Answer to Question 1
Correct Answer: 1,2,3,5
Rationale 1: One of the causative factors for allergic rhinitis is animal dander.
Rationale 2: Tobacco smoke causes the allergic rhinitis reaction in some people.
Rationale 3: Allergic response to pollen can cause allergic rhinitis in some people.
Rationale 4: Although associated with asthma, allergic rhinitis is not caused by asthma.
Rationale 5: There is a strong genetic predisposition for allergic rhinitis.
Answer to Question 2
Correct Answer: 2,3,5
Rationale 1: The trachea and bronchi are part of the lower respiratory tract.
Rationale 2: The nose warms the air before it reaches the lungs.
Rationale 3: The nasal mucosa is the first line of immunological defense.
Rationale 4: Activation of the sympathetic nervous system, not the parasympathetic nervous system, constricts arterioles in the nose.
Rationale 5: Activation of the sympathetic nervous system constricts arterioles in the nose.