Quiz 9-6-17

Question 1

osmolality / osmolarity equation

Answer 1

[2 x Na+] + [glucose/18] + [BUN/2.8]

Question 2

plasma osmolality value

Answer 2

275-290mOsm/L

• NS is 308
• LR is 273

Question 3

normal Na values

Answer 3

135-145mEq/L

• NS is 154
• LR is 130

Question 4

medications that causes SIADH

Answer 4

• amitriptyline
• nortriptyline
• haloperidol
• desmopressin
• carbamazepine
• oxcarbazepine
• cyclophosphamide
• citalopram
• sertraline

Question 5

medications that causes SIADH, specifically increases ADH release

Answer 5

• amitriptyline
• nortriptyline
• haloperidol

Question 6

medications that causes SIADH, specifically increases sensitivity to ADH

Answer 6

• desmopressin
• carbamazepine
• oxcarbazepine

Question 7

medications that causes SIADH, unknown mechanisms

Answer 7

• cyclophosphamide
• citalopram
• sertraline

Question 8

units of glucose

Answer 8

gm/L

Question 9

units of Na+

Answer 9

mEq/L

Question 10

units of osmolarity

Answer 10

mOsm/L

Question 11

medications that causes DI

Answer 11

• Cidofovir
• Lithium
• Amphotericin B
• Demeclocycline
• Foscarnet
• Vasopressin V2-receptor antagonists (conivaptan, tolvaptan)

Question 12

Vasopressin V2-receptor antagonists

Answer 12

• conivaptan

- tolvaptan

Question 13

DI

Answer 13

• diabetes insipidus

- patients have decrease ADH secretion or decreased renal response to ADH

Question 14

SIADH

Answer 14

syndrome of inappropriate antidiuretic hormone