D - Answer When blood is not being pumped by the heart _________.
A) permanent brain damage may result
B) unconsciousness will result after 2 minutes without oxygen
C) delivery of oxygen to the body is affected negatively
D) A & C
E) A, B, & C
A - Answer When the heart is not pumping,...
CHAPTER 4 SUDDEN CARDIAC ARREST
PREP EXAM QUESTIONS SOLVED.
D - Answer When blood is not being pumped by the heart _________.
A) permanent brain damage may result
B) unconsciousness will result after 2 minutes without oxygen
C) delivery of oxygen to the body is affected negatively
D) A & C
E) A, B, & C
A - Answer When the heart is not pumping, both oxygen and glucose circulating in the blood do not
flow to the tissues of the body, including the heart.
A) True
B) False
B - Answer Blood that perfuses the heart comes from the aorta and goes into the heart via the
pulmonary arteries.
A) True
B) False
A - Answer When cardiac arrest occurs, blood flow to the brain declines. This decline in blood flow can
result in the patient becoming unconscious in 30 seconds, with permanent brain damage occurring after
4 to 6 minutes.
A) Both statements are true.
B) Only the first statement is true.
C) Only the second statement is true.
D) Both statements are false.
B - Answer Sudden cardiac arrest is generally fatal if not treated in 5 minutes.
A) True
, B) False
C - Answer Sudden cardiac arrests typically present with one of three cardiac arrhythmias. Which of the
following is not one of the three typical presentations?
A) ventricular fibrillation
B) pulseless electrical activity
C) syncope
D) asystole
C - Answer Which of the following is a typical cardiac arrhythmia that someone experiencing cardiac
arrest would present?
A) ventricular defibrillation
B) atrial fibrillation
C) pulseless electrical activity
D) atrial bradycardia
E) None of the above
D - Answer It is often difficult to determine survival rates following SCA because different studies utilize
different denominators. Which of the following are factors that are often used to calculate survival rates?
A) All treated by emergency medical services (EMS)
B) Geographic location
C) Patients that are dead on arrival
D) All of the above
D - Answer Ventricular fibrillation ____________.
A) is the most common initial rhythm
B) occurs in 60% of cases when assessed by AEDs
C) involves no cardiac activity
D) A & B
E) B & C
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