Process Approach Chapter 36: Lower Respiratory Disorders
Questions With Complete Solutions
a methylxanthine derivative, relaxes the smooth muscles of the
bronchi, bronchioles, and pulmonary blood vessels by inhibiting
the enzyme phosphodiesterase, resulting in an increase in
cAMP, which promotes bronchodilation. Correct Answers
Theophylline
Acetylcysteine is administered by Correct Answers
nebulization
act like detergents to liquefy and loosen thick mucous secretions
so they can be expectorated. Correct Answers Mucolytics
also stimulate the central nervous system and respiration, dilate
coronary and pulmonary vessels, and cause diuresis. Correct
Answers Xanthines
are used only if a bacterial infection results from retained mucus
secretions. Correct Answers Antibiotics
Because of its numerous adverse reactions, drug-drug
interactions, and narrow therapeutic drug range, theophylline is
prescribed mostly for.... Correct Answers maintenance therapy
in patients with chronic stable asthma and other COPDs when
other drugs have failed to show improvement.
, Bronchial inflammation and excessive mucous secretion result
in airway obstruction. This process is related to which lower
respiratory tract disorder? Correct Answers Chronic bronchitis
causes a decrease in total lung capacity as a result of fluid
accumulation or loss of elasticity of the lung. Correct Answers
Restrictive lung disease
Cells found in connective tissue throughout the body are directly
involved in the asthmatic response, particularly to extrinsic
factors. Correct Answers Mast cells
(Allergens attach themselves to mast cells and basophils,
resulting in an antigen-antibody reaction on the mast cells in the
lung; the mast cells stimulate the release of chemical mediators
such as histamines, cytokines, serotonin, eosinophil chemotactic
factor of anaphylaxis (ECF-A), and leukotrienes)
chemical mediator that can cause inflammatory changes in the
lung Correct Answers Leukotriene (LT)
Chronic bronchitis definition Correct Answers Progressive
lung disease caused by smoking or chronic lung infections
Chronic Obstructive Pulmonary Disease characterized by
periods of bronchospasm resulting in wheezing and difficulty
breathing. Correct Answers Bronchial Asthma
COPD is caused by airway obstruction which causes.... Correct
Answers increased airway resistance of airflow to lung tissues.