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APEX MOCK 8 exam Question and answers correctly solved 2026/2027
NuevoAPEX MOCK 8 exam Question and answers correctly solved 2026/2027 
 
In a premature infant with a right to left shunt what is the best location for placement of a pulse oximeter to monitor retinal oxygen levels? 
A. Left hand 
B. Left foot 
C. Right foot 
D. Right hand - correct answer D. Right hand 
 
The recommended way to assess a right to left shunt is to monitor pre-and post doctoral SPO2. If a Right to Left shunt is present the preductal site will register a higher SPO2. 
Pre-ductal: ...