Pharmacology A2 Exam Revision Questions and Answers

Pharmacology A2.3

Depending on the amount, the release of histamine in the body may cause all of the following
B B B B B B B B B B B B B B B B




EXCEPT: - CORRECT ANSWER-an increase in blood pressure
B B B BB B B B B




A patient with a case of the swine flu has been prescribed an antiviral. His patient chart shows
B B B B B B B B B B B B B B B B B




that he has been taking the antihistamine fexofenadine. Which of the following actions is
B B B B B B B B B B B B B B




necessary? - CORRECT ANSWER-The patient's heart rate should be monitored regularly.
B B B BB B B B B B B B




Which effect of histamine is associated with an allergic reaction? - CORRECT ANSWER-Nasal
B B B B B B B B B B B BB




congestion, hives, and itching of the eyes
B B B B B B B




Cromolyn sodium blocks allergic reactions by: - CORRECT ANSWER-preventing the release of
B B B B B B B BB B B B




histamine from pulmonary mast cells.
B B B B B




In caring for a client taking an antihistamine, a nurse recognizes which of the following as an
B B B B B B B B B B B B B B B B




Badverse

effect of this medication? - CORRECT ANSWER-Hypotension
B B B B B BB




Which term describes a substance capable of stimulating an immune response? - CORRECT
B B B B B B B B B B B B B




ANSWER-Antigen
B




Antiallergic drugs work by blocking all of the following EXCEPT: - CORRECT ANSWER-antigens
B B B B B B B B B B B BB

, How many receptors are associated with histamine? - CORRECT ANSWER-Four
B B B B B B B B BB




Mast cells can be prevented from releasing their contents, thereby blocking allergic reactions, by
B B B B B B B B B B B B B




- CORRECT ANSWER-mast cell inhibitors.
B B BB B B




A common side effect produced by antihistaminics is - CORRECT ANSWER-drowsiness.
B B B B B B B B B BB




One contraindication to using antihistamines is - CORRECT ANSWER-pregnancy.
B B B B B B B BB




Choose the correct definition of histamine. - CORRECT ANSWER-A substance that interacts with
B B B B B B B BB B B B B




tissues to produce most of the symptoms of allergy
B B B B B B B B B




A firm, elevated swelling of the skin, often pale red and itchy, describes - CORRECT ANSWER-a
B B B B B B B B B B B B B B BB




wheal.
B




Which of the following drugs used in the treatment of asthma are also known as "rescue" drugs?
B B B B B B B B B B B B B B B B




- CORRECT ANSWER-Bronchodilators
B B BB




How does drug therapy with an anticholinergic drug benefit some asthma patients? - CORRECT
B B B B B B B B B B B B B B




ANSWER-It reduces the amount of respiratory secretions.
B B B B B B B




Asthma is a respiratory condition best characterized by: - CORRECT ANSWER-
B B B B B B B B B BB




bronchoconstriction and inflammation. B B




Which is the bronchodilator of choice in the control of asthma and chronic obstructive
B B B B B B B B B B B B B




pulmonary disease (COPD)? - CORRECT ANSWER-Albuterol
B B B B B BB