loss of protective respiratory mechanisms due to prolonged irritation or damage
The term Chronic Obstructive Pulmonary Disease (COPD) includes patients with
A person with COPD that was caused by predominantly chronic bronchitis and predominantly chronic emphysema. In either
smoking would be expected to have: case, the normal lung defences are decreased because of increased secretions or
decreased force of expiration. This predisposes the patient to a decrease in the
ability to expel toxins and microorganisms.
asthma
Leukotrienes are a family of inflammatory mediators produced by mast cells and
leukocytes. In an asthmatic response, there is an immediate short-term reaction
that is due to the release of histamine and a later, more prolonged response caused
by leukotrienes. One of their roles is to trigger contractions in the smooth muscles
lining the bronchioles.
Leukotriene receptor antagonists like
zafirlukast and montelukast are most Leukotriene antagonists can be used to treat asthma by blocking the actions of
beneficial in treating:
leukotrienes at the receptor on target cells such as bronchial smooth muscle.
Remember that the triggers for an asmatic attack are different in each person. It
therefore stands to reason that some patients will respond to one therapy best,
while another patient will not respond to that thereapy well at all. It may take some
time to find the ideal therapy or combination of therapies most suited to each
patient.
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, A client comes to you after taking both Naloxone
codeine and dextromethorphan for her
cough. She appears to have respiratory
depression consistent with opioid Naloxone is used in opioid overdoses. All of the other drugs listed in the choices are
overdose. What is the name of the inhaled corticosteroids. The client should be placed in a semi-upright position
medication that will be given to her to (Fowler's position) until emergency services arrive. This is another question that
reverse the actions of the opioids? could be asked:
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