Class Information

Question 1

How many mL of oxygen may be bound to one gram of normal Hb?

Answer 1

1.34 mL

Question 2

Fick Equation

Answer 2

O2 unloaded (mL/dL) = Flow x Hb CONCENTRATION (g/dL)*1.34 mL O2/g x (Asat - Vsat)

Question 3

How long does it take to make new erythrocytes in response to EPO?

Answer 3

Days to weeks

Question 4

Why is administering 2,3-BPG IV no good?

Answer 4

It can’t get into the erythrocytes!

Question 5

Carbon monoxide affects ____ first

Answer 5

Carbon monoxide affects the heart first

Because it extracts a larger portion of available oxygen from its blood supply

Question 6

Why can’t carbon monoxide be picked up by a pulse oximeter?

Answer 6

It produces a very similar change in absorptive wavelength when bound to hemoglobin.

Question 7

CO effects on hemoglobin

Answer 7

CO causes a left shift which decreases the ability of Hb to release its oxygen

Question 8

Symptoms of CO poisoning

Answer 8

Headache

Tightness across forehead

Irritability

Dizziness

Question 9

Treatment for CO poisoning

Answer 9

Hyperbaric 100% oxygen and removal of the CO source.