Colloid Osmotic Pressure, Lactate, + Blood Gas

Question 1

Clinical importance of colloid osmotic pressure

Answer 1

Maintain fluid in vascular space and transcapillary fluid balance

Question 2

Participating components of colloid osmotic pressure

Answer 2

Albumin 80%
Globulins 20%
Cations especially Na+

Question 3

Machine that measures oncotic pressure

Answer 3

Oncometer

Question 4

Two components of an oncometer that measure colloid osmotic pressure

Answer 4

Semipermeable membrane and transducer

Question 5

What does high blood lactate indicate

Answer 5

Poor organ perfusion + lack of oxygen

Question 6

What is important to remember when monitoring blood lactate as an indicator of perfusion

Answer 6

A single reading is not enough; a one-time high reading is not necessarily a concern

Question 7

Normal value for blood lactate

Answer 7

< 6 mmol/ L

Question 8

SpO2 Saturation of peripheral oxygen

Answer 8

A percentage reading from pulse oximetry (not most accurate)

Question 9

PaO2

Answer 9

Partial pressure of Oxygen in the blood in mmHg

Question 10

Most of the oxygen in the blood is joined with hemoglobin, the rest is ___________ in _________

Answer 10

Dissolved in plasma