The nose serves all the following functions except ________.

as a passageway for air movement

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as the initiator of the cough reflex

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warming and humidifying the air

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cleansing the air

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Solution

The correct option is B
as the initiator of the cough reflex

The cough reflex has both sensory (afferent) mainly via the vagus nerve and motor (efferent) components. Pulmonary irritant receptors (cough receptors) in the epithelium of the respiratory tract are sensitive to both mechanical and chemical stimuli.

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Similar questions

Which of the following does not occur during breathing ?

(a) Brings the air to body temperature

(b) Warms up the air

(d) Cleans up the air

350 m/s

3500 m/s

700 Hz

Question 2

(a) The constituent of the air that contains harmful gases and dust particles is known as _______.

(b) Shortness of breath and intense cough is mainly caused to the inhalation of ______ (polluted air / fresh air).

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