What would be a normal P50 for a fetus?
a. 10
b. 15
c. 20
d. 25
ANS: C
Figure 9-6 illustrates how the increased O2 affinity is manifested by a leftward shift of the fetal oxyhemoglobin dissociation curve. The P50 (PO2 that saturates 50% of the hemoglobin) is 6 to 8 mm Hg less than adult hemoglobin (HbA), which indicates the degree of the shift toward higher affinity.
You might also like to view...
A subsequent service is provided after the initial E/M service
Indicate whether this statement is true or false.
Which permanent teeth on the upper dental arch erupt when a child is age 10 to 11?
A. First premolars B. Lateral incisors C. Central incisors D. First molars
It is preferable to make blood smears from EDTA specimens within what period of time after the specimen is collected?
A) 4 hours B) 3 hours C) 2 hours D) 1 hour
The purpose of tracking specimen collections is to: (Choose all that apply.)A) help with investigation of questionable test results.B) document collection and specimen handling personnel.C) provide laboratory staff with an estimated time for specimen delivery.D) document any special circumstances associated with specimen collection.
What will be an ideal response?