The hygiene hypothesis postulates that allergies
A) are most frequent in unhygienic environments
B) can be controlled by maintaining good hygiene
C) are less prevalent in less hygienic environments
D) both a and b
Correct Answer:
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Q20: Which of the following is true about
Q21: Drugs used to control asthma symptoms may
Q22: A important discovery concerning allergic responses is
Q23: Psychosocial stress has an impact on allergy
Q24: Which of the following is not true
Q25: Mast-cell degranulation
A) initiates inflammation
B) gives rise to
Q26: The gastrointestinal tract (GIT) is a major
Q27: Disorders such as asthma and eczema were
Q29: Allergic responses
A) require the participation of B-lymphocytes
B)
Q30: Allergies tend to run in families and
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