Cardiology Unit Exam v2(with Accurate answers)
An adult cardiac arrest patient remains in ventricular fibrillation after two minutes of CPR, one
shock and 1 mg epinephrine 1:10,000 IV. You should administer. correct answersAmiodarone,
300mg IV
- A patient just received an accidental overdose of atenolol. Which of the following should be
used to reverse the effects of this drug? correct answersGlucagon
- Which of the following causes congestive heart failure? correct answersPoorly functioning left
ventricle
A 40 year old female is complaining of nausea after several episodes of vomiting. Pulse matches
the ECG shown. (Image) Vital signs are BP 130/60, R14, SpO2 98%. You should correct
answersadminister atropine intravenous
Which blood vessels are primarily responsible for the regulation of blood pressure? correct
answersArterioles
A patient's chest discomfort has decreased from 8/10 to 2/10 after nitroglycerin. Which action of
nitroglycerin best explains this decrease? correct answersVasodilation of coronary arteries
A patient presents with confused verbal responses. A radial pulse is not palpable. ECG shows a
wide complex tachycardic rhythm. You should correct answersperform synchronized
cardioversion
What concept does Starling's Law explain? correct answersHeart rate increases when cardiac
workload increases
- What is the intrinsic pacemaker rate of the Purkinje fibers? correct answers20-40 times per
minute
You are called for a man with a facial laceration. His wife says he was shaving when he
suddenly started talking incoherently and lost his balance. By the time you arrive, his symptoms
have resolved. His wife says he has no pertinent past medical history. You should suspect a
correct answersTIA
A 45 year old male complains of weakness. Vital signs are BP 90/60, P 40 and irregular. The
monitor shows a narrow complex rhythm with a constant PRI for conducted beats. Every second
P wave occurs without a QRS complex. You should suspect correct answerssecond degree type
II AV block.
- A 74 year old female complains of shortness of breath. She has a history of coronary artery
disease but is otherwise healthy. She takes 325 mg aspirin daily and nitrostat as needed. Vital
signs are BP 109/50, P 132 and weak, R 36 with coarse rales in the base of her lungs. What
should you suspect? correct answersCongestive heart failure
, - An 80 year old male is sitting upright and gasping for each breath. Vital signs are BP 170/70, P
72 and irregular, R 40 and extremely labored, skin warm and diaphoretic. Upon auscultation, you
hear diffuse bilateral crackles and wheezing. He coughs up blood-tinged sputum. You should
suspect correct answerspulmonary edema
What is your interpretation of the following rhythm? (Image) correct answersAtrial flutter
What type of medication is propranolol (Inderal)? correct answersBeta-blocker
During the relative refractory period of the action potential correct answersthe cell is unable to
depolarize
The first component of the ECG corresponding to atrial depolarization is the correct answersP
wave
- Which condition is associated with tall peaked T waves? correct answersHyperkalemia
You have acquired the following 12 lead on a patient complaining of chest pain and shortness of
breath. What should you suspect? correct answersInferior myocardial injury
- A 54 year old female is acting anxious and using odd words to describe common things. She
answers yes/no questions appropriately. You should suspect correct answersdelirium tremens
- A submersion patient complains of chest pain and palpitations. You note gastric distention and
aspiration. Based on assessment findings, which system has been affected? correct
answersCardiovascular
In the prehospital setting, which vasopressor is most commonly used in adult cardiogenic shock?
