IBHRE Exam with Complete Solutions

IBHRE Exam with Complete Solutions ICD Battery Types 1. Li/SVO: Lithium/Silver-Vanadium Oxide (1st gen.) 2. Lithium/Manganese Dioxide (2 manufacturers) 3. Lithium/Silver-Vanadium Oxide-Carbon Monofluoride (2 manufacturers -MDT) Capacitor Types -Aluminum Electrolytic -Tantalum 5 Phases of Cardiac Action Potential *Phase 0: influx of Na+ (depolarization - conduction velocity) *Phase 1: transient efflux of K+ (how quickly the cell can be depolarized again) *Phase 2: influx of Ca 2+ & Na+ (") *Phase 3: efflux of K+ influx of Ca2+ & Na+ (") *Phase 4: Na+ -K+ pump (resting phase, ion leakage determines when next spontaneous depolarization will happen) Excitable Periods of Cardiac Action Potential Phase 0, Phase 1, Phase 2 Refractory Periods of Cardiac Action Potential Phase 3 & Phase