NURS 211- ABGS Questions with Complete Solutions

NURS 211- ABGS Questions with Complete Solutions
What does an arterial blood gas give us information about? Correct
Answer-1. Acid-Base balance
2. Oxygenation status


What are the components and the normal parameters? Correct Answer-
•Ph 7.35 - 7.45
•PaO2 80 - 100mmHg
•PaCo2 35 - 45mmHg
•HCO3- 23 - 28mEq/L
•SaO2 90 - 100%


Acid-Base Balance Correct Answer-For starters:
• What is an acid? A H+ ion donor
•What is a base? A H+ ion receiver
•The balance between acids and bases in the body provides the
homeostatic environment where body cells can function best. Even
slight imbalances can affect body functions. Conditions such as
infection, organ dysfunction, trauma, or medications can affect acid-base
balance.


In order to assess acid-base balance according to the ABG results, we
need to look at three of the five components of the ABG. Correct
Answer-1.Ph
2.PaCo2

, 3. HCO3-


Ph 7.35-7.45 Correct Answer-•H+ ion concentration in the blood
•<7.35= acidic
•>7.45= alkalemic
Mustlook at PaCo2 and HCo3- to determine this


PaC02 35-45 mmHg Correct Answer-•Represents alveolar ventilation
•It's a potential ACID in the body.
•Consider it an acid!


Ex ph 7.30
pC02 50 mmHg
What is this? Correct Answer-respiratory acidosis


WHAT ARE SOME CAUSES OF ALVEOLAR
HYPOVENTILATION? Correct Answer-


EX: ph 7.48
paC02 30mmHg
What is this? Correct Answer-ph- alkalosis
paCO2- alkalosis
RESPIRATORY ALKALOSIS