correct answersDopamine
A 74 year old female complains of excruciating chest pain. The 12 lead ECG shows an inferior
wall injury with right-sided involvement. Vital signs are BP 118/92, P 60, R 24. You should
administer correct answersMorphine sulfate
Perfusion to the coronary arteries occurs during correct answersdiastole
A 62 year old female is alert and oriented. Her husband describes an episode of slurred speech
and left-sided facial drooping that lasted ten minutes and resolved just before your arrival. Vital
signs are BP 134/78, P 78, R 12, SpO2 99%. You should suspect correct answersTransient
ischemic attack
You are preparing to cardiovert a patient who has a perfusing ventricular tachyarrhythmia and
hypotension. Why is it important to turn on the synchronizing circuit of the defibrillator? correct
answersThe vulnerable period of the action potential will be avoided
An adult cardiac arrest patient remains in ventricular fibrillation after two minutes of CPR, one
shock and 1 mg epinephrine 1:10,000 IV. You should administer. correct answersAmiodarone,
300mg IV
- A patient just received an accidental overdose of atenolol. Which of the following should be
used to reverse the effects of this drug? correct answersGlucagon
- Which of the following causes congestive heart failure? correct answersPoorly functioning left
ventricle
A 40 year old female is complaining of nausea after several episodes of vomiting. Pulse matches
the ECG shown. (Image) Vital signs are BP 130/60, R14, SpO2 98%. You should correct
answersadminister atropine intravenous
Which blood vessels are primarily responsible for the regulation of blood pressure? correct
answersArterioles
A patient's chest discomfort has decreased from 8/10 to 2/10 after nitroglycerin. Which action of
nitroglycerin best explains this decrease? correct answersVasodilation of coronary arteries
A patient presents with confused verbal responses. A radial pulse is not palpable. ECG shows a
wide complex tachycardic rhythm. You should correct answersperform synchronized
cardioversion
What concept does Starling's Law explain? correct answersHeart rate increases when cardiac
workload increases
- What is the intrinsic pacemaker rate of the Purkinje fibers? correct answers20-40 times per
minute
You are called for a man with a facial laceration. His wife says he was shaving when he
suddenly started talking incoherently and lost his balance. By the time you arrive, his symptoms
have resolved. His wife says he has no pertinent past medical history. You should suspect a
correct answersTIA
A 45 year old male complains of weakness. Vital signs are BP 90/60, P 40 and irregular. The
monitor shows a narrow complex rhythm with a constant PRI for conducted beats. Every second
P wave occurs without a QRS complex. You should suspect correct answerssecond degree type
II AV block.
- A 74 year old female complains of shortness of breath. She has a history of coronary artery
disease but is otherwise healthy. She takes 325 mg aspirin daily and nitrostat as needed. Vital
signs are BP 109/50, P 132 and weak, R 36 with coarse rales in the base of her lungs. What
should you suspect? correct answersCongestive heart failure
, - An 80 year old male is sitting upright and gasping for each breath. Vital signs are BP 170/70, P
72 and irregular, R 40 and extremely labored, skin warm and diaphoretic. Upon auscultation, you
hear diffuse bilateral crackles and wheezing. He coughs up blood-tinged sputum. You should
suspect correct answerspulmonary edema
What is your interpretation of the following rhythm? (Image) correct answersAtrial flutter
What type of medication is propranolol (Inderal)? correct answersBeta-blocker
During the relative refractory period of the action potential correct answersthe cell is unable to
depolarize
The first component of the ECG corresponding to atrial depolarization is the correct answersP
wave
- Which condition is associated with tall peaked T waves? correct answersHyperkalemia
You have acquired the following 12 lead on a patient complaining of chest pain and shortness of
breath. What should you suspect? correct answersInferior myocardial injury
- A 54 year old female is acting anxious and using odd words to describe common things. She
answers yes/no questions appropriately. You should suspect correct answersdelirium tremens
- A submersion patient complains of chest pain and palpitations. You note gastric distention and
aspiration. Based on assessment findings, which system has been affected? correct
answersCardiovascular
In the prehospital setting, which vasopressor is most commonly used in adult cardiogenic shock?
correct answersDopamine
A 74 year old female complains of excruciating chest pain. The 12 lead ECG shows an inferior
wall injury with right-sided involvement. Vital signs are BP 118/92, P 60, R 24. You should
administer correct answersMorphine sulfate
Perfusion to the coronary arteries occurs during correct answersdiastole
A 62 year old female is alert and oriented. Her husband describes an episode of slurred speech
and left-sided facial drooping that lasted ten minutes and resolved just before your arrival. Vital
signs are BP 134/78, P 78, R 12, SpO2 99%. You should suspect correct answersTransient
ischemic attack
You are preparing to cardiovert a patient who has a perfusing ventricular tachyarrhythmia and
hypotension. Why is it important to turn on the synchronizing circuit of the defibrillator? correct
answersThe vulnerable period of the action potential will be avoided
