Plant Dermatoses

Question 1

Allergic contact dermatitis is a type I hypersensitivity reaction.

Answer 1

False

Question 2

Rhus plants are a common cause of allergic contact dermatitis in the USA.

Answer 2

True

Question 3

Urushiol is the allergen found in poison ivy, poison oak, and poison sumac.

Answer 3

True

Question 4

Irritant contact dermatitis requires prior sensitization to the offending plant.

Answer 4

False

Question 5

ICD can occur in any individual exposed to sufficient concentrations of irritants.

Answer 5

True

Question 6

Latex allergy is an example of phytophotodermatitis.

Answer 6

False

Question 7

Patch testing is useful in diagnosing allergic phytodermatitis.

Answer 7

True

Question 8

ICD usually presents bilaterally and symmetrically.

Answer 8

True

Question 9

Allergenicity of urushiol is destroyed by drying.

Answer 9

False

Question 10

Mango peels can induce dermatitis in Rhus-sensitive individuals.

Answer 10

True

Question 11

The Anacardiaceae family includes poison ivy and mango.

Answer 11

True

Question 12

Compositae plants release allergens only upon injury.

Answer 12

False

Question 13

The daisy family (Compositae) commonly causes airborne contact dermatitis.

Answer 13

True

Question 14

Alstroemeria can cause chronic hand eczema in florists.

Answer 14

True

Question 15

Plants of the Euphorbiaceae family contain milky sap that is irritant.

Answer 15

True

Question 16

Grevillea is commonly associated with systemic contact dermatitis.

Answer 16

True

Question 17

Primula obconica’s allergen is primin, found in glandular trichomes.

Answer 17

True

Question 18

Handling tulips can result in tulip fingers due to irritant reaction.

Answer 18

False

Question 19

Chrysanthemum sensitization is mainly due to sesquiterpene lactones.

Answer 19

True

Question 20

Wild parsnip causes irritant contact dermatitis when ingested.

Answer 20

False

Question 21

Phytophotodermatitis is a photoallergic reaction to plant-derived furocoumarins.

Answer 21

False

Question 22

Exposure to celery under sunlight can trigger phytophotodermatitis.

Answer 22

True

Question 23

Citrus fruits are not implicated in phytophotodermatitis.

Answer 23

False

Question 24

Psoralens are phototoxic compounds found in plants.

Answer 24

True

Question 25

Phytophotodermatitis often causes linear or splash-like hyperpigmented lesions.

Answer 25

True

Question 26

Diagnosis of phytophotodermatitis often requires biopsy.

Answer 26

False

Question 27

Fig trees contain psoralens and can cause phototoxicity.

Answer 27

True

Question 28

Lime-induced phytophotodermatitis is also called 'bartender’s dermatitis'.

Answer 28

True

Question 29

Sun exposure is required for phytophotodermatitis to occur.

Answer 29

True

Question 30

Photopatch testing is essential for phytophotodermatitis diagnosis.

Answer 30

False

Question 31

Stinging nettle causes dermatitis by mechanical and chemical means.

Answer 31

True

Question 32

Plant spines and hairs can cause mechanical dermatitis without chemical irritants.

Answer 32

True

Question 33

Urticaria from plants can be caused by histamine-liberating compounds.

Answer 33

True

Question 34

Cowhage causes pruritus via mechanical trauma only.

Answer 34

False

Question 35

Mucuna pruriens causes itching due to mucunain, a proteolytic enzyme.

Answer 35

True

Question 36

Some plants induce urticaria by direct histamine release.

Answer 36

True

Question 37

Urticaria from nettle resolves without pigmentary changes.

Answer 37

True

Question 38

Cactus spines can lead to granulomatous dermatitis.

Answer 38

True

Question 39

Contact urticaria can progress to systemic anaphylaxis.

Answer 39

True

Question 40

Cowhage-induced dermatitis is mediated by delayed-type hypersensitivity.

Answer 40

False

Question 41

ABCD is often due to pollen and volatile allergens from plants.

Answer 41

True

Question 42

Parthenium hysterophorus is a major cause of ABCD in India.

Answer 42

True

Question 43

ABCD lesions typically spare covered areas of the skin.

Answer 43

True

Question 44

Patch testing helps confirm the diagnosis of ABCD.

Answer 44

True

Question 45

Airborne allergens cannot penetrate through clothing.

Answer 45

False

Question 46

Compositae plants are a leading cause of ABCD.

Answer 46

True

Question 47

ABCD often involves eyelids, neck, and V of the chest.

Answer 47

True

Question 48

ABCD can mimic photosensitive dermatoses.

Answer 48

True

Question 49

Airborne allergens are only present during pollination season.

