Nutrition

Question 1

How do you calculate BMI?

Answer 1

weight in kg / square of the height in meters

Question 2

Cessation of breathing for periods lasting longer than 10 seconds during sleep

Answer 2

OSA

Question 3

What physiologic changes occur from OSA?

Answer 3

arterial hypoxemia & hypercarbia, polycythemia, systemic HTN, PHTN, & RVF

Question 4

Characterized by nocturnal episodes of central apnea (apnea w/o respiratory efforts), reflecting progressive desensitization of the respiratory center to nocturnal hypercarbia

Answer 4

obesity hypoventilation syndrome

Question 5

Characterized by obesity, daytime hyper somnolence, hypoxemia, hypercarbia, polycythemia, respiratory acidosis, pulmonary HTN, an RVF

Answer 5

Pickwickian syndrome

Question 6

What is the most clinically useful approach to calculate the initial dose of a drug to be injected into an obese pt?

Answer 6

base on lean body wt rather than total body weight

Question 7

Albumin concentration below ___ is suggestive of malnutrition

Answer 7

3g/dL