Anatomy of coughing Flashcards
1
Q
Anatomy of coughing includes stimulation of sensory receptors in mucosa of? (4)
A
Oropharynx
Laryngopharynx
Larynx
Respiratory tree (trachea to bronchioles)
2
Q
CNS responds by rapidly coordinating?
A
Deep inspiration using diaphragm, intercostal muscles, accessory muscles of inspiration
Adduction of vocal cords to close rima glottidis
Contraction of anterolateral abdominal wall muscles to build up intra-abdominal pressure
Vocal cords abduct, open rima G
Soft palate tenses and elevates to close off entry to nasopharynx - stream of air through oral cavity (cough)