The nurse is aware that cromolyn sodium (Intal): a. is a ...

[soccerdreamer_17]

The nurse is aware that cromolyn sodium (Intal):
 
  a. is a beta-2 receptor agonist.
  b. is best used in the treatment of an acute asthma attack.
  c. inhibits release of histamine from mast cells.
  d. produces an anticholinergic effect.

Question 2

The nurse understands that drugs like propranolol:
 
  a. block beta-1 receptors and cause bradycardia.
  b. block beta-1 receptors and cause tachycardia.
  c. block beta-2 receptors and cause bronchoconstriction .
  d. block beta-2 receptors and cause bronchodilation.

[gasdhashg]

Answer to Question 1

ANS: C

Feedback
A Incorrect: This is not the action of cromolyn sodium.
B Incorrect: This is prophylactic for the treatment of bronchial asthma.
C Correct: Cromolyn sodium is a mast cell stabilizer that acts by inhibiting the release of histamine.
D Incorrect: This is not the action of cromolyn sodium.

Answer to Question 2

ANS: C

Feedback
A Incorrect: This is not an action of propranolol, which blocks beta-2 receptors.
B Incorrect: This is not an action of propranolol, which blocks beta-2 receptors.
C Correct: This is the action of propranolol.
D Incorrect: This is not an action of propranolol, which blocks beta-2 receptors, but causes bronchoconstriction .

[soccerdreamer_17]

TYSM

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Gracias!