age 1 of 21
AIR METHODS EXAM QUESTIONS
ABG - PH ......ANSWER........7.35-7.45 mm HG
ABG - PaCO2 range ......ANSWER........35-45 mm HG
ABG - PA02 ......ANSWER........80-100mm HG
ABG - BE ......ANSWER........-2 - 3 MeQ/L
CBC: Hemoglobin (Hgb) - what is the normal range?
......ANSWER........Normal Value: 14-17.5 G /DL
CBC: Hemoglobin (Hgb) - what do high and low values indicate?
......ANSWER........High value = smoking?
Low value = anemia or blood loss?
CBC: Hematocrit - what is the normal range?
......ANSWER........Normal value = 41-50%
CBC: Hematocrit - what do high and low values indicate?
......ANSWER........High value = dehydrated?
Low value = anemia or blood loss?
,age 2 of 21
CBC: WBC - what is the normal range? ......ANSWER........Normal
value = 4500-11000
CBC: WBC - what do high and low values indicate?
......ANSWER........High value = infection, anemia, steroid use
Low value = viral infection or immunodeficiency
CBC: RBC - what is the normal range? ......ANSWER........Normal
value = 3.9-5.5 million mm3
CBC: RBC - what do high and low values indicate?
......ANSWER........High value = polycythemia or high altitude
Low value = cancer or bone marrow suppression
Coags: PT - what does it measure & how long?
......ANSWER........Coumadin anticoagulation
10-13 second
Coags: PT - what do high values indicate? ......ANSWER........High
values can indicate liver cirrohsis, vitamin K deficiency or DIC
, age 3 of 21
Coags: INR ......ANSWER........International normalized ratio.
Normal INR = 1.0.
Coags: aPTT - what does it measure & how long?
......ANSWER........Measures Heparin
25-40 second
OB: What are some physiological changes which occur in
pregnancy? ......ANSWER........-Blood volume increases 40%
-Plasma increases, showing false anemia on labs
-BP decreases in 2nd trimester, but returns to normal
-Cardiac output increases, up to 50%
-HR increases 10-15 bpm
-SBP increases
-Body becomes more insulin resistant
-Uterus enlarges 20x
AIR METHODS EXAM QUESTIONS
ABG - PH ......ANSWER........7.35-7.45 mm HG
ABG - PaCO2 range ......ANSWER........35-45 mm HG
ABG - PA02 ......ANSWER........80-100mm HG
ABG - BE ......ANSWER........-2 - 3 MeQ/L
CBC: Hemoglobin (Hgb) - what is the normal range?
......ANSWER........Normal Value: 14-17.5 G /DL
CBC: Hemoglobin (Hgb) - what do high and low values indicate?
......ANSWER........High value = smoking?
Low value = anemia or blood loss?
CBC: Hematocrit - what is the normal range?
......ANSWER........Normal value = 41-50%
CBC: Hematocrit - what do high and low values indicate?
......ANSWER........High value = dehydrated?
Low value = anemia or blood loss?
,age 2 of 21
CBC: WBC - what is the normal range? ......ANSWER........Normal
value = 4500-11000
CBC: WBC - what do high and low values indicate?
......ANSWER........High value = infection, anemia, steroid use
Low value = viral infection or immunodeficiency
CBC: RBC - what is the normal range? ......ANSWER........Normal
value = 3.9-5.5 million mm3
CBC: RBC - what do high and low values indicate?
......ANSWER........High value = polycythemia or high altitude
Low value = cancer or bone marrow suppression
Coags: PT - what does it measure & how long?
......ANSWER........Coumadin anticoagulation
10-13 second
Coags: PT - what do high values indicate? ......ANSWER........High
values can indicate liver cirrohsis, vitamin K deficiency or DIC
, age 3 of 21
Coags: INR ......ANSWER........International normalized ratio.
Normal INR = 1.0.
Coags: aPTT - what does it measure & how long?
......ANSWER........Measures Heparin
25-40 second
OB: What are some physiological changes which occur in
pregnancy? ......ANSWER........-Blood volume increases 40%
-Plasma increases, showing false anemia on labs
-BP decreases in 2nd trimester, but returns to normal
-Cardiac output increases, up to 50%
-HR increases 10-15 bpm
-SBP increases
-Body becomes more insulin resistant
-Uterus enlarges 20x
