Stimulant Expectorants Work by Which of the Following Mechanisms?
1) $\beta$

question 25

Multiple Choice

Stimulant expectorants work by which of the following mechanisms?
1) $\beta$ -Adrenergic stimulation
2) Vagal gastric reflux stimulation
3) Direct stimulation of glands in the respiratory tract
4) Topical stimulation
5) Cholinergic stimulation

• A)1 and 5 only
• B)1,3,4,and 5 only
• C)2,3,and 4 only
• D)1,2,3,4,and 5

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Definitions:

Urie Bronfenbrenner

A psychologist known for introducing the ecological systems theory to explain how the inherent qualities of a child and the characteristics of the external environment interact to influence how the child will grow and develop.

Jean Piaget

A Swiss psychologist known for his pioneering work in child development, especially his theory of cognitive development stages.

Developmental Theory

A framework for understanding how and why people change or remain the same over time, particularly from infancy through adulthood.