Answer 49

False

Question 50

Sunscreens prevent ABCD.

Answer 50

False

Question 51

In systemic contact dermatitis, ingestion of the allergen triggers a reaction.

Answer 51

True

Question 52

Mango pulp typically causes systemic contact dermatitis.

Answer 52

False

Question 53

Oral mucosa is commonly affected in systemic contact dermatitis.

Answer 53

False

Question 54

ACD history may predispose patients to systemic reactions.

Answer 54

True

Question 55

Poison ivy ingestion can cause generalized dermatitis.

Answer 55

True

Question 56

Systemic contact dermatitis is diagnosed by oral challenge testing.

Answer 56

True

Question 57

Patch testing is usually negative in systemic contact dermatitis.

Answer 57

False

Question 58

Mango skin contains urushiol-like compounds.

Answer 58

True

Question 59

Tea tree oil can cause systemic dermatitis.

Answer 59

True

Question 60

Systemic contact dermatitis is dose-independent.

Answer 60

False

Question 61

Patch testing with plant extracts must be done cautiously.

Answer 61

True

Question 62

Photopatch testing is used to diagnose photoallergic reactions.

Answer 62

True

Question 63

Topical corticosteroids are the mainstay of treatment for plant dermatitis.

Answer 63

True

Question 64

Antihistamines are ineffective in treating urticaria from plants.

Answer 64

False

Question 65

Identification of the offending plant is crucial in plant dermatitis.

Answer 65

True

Question 66

Avoidance is the primary preventive strategy for phytodermatitis.

Answer 66

True

Question 67

Personal protective equipment is useful for florists and gardeners.

Answer 67

True

Question 68

Oral corticosteroids are required in extensive Rhus dermatitis.

Answer 68

True

Question 69

Secondary infections are rare in plant-induced dermatitis.

Answer 69

False

Question 70

Wet dressings can be used in acute weeping lesions.

Answer 70

True

Question 71

Fig leaves can cause irritant dermatitis independent of light exposure.

Answer 71

True

Question 72

Neem leaves are a common cause of allergic phytodermatitis.

Answer 72

True

Question 73

Eucalyptus oil is a rare but possible sensitizer.

Answer 73

True

Question 74

Pineapple juice has been associated with irritant contact dermatitis.

Answer 74

True

Question 75

Oleander is both toxic and causes dermatitis.

Answer 75

True

Question 76

Essential oils can cause either irritant or allergic reactions.

Answer 76

True

Question 77

Hairdressers are at risk of tulip finger dermatitis.

Answer 77

True

Question 78

Cacti cause dermatitis by chemical irritation.

Answer 78

False

Question 79

Aloe vera is always safe for topical use.

Answer 79

False

Question 80

Plant dermatitis can resemble atopic dermatitis clinically.

Answer 80

True

Question 81

Phytophotodermatitis can cause hyperpigmentation.

Answer 81

True

Question 82

Berloque dermatitis is due to bergamot oil in perfumes.

Answer 82

True

Question 83

Linear pigmentation is diagnostic of photodermatitis.

Answer 83

False

Question 84

Furocoumarins increase melanin production upon UV exposure.

Answer 84

True

Question 85

Pigmentary changes in plant dermatitis are permanent.

Answer 85

False

Question 86

Hyperpigmentation from phytophotodermatitis fades with time.

Answer 86

True

Question 87

Post-inflammatory hypopigmentation is a feature of mechanical dermatitis.

Answer 87

False

Question 88

Cosmetic camouflage is sometimes needed in pigmentation disorders.

Answer 88

True

Question 89

Avoidance of sunlight after exposure to certain plants is advisable.

Answer 89

True

Question 90

Pigmented lesions from phytodermatitis are always painful.

Answer 90

False

Question 91

Florists, gardeners, and farmers are at high risk of plant dermatitis.

Answer 91

True

Question 92

Occupational dermatitis from plants can lead to job change.

Answer 92

True

Question 93

Legal recognition of plant dermatitis as occupational disease exists in some countries.

Answer 93

True

Question 94

Protective gloves can cause sensitization themselves.

Answer 94

True

Question 95

Airborne allergens in greenhouses can cause chronic eczema.

Answer 95

True

Question 96

Regular patch testing is advisable for high-risk occupations.

Answer 96

True

Question 97

Employers are responsible for plant safety education.

Answer 97

True

Question 98

Work-related dermatitis is not covered under occupational health policies.

Answer 98

False

Question 99

Preventive creams provide a barrier against plant allergens.

Answer 99

True

Question 100

Dermatitis from plant exposure is often underdiagnosed in workplaces.

Answer 100

True