Question 13 of 14

(demo test)

Product Demo for Part I Questions

Which of the following factors has been associated with a decrease in intraocular pressure (IOP)?

A. hypothyroidism

B. lysergic acid diethylamide (LSD)

C. Valsalva maneuver

D. aerobic exercise

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Category:

Glaucoma

Topic:

Biochemistry / Physiology

High Yield:

Yes

Your Answer:

U

Correct Answer:

D

Explanation:

There is a classic table that lists which factors classically are associated with increases and decreases in IOP.  This is an abbreviated list of these factors:

Things that increase IOP

• Valsalva maneuver
• wearing necktie
• elevated central venous pressure
• orbital venous outflow obstruction
• hypothyroidism
• LSD
• ketamine

Things that decrease IOP:

• aerobic exercise
• succinylcholine
• alcohol
• pregnancy
• metabolic / respiratory acidosis
• heroin
• cannabis
  

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