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[OS 216] Immuno E2 > 2017 > Flashcards

Flashcards in 2017 Deck (100)
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1

Which is generally not associated with allergic conjunctivitis?
A. conjunctival chemosis
B. purulent yellowish discharge
C. papillary hypertrophy
D. conjunctival redness
E. NOTA

B

2

Which is true of Vernal Keratoconjunctivitis?
A. type I & III hypersensitivity reactions are involved
B. predominantly in females
C. may exhibit Herbert’s Pits on the limbus
D. has palpebral papillary hypertrophy
E. NOTA

D

3

Which is true of Atopic Keratoconjunctivitis?
A. primarily type IV hypersensitivity reaction
B. more common in younger patients
C. it is a seasonal disease
D. steroids are contraindicated
E. NOTA

A

4

Which is not part of the management of Contact lens induced conjunctivitis
A. discard current soft contact lens
B. contact lens holiday
C. switch to rigid gas permeable contact lens
D. use oral corticosteroids
E. NOTA

D

5

Which is true of Perennial Allergic Conjunctivitis
A. cold compresses produce a vasodilating effect
B. mast cell stabilizers are great for severe acute attacks
C. topical corticosteroids are useful
D. neutrophils on conjunctival scrapings are pathognomonic
E. none of the above

C

6

Which of the following is a non-immune mediated adverse food reaction?
A. eosinophilic gastroenteritis
B. asthma
C. allergic contact dermatitis
D. lactose intolerance

D

7

Which of the following is an IgE-mediated adverse food reaction?
A. allergic rhinitis
B. asthma
C. allergic contact dermatitis
D. lactose intolerance

A

8

Which of the following is a non-IgE-mediated food allergy?
A. eosinophilic gastroenteritis
B. anaphylaxis
C. food protein-induced enterocolitis syndrome
D. atopic dermatitis

C

9

Which if the following is important to ask in taking the history of a patient with suspected food allergy?
A. the number of times that the food has been taken
B. the time interval between onset of symptoms and when the food was taken
C. the time of day that the food was taken
D. where the food was taken

B

10

Which of the following food has the propensity to cause an allergic reaction?
A. egg
B. pork
C. rice
D. orange

A

11

Which of the following symptoms, which when present by itself, could be due to food allergy?
A. cough
B. Diarrhea
C. Difficulty of breathing
D. Rashes

D

12

In a patient with cow milk allergy, what alternative would you recommend?
A. Breast milk
B. Goat milk
C. Soy milk
D. Horse milk

A

13

In a patient with egg allergy, which of the following food items would you advise the patient to avoid?
A. Casein
B. Mayonnaise
C. Marinara Sauce
D. Peanut flour

B

14

Unnecessary dietary elimination due to suspected food allergy may result in:
A. Sleep disturbances
B. Malnutrition
C. Impairment in social communication
D. Bankruptcy

B

15

Medical treatment for itchy skin rashes after eating shrimps:
A. Loratadine
B. Montelukast
C. Famotidine
D. Prednisone

A

16

In a person with allergy to shrimps, which of the following should he avoid?
A. Chicken
B. Tuna
C. Crab
D. Clams

C

17

Which of the following is NOT recommended for food allergy?
A. Avoidance of the offending allergen
B. Patient education
C. Immunotherapy
D. Pharmacotherapy

C

18

Which of the following food allergy would tend to persist?
A. Cow milk allergy
B. Lobster allergy
C. Chicken allergy
D. Pork allergy

B

19

A 5-year old patient developed flushed skin and difficulty of breathing after eating breakfast composing of wheat bread, peanut butter, and guava jelly sandwich with milk. Which of the following is the most likely culprit?
A. Wheat
B. Peanut
C. Guava
D. Cow milk

B

20

A 5-year old patient developed flushed skin and difficulty of breathing after eating breakfast composing of wheat bread, peanut butter, and guava jelly sandwich with milk.

You were the one who saw the patient at the ER, what medicine will you give?
A. Diphenhydramine
B. Hydrocortisone
C. Epinephrine
D. Salbutamol

C

21

Which antibody directly participates in the anaphylactic reaction?
a. IgD
b. IgE
c. IgG
d. IgM
e. IgA

B

22

Which of the following is the most common reaction seen in anaphylaxis?
a. Dyspnea/wheezing
b. Neurologic complaints
c. Flushing
d. Urticaria/Angioedema
e. Gastrointestinal complaints

D

23

Which of the following best describes the time course of histamine elevation in association with an anaphylactic episode?
a. Begins to rise 5-10 minutes, remains elevated for 30-60 minutes
b. a. Begins to rise 5-10 minutes, peaks in 60-90 minutes
a. Begins to rise 5-10 minutes, remains elevated for as long as 5 hours
d. a. Begins to rise 5-10 minutes, remains elevated for 60-90 minutes

A

24

Which of the following drug indicated below most commonly causes an IgE mediated allergic reaction?
a. Paracetamol
b. Penicillin
c. Blood transfusion
d. Prednisone
e. Metronidazole

B

25

An asymptomatic 24-year old man is referred for an allergy evaluation because he was found to have a serum IgE level of 87 IU/mL. The patient has no history of allergic disease. Family history is not known, as the patient was adopted at a young age. Which of the following would be the most accurate information to share with the patient?
a. There is virtually no chance of atopic disease in a patient with total serum IgE of less than 100 IU/ML
b. Virtually all patients with a total serum IgE level of greater than 50 IU/mL have severe allergic disease
c. The measurement of total serum IgE is a powerful screening test for allergic disease
d. The measurement of total serum IgE is of limited value as a screening test for allergic disease

D

26

Which of the following is TRUE about the epidemiology of allergic rhinitis?
a. If both parents have a history of allergies, their children may develop rhinitis symptoms by 2-3 years of age
b. The later the age of onset of symptoms, the greater the likelihood of allergic rhinitis regression
c. Among children, females have a higher prevalence of allergic rhinitis than males
d. Prevalence peaks at age 6-7 and 13-14 with respective increase of 66% and 45% in the 10-year ISAAC study.

D

27

Which situation poses a low risk for developing allergies?
a. increasing age
b. higher socioeconomic status
c. later introduction of solid foods
d. exposure to environmental tobacco smoke

D

28

Which of the following i TRUE about the pathophysiology of allergic rhinitis?
a. during sensitization, B-cells produce IgE antibodies specific to the allergens
b. The cytokine stimulus for IgE production comes from TH1 cells
c. Histamine and leukotrienes are released by mast cells hours after allergen exposure
d. Sneezing and pruritus are a result of immediate release of leukotrienes and prostaglandins

A

29

Pompei is a second year medical student who consulted you for early morning sneezing and rhinorrhea for the past year. At night, he has nasal congestion and would sometimes wake up coughing. Symptoms occur 4-5 times a week that become worse when staying at his apartment. Based on the ARIA protocol, you diagnose him with allergic rhinitis and classify and treat it as:
a. Mild intermittent
b. Mild persistent
c. Moderate to severe intermittent
d. Moderate to severe persistent

D

30

Which of the following is TRUE about diagnostic tests for allergic rhinitis?
a. Negative skin prick testing excludes IgE-mediated cause to rhinitis symptoms
b. Intradermal skin test is more sensitive but less reliable that intracutaneous skin test
c. Assay of specific IgE in serum has higher sensitivity and specificity than skin test
d. A positive intracutaneous skin test with 1:500-1:1000 weight/volume of extract has a high predictive value for the presence of allergy

B