) Burning itch D) Tingling itch 14 / 50 What might be seen in the dermis of patients with prurigo nodularis associated with renal failure? A) Increased melanin B) Transepidermal elimination of degenerated collagen C) Reduced vascularization D) Decreased mononuclear cell infiltrate 15 / 50 What is a common clinical differential diagnosis for prurigo nodularis? A) Psoriasis B) Pemphigoid nodularis C) Eczema D) Acne 16 / 50 Which of the following is not a potential contributing factor to prurigo nodularis? A) Atopic dermatitis B) Hepatic diseases C) Vitamin D deficiency D) HIV disease 17 / 50 What triggers bouts of extreme pruritus in patients with prurigo nodularis? A) Physical activity B) Stress C) Exposure to sunlight D) Cold weather 18 / 50 Prurigo nodularis primarily affects which areas of the body? A) Face and neck B) Extremities C) Chest and abdomen D) Back and shoulders 19 / 50 Chronic scratching in lichen simplex chronicus may lead to: A) Dermal deposits of amyloid and development of lichen or macular amyloidosis B) Hypopigmentation and smooth skin C) Hair loss and scarring D) Formation of fluid-filled blisters 20 / 50 What should be sought and treated if found in a patient with lichen simplex chronicus? A) Fungal infections B) Atopic dermatitis or ringworm C) Vitamin deficiencies D) Hormonal imbalances 21 / 50 Which of the following is ineffective in treating prurigo pigmentosa? A) Dapsone B) Alteration of diet C) Topical steroids D) Minocycline 22 / 50 What histological findings are seen in early lesions of prurigo pigmentosa? A) Lymphocytes in the dermal papillae B) Neutrophils in the dermal papillae and epidermis C) Eosinophils in the epidermis D) Mast cells in the dermis 23 / 50 Which body areas are most frequently involved in prurigo pigmentosa? A) Lower back and abdomen B) Hands and feet C) Upper back, nape, clavicular region, and chest D) Face and neck 24 / 50 What is the characteristic clinical feature of prurigo pigmentosa upon healing? A) Scarring B) Reticulated hyperpigmentation C) Ulceration D) Hypopigmentation 25 / 50 Which of the following conditions is prurigo pigmentosa associated with? A) Hyperthyroidism B) Weight loss and dieting C) High blood pressure D) Vitamin D deficiency 26 / 50 Within what time frame do most patients experience discomfort after water exposure? A) Within minutes B) Within hours C) The next day D) Instantly 27 / 50 When burning rather than itching predominates in the vulva, what should the patient be evaluated for? A) Allergies B) Infections C) Sensory neuropathy D) Hormonal imbalances 28 / 50 Which condition should be considered if urinary incontinence is present? A) Lichen planus B) Contact dermatitis C) Lichen sclerosus D) Vulvodynia 29 / 50 Which organism causes vulvar pruritus and can be detected by its motility, size, and piriform shape? A) Candida albicans B) Trichomonas vaginalis C) Epidermophyton floccosum D) Trichophyton rubrum 30 / 50 During which condition is vaginal candidiasis a frequent cause of pruritus vulvae? A) Menopause B) Pregnancy C) Puberty D) Menstruation 31 / 50 In prepubertal children, what is the most frequent nature of vulvar itching? A) Allergic B) Infectious C) Irritant D) Neurogenic 32 / 50 What symptom may occur after attempts to wean patients off high-potency topical steroids on the scrotum? A) Itching and scaling B) Severe burning and redness C) Blistering and peeling D) Swelling and pain 33 / 50 What may cause "addicted scrotum syndrome"? A) Overuse of topical antifungals B) Use of high-potency topical steroidal agents C) Use of systemic antibiotics D) Excessive washing with soap 34 / 50 What is often the primary symptom when candidal infection affects the scrotum? A) Pruritus B) Burning C) Pain D) Swelling 35 / 50 What is the most frequent type of itching seen on the scrotum? A) Allergic pruritus B) Neurogenic pruritus C) Psychogenic pruritus D) Infectious pruritus 36 / 50 What type of infection is the scrotum of an adult relatively immune to? A) Viral infection B) Bacterial infection C) Dermatophyte infection D) Parasitic infection 37 / 50 What condition might present with pruritus ani due to an underlying neurological issue? A) Cervical radiculopathy B) Lumbosacral radiculopathy C) Thoracic radiculopathy D) Carpal tunnel syndrome 38 / 50 Which regions are particularly susceptible to developing eczema craquelé? A) Pretibial regions B) Upper arms C) Lower back D) Face 39 / 50 What dosage of paroxetine is reported to be effective for pruritus in polycythemia vera? A) 10 mg/day B) 20 mg/day C) 40 mg/day D) 60 mg/day 40 / 50 Which of the following is NOT mentioned as an effective treatment for pruritus in polycythemia vera? A) PUVA B) NB UVB C) Paroxetine D) Corticosteroids 41 / 50 How long does it typically take for PUVA and NB UVB treatments to show complete remission in polycythemia vera-associated pruritus? A) 1–2 weeks B) 2–10 weeks C) 3–6 months D) 1 year 42 / 50 Which medication provides immediate relief from itching in polycythemia vera but carries a risk of hemorrhagic complications? A) Paroxetine B) Aspirin C) Interferon alpha-2 D) Jak2 inhibitors 43 / 50 What typically induces pruritus in patients with polycythemia vera? A) Eating spicy food B) Temperature changes C) Stress D) Physical exercise 44 / 50 Which systemic disease has been associated with primary biliary cirrhosis in several cases? A) Rheumatoid arthritis B) Scleroderma C) Lupus D) Multiple sclerosis 45 / 50 Which of the following is NOT a common complication of primary biliary cirrhosis? A) Steatorrhea B) Osteoporosis C) Increased cholesterol levels D) Decreased serum bilirubin levels 46 / 50 Which laboratory test is typically positive in primary biliary cirrhosis? A) Antimitochondrial antibody test B) Antinuclear antibody test C) Rheumatoid factor test D) Antithyroid antibody test 47 / 50 What is a common symptom seen in patients with primary biliary cirrhosis aside from pruritus and hyperpigmentation? A) Eruptive xanthomas B) Skin blisters C) Skin ulcers D) Cyanosis 48 / 50 Which skin manifestation is characteristic of advanced primary biliary cirrhosis? A) Melanotic hyperpigmentation B) Erythema C) Psoriasis D) Vitiligo 49 / 50 Primary biliary cirrhosis occurs almost exclusively in which demographic group? A) Men older than 30 B) Women older than 30 C) Children under 18 D) Men and women of all ages 50 / 50 What caution should be taken when prescribing rifampin for biliary pruritus? A) It may cause hepatitis. B) It may cause gastrointestinal bleeding. C) It may lead to allergic reactions. D) It may cause renal failure. Your score isThe average score is 62% 0% Restart quiz Share the knowledge
yes
nice site