How many phalanges are in the foot?

What is the term for the drop in PAO2 that occurs when a breath hold diver ascends from a deep dive?

A. diving response B. decompression sickness C. the bends D. hypoxia of ascent

Which of the following causes dysrhythmia when elevated?

A. Potassium ions B. Calcium ions C. Body temperature D. Exercise E. Phosphate ions