correct answers A+ Grade 2026\2027
A 59-year-old man presents with chest tightness and nausea. His BP is 104/58 mm Hg, pulse is 65
beats/min, respirations are 16 breaths/min, and oxygen saturation is 95%. The 12-lead ECG reveals a
sinus rhythm with 3-mm ST elevation in leads II, III, and aVF, and ST depression in leads I and aVL. What
should you do?
A) Give 0.4 mg nitroglycerin
B) Obtain a right-side ECG
C) Administer 2 L/min oxygen
D) Begin transcutaneous cardiac pacing
- correct answer B
A 54-year-old man presents with confusion. His radial pulses are absent, his carotid pulse is weak, and
he is profusely diaphoretic. In lead II, you observe a wide complex rhythm at 35/min with dissociated P
waves. What should you do?
A) Obtain a 12-lead ECG
B) Take his blood pressure
C) Give 0.5 mg of atropine
D) Begin transcutaneous pacing
- correct answer D
Which of the following questions should you ask a patient who is complaining of chest pain?
A) Does the pain move to your arms?
B) Were you at rest when the pain began?
C) Is the pain crushing or dull in nature?
,D) Can you describe the quality of the pain?
- correct answer Can you describe the quality of the pain
A man is suddenly awakened in the middle of the night, gasping for air. He is extremely restless and
pale, and is coughing up blood. What should you suspect?
A) Unstable angina
B) Gastrointestinal bleed
C) Left-side heart failure
D) Right-side heart failure
- correct answer Left sided heart failure
Which of the following findings is consistent with an acute ischemic stroke involving the left cerebral
hemisphere?
A) Aphasia, right side weakness, and facial droop
B) Dysarthria, left side weakness, and facial droop
C) Decorticate posturing and asymmetric pupils
D) Decerebrate posturing and asymmetric pupils
- correct answer Aphasia, right side weakness, and facial droop
Which of the following electrolytes moves slowly into the cardiac cell and maintains the depolarized
state of the cell membrane?
A) Sodium
B) Calcium
C) Potassium
D) Magnesium
- correct answer Calcium
34-year-old man complains of a headache. He denies any other symptoms. His BP is 136/88, pulse is 40
beats/min and strong, and respirations are 16 breaths/min. The cardiac monitor reveals sinus
bradycardia. What should you do?
, A) Begin cardiac pacing
B) Give 0.5 mg atropine
C) Give high-flow oxygen
D) Monitor and transport
- correct answer Monitor and transport
Which of the following statements regarding right ventricular failure (RVF) is correct?
A) RVF commonly leads to pulmonary hypertension.
B) Sacral and pedal edema are common signs of RVF.
C) Fluid boluses are contraindicated in patients with RVF.
D) Nitroglycerin is the drug of choice for patients with RVF.
- correct answer Sacral and pedal edema are common signs of RVF.
According to current treatment guidelines, which of the following is an indication to perform chest
compressions on a patient who has a left ventricular assist device?
A) The patient has an altered mental status.
B) The patient's MAP is less than 80 mm Hg.
C) The patient's oxygen saturation is less than 90%.
D) The patient's end-tidal CO2 is less than 20 mm Hg.
- correct answer The patients end-tidal CO2 is less than 20mm Hg
Which of the following occurs during phase 1 of the cardiac action potential?
A) Calcium slowly enters the cell and prolongs depolarization.
B) Potassium channels open and potassium rapidly exits the cell.
C) Inward sodium channels close and the cell begins to repolarize.