Final Test

• Otoscope


  Examine ears
• Cardiac Output


  Ejection of blood from heart per minute
• Cardiac Output curve


  Bell shaped
• Hypoxic Guard


  Minimum ratio of Oxygen (O2) to Nitrous Oxide (N2O) is 1/3
• Insulin


  Produced by the Pancreas
• Ligaments


  Connect Bones
• Hematocrit


  45% of blood by volume
• Laparoscopy


  Surgical incision into the abdominal cavity
• Hepato


  Refers to the Liver
• Defibrillator test load


  50 Ω non-inductive
• AAMI standard limb lead 3


  Left Arm, Left Leg
• Cardiac Ablation


  Remove abnormal cardiac conduction pathways
• Invasive blood pressure measurement

  Fluid filled catheter exerts pressure on transducer
• Synchronous Cardioversion


  Defibrillator is synchronized with R wave
• Tourniquet takes very long to reach desired pressure

  Leaky circuit
• 60Hz current is harmless to human


  60,000Hz of the same current would Burn
• Blood gas analyzer measures functions but parameters are out of range


  Replace buffer solution
• Using rechargeable batteries


  Fully charge
• Water bath's temperature is not rising but power indicator is on

  Heating element bad
• Phase relation between current and voltage for pure resistive circuit

  In phase
• Voltage (V) and Inductance (L)

  Directly proportional
• Six 120 Ω resistors in parallel

  Equivalent (Total) R is 20 Ω
• Anesthesiologist says anesthesia machine has a problem

  Verify problem and follow hospital procedure
• GFCI trip current


  6 mA
• Negative pressure room


  Contain airborne infections
• Best protection for wireless networks

  WPA-2 Enterprise
• Slide out computer in network closet

  Remotely troubleshoot problems
• Natural pacemaker of the heart

  Sino-Atrial node
• Minute Volume on a vent

  Average of exhaled air/min
• Pneumothorax


  Air leak in chest
• Major composition of nerve cells

  Dendrites and Axons
• ECG lead colors for corresponding limb leads

  RA – White, LA – Black, LL – Red
• Basic principles of radiation protection

  • Time
  • Shielding
  • Distance
• BMET found exposed power cord on a defibrillator on a code cart. A code was called.


  Recommend nurses to use it on battery power and fix it when situation permits.
• Working circuit malfunctions when oscilloscope probe is applied

  Oscilloscope is loading the circuit
• SpO2 does not work with simulator but works on finger


  It may not work with that model.
• When using an ohmmeter on a transistor

  Forward resistance of each junction
• You find an SCD with a broken tag on it with a question mark

  Verify operation and then talk to a staff member
• Secondary Voltage (Vs) and Secondary Windings (Ns) in a step-up transformer

  Directly proportional
• Objective of a high-pass filter


  Blocks frequencies below a designed point