Side effects of salbutamol include which of the following:
Anonymous Quiz
81%
Tachycardia
13%
Bradycardia
6%
Vomiting
0%
CNS depression
The following drug is a quick relief medication for acute bronchial asthma
Anonymous Quiz
98%
Inhaled salbutamol
0%
Montelukast
0%
Nedocromil by inhalation
2%
Oral theophylline
Long-term control medications of chronic bronchial asthma include the following drugs EXCEPT:
Anonymous Quiz
0%
Selective long-acting 32-agonists (LABA) as salmeterol
4%
Slow release theophylline
13%
Inhaled corticosteroids as budesonide
83%
B-adrenergic antagonists as pindolol
Adrenergic agonists clearly play a role in managing some patients with asthma,whether for prophylaxis .Which of the following drugs is classified as an adrenergic agonist, but has no physiologically relevant effects on airway smooth muscle tone?
Anonymous Quiz
4%
Albuterol
69%
Norepinephrine
16%
Salmeterol
10%
Terbutaline
An elderly man with COPD is being managed with several drugs, one of which is inhaled ipratropium. Which of the following is the main mechanism that accounts for the beneficial effects of this drug?
Anonymous Quiz
81%
Blocks of an endogenous bronchoconstrictor mediator
11%
Inhibits CAMP breakdown via phosphodiesterase inhibition
3%
Prevents antigen-antibody reactions that lead to mast cell mediator release
5%
Stimulates ventilatory rates (CNS effect in brain's medulla
A 16-year-old girl treated for asthma develops skeletal muscle tremors that are drug-induced. Which of the following was the most likely cause?
Anonymous Quiz
92%
Salbutamol
5%
Beclomethasone
0%
Cromolyn
3%
Ipratropium
A 26-year-old patient with asthma is being treated with montelukast. Which of the following is the main mechanism by which this drug works?
Anonymous Quiz
90%
Blocks the proinflammatory effects of certain arachidonic acid metabolites
2%
Enhances release of epinephrine from the adrenal (suprarenal) medulla
2%
Increases airway αΊ-adrenergic receptor responsiveness to endogenous norepinephrine
5%
Inhibits cAMP breakdown via phosphodiesterase inhibition
An elderly man, in obvious respiratory distress due to exacerbation of his
emphysema and chronic bronchitis to be administered by respiratory therapist, is N-acetylcysteine. Which of the following is main action or purpose of this drug?
emphysema and chronic bronchitis to be administered by respiratory therapist, is N-acetylcysteine. Which of the following is main action or purpose of this drug?
Anonymous Quiz
11%
Block receptors for the cysteinyl leukotrienes
0%
Inhibit metabolic inactivation of epinephrine or αΊ2-agonsits that were administered
6%
Inhibit leukotriene synthesis
83%
Thin airway mucus secretions for easier removal by suctioning or postural drainage
A woman with asthma has what is described as "aspirin hypersensitivity" and experiences severe bronchospasm in response to small doses of the drug.Which of the following is the most likely mechanism by which of the aspirin provokes her pulmonary problems?
Anonymous Quiz
58%
Stimulates synthesis of leukotrienes
8%
Induces formation of antibodies directed against the salicylate on airway mast cells
14%
Induces hypersensitivity of Hβ receptors on airway smooth muscles.
19%
Induces hypersensitivity of muscarinic receptors on airway smooth muscles
β€1
patient suffers from asthmatics,large parenteral doses of a selective αΊ2 agonist fail to dilate the airways adequately,they cause dangerous degrees of tachycardia Which of the following approaches is to restore the bronchodilator of the adrenergic drug?
Anonymous Quiz
11%
Add inhaled cromolyn
69%
Give a parenteral corticosteroid
9%
Give parenteral diphenhydramine
11%
Switch to epinephrine
Muscarinic agonists such as pilocarpine, and αΊ blockers,are among the drugs used to manage a case of glaucoma,they also share properties that are relevant to patients with asthma. Which of the following statements summarizes best what that relevance is?
Anonymous Quiz
66%
Contraindicated, or pose great risks, for people with asthma
3%
Degranulate mast celis, cause bronchoconstriction
17%
Tend to raise intraocular pressure in patients who have both glaucoma and asthma
14%
Useful for acute asthma, not for ambulatory patients
A 23-year-old woman is using a salbutamol inhaler for frequent acute episodes of asthma and describes symptoms that she ascribes to salbutamol. Which of the following is NOT a recognized action of salbutamol?
Anonymous Quiz
74%
Diuretic effect
3%
Positive inotropic effect
9%
Skeletal muscle tremor
14%
Smooth muscle relaxation
child has severe asthma and He is now receiving outpatient medications that have greatly reduced the frequency of severe attacks. Which of the following is most likely to interfere with growth when used daily over long periods for severe asthma?
Anonymous Quiz
8%
Albuterol by aerosol
3%
Tiotropium by aerosol
8%
Cromolyn by inhaler
81%
Prednisone by mouth
Mustafa is a 60-year-old smoker with severe COPD and cardiac disease associated with frequent episodes of bronchospasm.which of the following is a bronchodilator in chronic obstructive pulmonary disease (COPD) and least likely to cause cardiac arrhythmia?
Anonymous Quiz
15%
Aminophylline
18%
Cromolyn
5%
Epinephrine
63%
Ipratropium
A patient is in the emergency room receiving nasal oxygen. She has a heart rate of 135/min, a respiratory rate of 40/min. Wheezing and rales are audible without a stethoscope. Which of the following drugs does NOT have a direct bronchodilator effect?
Anonymous Quiz
16%
Epinephrine
3%
Terbutaline
76%
Nedocromil
5%
Theophylline
A 33-year-oldpatient with asthma is being treated with nedocromil. Which of the following is the major action of nedocromil?
Anonymous Quiz
0%
Block of calcium channels in lymphocytes
100%
Block of mediator release from mast cells
0%
Smooth muscle relaxation in the bronchi
0%
Stimulation of cortisol release by the adrenals
A patient suffering from "status asthmaticus" presents in the emergency room. Which of the following in its parenteral form is life saving for this patient. and acts by inhibition of phospholipase A2?
Anonymous Quiz
24%
Aminophylline
3%
Cromolyn
0%
Epinephrine
74%
Prednisone/prednisolone
A 22-year-old patient has a history of asthma; he is being managed with oral theophylline. Which of the following is true regarding the previous drug?
Anonymous Quiz
2%
Sedation is a major side effect even with therapeutic doses
20%
Possesses anti-inflammatory activity
2%
Has a wide therapeutic index
76%
High plasma levels (more than 40 micrograms/ml) may cause seizures
A boy is diagnosed as asthma. His primary symptom is frequent cough, not bronchospasm or wheezing.we wish to suppress the cough without causing sedation or other unwanted effects. Which of the following would best meet these needs?
Anonymous Quiz
7%
Codeine
82%
Dextromethorphan
7%
Diphenhydramine
5%
Pholcodine
- A physician prescribes a drug for an asthmatic patient. What does this drug know that its overdose causes insomnia and arrhythmias?
Anonymous Quiz
70%
Aminophylline
8%
Cromolyn
10%
Epinephrine
12%
Ipratropium
β Practical Anatomy
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