NUR 221 ABG and Hematology Exam Q&A 100% Pass | Rated A+

NUR 221 ABG and Hematology Exam

Q&A 100% Pass | Rated A+


How much hydrogen is in a liquid -✔✔ pH (potential hydrogen)

What is the perfect pH balance in the human body? -✔✔ 7.4

Water has a pH balance of what? -✔✔ 7

What foods can kick our pH out of balance making us too acidic? -✔✔ meat

and sugar

What foods can help regulate a normal pH balance? -✔✔ fruits and

vegetables

Acidity in our body changes everytime we ______________ -✔✔ eat

something

What range is considered acidotic? -✔✔ 1 - 6.9

What range is considered alkalotic? -✔✔ 7.1 - 14

What are the normal ranges for pH, CO2, HCO3, and PaO2? -✔✔ pH: 7.35

- 7.45

CO2: 35 - 45

, HCO3: 21 - 28

PaO2: 80 - 100

What 3 things regulate our pH balance? -✔✔ buffers, lungs, kidneys

- Located throughout the body and soaks up hydrogen ions

- Can take or give depending on what is needed to maintain balance

- Occurs within seconds -✔✔ buffers

- Partial pressure of oxygen in arterial blood

- Reflects the amount of O2 that is dissolved in the blood

- Gives an idea of how effective the lungs are at pulling O2 back into the

bloodstream -✔✔ PaO2

An O2 sat of ______% = PaO2 of ________ -✔✔ 90% = 60

PaO2 gives information about __________________ -✔✔ oxygenation

status

O2 saturation gives information about ________________ -✔✔ ventilation

status

What are S&S of hyperventilation? -✔✔ - tetany

- anxiety

- dizziness

- palpitations