The primary treatment for mastoiditis is 1. topical ...

[Pineappleeh]

The primary treatment for mastoiditis is
 
  1. topical antibiotics.
  2. topical steroids.
  3. systemic antibiotics.
  4. Systemic steroids.

Question 2

The primary mechanism of action of beta-adrenergic blockers in the treatment of open-angle glaucoma is to
 
  1. increase the outflow of aqueous humor.
  2. constrict the pupil.
  3. dilate the pupil to increase outflow.
  4. reduce production of aqueous humor.

[tofugiraffe]

Answer to Question 1

Correct Answer: 3
Rationale 1: Topical antibiotics are usually used for external ear infections.
Rationale 2: Topical steroids are usually used for external ear infections.
Rationale 3: Systemic antibiotics are used to treat mastoiditis.
Rationale 4: Systemic steroids are not likely to be used in the treatment of mastoiditis since it is frequently very difficult to treat.

Answer to Question 2

Correct Answer: 4
Rationale 1: Prostaglandins increase the outflow of aqueous humor.
Rationale 2: Cholinergic agonists constrict the pupil to allow for more room for outflow.
Rationale 3: Carbonic anhydrase inhibitors dilate the pupil to increase outflow.
Rationale 4: Beta-adrenergic blockers decrease the production of aqueous humor.

[Pineappleeh]

Gracias!

[Dnite]

TYSM