Author Question: The primary treatment for mastoiditis is 1. topical antibiotics. 2. topical steroids. 3. ... (Read 143 times)

Pineappleeh · **on:** Jul 23, 2018

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 · **Reply #1 on:** Jul 23, 2018

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.