IBHRE Random UPDATED ACTUAL
Exam Questions and CORRECT Answers
Amperer - CORRECT ANSWER - Flow of electric current
Ohms Law - CORRECT ANSWER - V=IR
Impedance/Resitance - CORRECT ANSWER - Opposition to flow of alternating current
Where is electrical energy stored in a DC defib? - CORRECT ANSWER - Capacitor
Unit: Energy - CORRECT ANSWER - Joules
Watt/Second
Unit: Frequency - CORRECT ANSWER - Hertz
cycles/second
Unit: Force - CORRECT ANSWER - Newton
mkg/s^2
Unit: Power - CORRECT ANSWER - Watt
m^2kg/s^3
Convert: kg to lbs - CORRECT ANSWER - 2.2lb/kg
Convert: Farenheit to Celsius - CORRECT ANSWER - C=(5/9)(F-32)
,Convert: Celsius to Farenheit - CORRECT ANSWER - F= (9/5)C+32
What ion controls AVN and SA Node automaticity? - CORRECT ANSWER - Calcium
Cardiac tissue with fastest conduction velocity - CORRECT ANSWER - Purkinje Fibers
Digitalis toxicity often leads to what type of arrhythmia? - CORRECT ANSWER -
Triggered Arrhythmias
Triggered Arrhythmias are often caused by - CORRECT ANSWER - Digitalis toxicity and
elevated interventricular calcium
Which arrhythmia resembles an "itch of the heart" in acutely ill patients? - CORRECT
ANSWER - Automatic Arrhythmias
Prefix: Peri - CORRECT ANSWER - surrounding or around
Prefix: Endo - CORRECT ANSWER - Within or inward
Prefix: Retro - CORRECT ANSWER - Behind or Backward
Prefix: Hyper - CORRECT ANSWER - Excessive
Prefix: Hypo - CORRECT ANSWER - Deficient
Prefix: Trans - CORRECT ANSWER - across or beyond
Prefix: Vaso - CORRECT ANSWER - Vessel or canal for carrying fluid
,Prefix: Phlebo - CORRECT ANSWER - Vein or venous (vessel with deoxygenated blood)
Prefix: Arteri(o) - CORRECT ANSWER - Vessel with oxygenated blood
Ather(o) - CORRECT ANSWER - Fatty degradation
Cholangi - CORRECT ANSWER - Bile duct
Suffix -emia - CORRECT ANSWER - blood condition
Suffix -poiesis - CORRECT ANSWER - Formation
Suffix -megaly - CORRECT ANSWER - enlargement
Suffix -pathy - CORRECT ANSWER - disease condition
Suffix -penia - CORRECT ANSWER - deficiency
Suffix -itis - CORRECT ANSWER - inflammation
Suffix -plasty - CORRECT ANSWER - surgical repair
Suffix -ectomy - CORRECT ANSWER - Surgical removal/incision
Suffix -centesis - CORRECT ANSWER - Surgical tap
, Suffix -ostomy - CORRECT ANSWER - Surgical opening between organs
Normal Blood Pressure - CORRECT ANSWER - 120/80
Within normal distribution, what % of the population sampled will be within +/- 1 std dev? -
CORRECT ANSWER - 68.3%
Within normal distribution, what % of the population sampled will be within +/- 2 std dev? -
CORRECT ANSWER - 95.4%
What P-value is most significant - CORRECT ANSWER - 0.005
What must a P value be in order to be adequate for medical stat probability? - CORRECT
ANSWER - <0.1
Statistics - Sensitivity - CORRECT ANSWER - reflection of potential error caused by a
false negative (True Positive or False Negative)
Statistics - Specificity - CORRECT ANSWER - probability that a normal person will be
ID'd as normal (True Negative)
Statistics - High True Positive, Low False Negative - CORRECT ANSWER - High
Sensitivity
Statistics - Low True Positive, High False Negative - CORRECT ANSWER - Low
Sensitivity
Statistics - High True Negative, Low False Positive - CORRECT ANSWER - High
