Why Do Rhinoviruses Infect the Upper Respiratory Tract, Particularly the Nose

question 62

Multiple Choice

Why do rhinoviruses infect the upper respiratory tract, particularly the nose, but not the lower respiratory tract?

• A)They are unable to attach to receptors on the pulmonary cells in the lower respiratory tract.
• B)They replicate most effectively at the cooler temperatures of the upper respiratory tract.
• C)The prevalence of alveolar macrophages in the lower respiratory tract prevents them from becoming established there.
• D)IgA antibodies in lower respiratory tract secretions prevent them from becoming established in the lower respiratory tract.

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Definitions:

Generativity Vs. Stagnation

A stage of adult development, according to Erik Erikson, focusing on the challenge of contributing to future generations versus becoming self-absorbed.

Autonomy Vs. Doubt

A stage in Erik Erikson's theory of psychosocial development where toddlers develop independence and autonomy if exploration is encouraged, or experience shame and doubt if restricted.

Identity Vs. Role Confusion

A stage in Erik Erikson's theory of psychosocial development where adolescents explore their independence and develop a sense of self.

Erikson

Refers to Erik Erikson, a psychoanalyst known for his theory on the psychological development of human beings across eight stages from infancy to adulthood.