Fluids

Question 1

Average Serum Osmolality

Answer 1

290 mOsm/kg; -50 = hypotonic; +50 mOsm/L = hypertonic

Question 2

Isotonic Solutions

Answer 2

Normal Saline, Lactated Ringers, D5W*

Question 3

Hypotonic Solutions\

Answer 3

0.45% NS

Question 4

Hypertonic Solutions

Answer 4

3% Saline, D50, D5 1/2NS, D5NS

Question 5

2.2 kg gain

Answer 5

1 L fluid gain

Question 6

NS Constituents

Answer 6

Na 154; Cl 154 mEq/L; Isotonic

Question 7

0.45% NS Constituents

Answer 7

Na 77; Cl 77 mEq/L; Hypotonic

Question 8

D5W Constituents

Answer 8

Dextrose 278 mmol/L; Isotonic (becomes hypotonic)

Question 9

D5 1/2NS Constituents

Answer 9

Na 77, Cl 77 mEq/L, Dextrose 278 mmol/L; Hypertonic

Question 10

Lactated Ringers Constituents

Answer 10

Na 130, Cl 109, Lactate 28, K 4, Ca 3 mEq/L

Question 11

290 mOsm/kg; -50 = hypotonic; +50 mOsm/L = hypertonic

Answer 11

Average Serum Osmolality

Question 12

Normal Saline, Lactated Ringers, D5W*

Answer 12

Isotonic Solutions

Question 13

0.45% NS

Answer 13

Hypotonic Solutions\

Question 14

3% Saline, D50, D5 1/2NS, D5NS

Answer 14

Hypertonic Solutions

Question 15

1 L fluid gain

Answer 15

2.2 kg gain

Question 16

Na 154; Cl 154 mEq/L; Isotonic

Answer 16

NS Constituents

Question 17

Na 77; Cl 77 mEq/L; Hypotonic

Answer 17

0.45% NS Constituents

Question 18

Dextrose 278 mmol/L; Isotonic (becomes hypotonic)

Answer 18

D5W Constituents

Question 19

Na 77, Cl 77 mEq/L, Dextrose 278 mmol/L; Hypertonic

Answer 19

D5 1/2NS Constituents

Question 20

Na 130, Cl 109, Lactate 28, K 4, Ca 3 mEq/L

Answer 20

Lactated Ringers Constituents