Answer to Question #1:

• Positive SPT to house dust mite, bermuda grass pollen, rye grass pollen, dog.
• This worker is atopic.

(Back to exercise, Question #2)

Answer to Question #2:

• Positive SPT to flour extracts (wheat, rye, barley, soya, corn, oats) and fungal alpha amylase.
• Handling flour as a baker.

(Back to exercise, Question #3)

Answer to Question #3:

• Positive SPT to spidermite only.
• Yes, since this is an outdoor phytophagus mite found on leaves of fruit trees.

(Back to exercise, Question #4)

Answer to Question #4:

• Positive SPT to fishmeal, pilchard, anchovy, red eye, mackerel.
• Inhaling the fish allergens in the fishmeal dust particles.

(Back to exercise)