Specificity
Exam Questions and CORRECT Answers
Amperer - CORRECT ANSWER - Flow of electric current
Ohms Law - CORRECT ANSWER - V=IR
Impedance/Resitance - CORRECT ANSWER - Opposition to flow of alternating current
Where is electrical energy stored in a DC defib? - CORRECT ANSWER - Capacitor
Unit: Energy - CORRECT ANSWER - Joules
Watt/Second
Unit: Frequency - CORRECT ANSWER - Hertz
cycles/second
Unit: Force - CORRECT ANSWER - Newton
mkg/s^2
Unit: Power - CORRECT ANSWER - Watt
m^2kg/s^3
Convert: kg to lbs - CORRECT ANSWER - 2.2lb/kg
Convert: Farenheit to Celsius - CORRECT ANSWER - C=(5/9)(F-32)
,Convert: Celsius to Farenheit - CORRECT ANSWER - F= (9/5)C+32
What ion controls AVN and SA Node automaticity? - CORRECT ANSWER - Calcium
Cardiac tissue with fastest conduction velocity - CORRECT ANSWER - Purkinje Fibers
Digitalis toxicity often leads to what type of arrhythmia? - CORRECT ANSWER -
Triggered Arrhythmias
Triggered Arrhythmias are often caused by - CORRECT ANSWER - Digitalis toxicity and
elevated interventricular calcium
Which arrhythmia resembles an "itch of the heart" in acutely ill patients? - CORRECT
ANSWER - Automatic Arrhythmias
Prefix: Peri - CORRECT ANSWER - surrounding or around
Prefix: Endo - CORRECT ANSWER - Within or inward
Prefix: Retro - CORRECT ANSWER - Behind or Backward
Prefix: Hyper - CORRECT ANSWER - Excessive
Prefix: Hypo - CORRECT ANSWER - Deficient
Prefix: Trans - CORRECT ANSWER - across or beyond
Prefix: Vaso - CORRECT ANSWER - Vessel or canal for carrying fluid
,Prefix: Phlebo - CORRECT ANSWER - Vein or venous (vessel with deoxygenated blood)
Prefix: Arteri(o) - CORRECT ANSWER - Vessel with oxygenated blood
Ather(o) - CORRECT ANSWER - Fatty degradation
Cholangi - CORRECT ANSWER - Bile duct
Suffix -emia - CORRECT ANSWER - blood condition
Suffix -poiesis - CORRECT ANSWER - Formation
Suffix -megaly - CORRECT ANSWER - enlargement
Suffix -pathy - CORRECT ANSWER - disease condition
Suffix -penia - CORRECT ANSWER - deficiency
Suffix -itis - CORRECT ANSWER - inflammation
Suffix -plasty - CORRECT ANSWER - surgical repair
Suffix -ectomy - CORRECT ANSWER - Surgical removal/incision
Suffix -centesis - CORRECT ANSWER - Surgical tap
, Suffix -ostomy - CORRECT ANSWER - Surgical opening between organs
Normal Blood Pressure - CORRECT ANSWER - 120/80
Within normal distribution, what % of the population sampled will be within +/- 1 std dev? -
CORRECT ANSWER - 68.3%
Within normal distribution, what % of the population sampled will be within +/- 2 std dev? -
CORRECT ANSWER - 95.4%
What P-value is most significant - CORRECT ANSWER - 0.005
What must a P value be in order to be adequate for medical stat probability? - CORRECT
ANSWER - <0.1
Statistics - Sensitivity - CORRECT ANSWER - reflection of potential error caused by a
false negative (True Positive or False Negative)
Statistics - Specificity - CORRECT ANSWER - probability that a normal person will be
ID'd as normal (True Negative)
Statistics - High True Positive, Low False Negative - CORRECT ANSWER - High
Sensitivity
Statistics - Low True Positive, High False Negative - CORRECT ANSWER - Low
Sensitivity
Statistics - High True Negative, Low False Positive - CORRECT ANSWER - High
Specificity
