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2026/2027 VERIFIED QUESTIONS AND CORRECT
ANSWERS – LATEST COMPREHENSIVE UPDATE |
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A 72-year-old male presents with an acute onset of confusion, slurred speech, and
decreased movement of his right arm. The patient's wife tells you that this began
about 20 minutes ago, and that he was fine before that. He has type II diabetes,
hypertension, and atrial fibrillation. Given this patient's clinical presentation and
past medical history, you should be MOST suspicious that he has: SELECTED
ANSWER 👀 An occluded cerebral artery.
Acute ischemic stroke, which is caused by an occluded cerebral artery, is
characterized by an acute onset of confusion, slurred speech, facial droop, and
unilateral weakness (hemiparesis), among other signs. This patient has two major
risk factors for a stroke: hypertension and atrial fibrillation (A-Fib). Although
hypertension could be a contributing factor, it is more likely that his A-Fib
resulted in the stroke. In A-Fib, a small blood clot can dislodge from the wall of
the fibrillating atria, enter the systemic circulation, and occlude a cerebral artery.
An epidural hemorrhage is unlikely; it is generally the result of blunt head
trauma—most often to the temporal lobe. Furthermore, patients with an epidural
hemorrhage tend to deteriorate rapidly and exhibit signs of increased intracranial
pressure. Epidural hemorrhage is most often the result of injury to the middle
meningeal artery, which bleeds rapidly. Hypoglycemia can also present with acute
confusion and slurred speech; however, hemiparesis is a less common finding.
Clearly, you should assess the blood glucose level of any patient with an altered
mental status. Patients with a space-occupying intracranial lesion (eg, brain
tumor) typically have a slow onset and insidious progression of symptoms—often
over a period of months. In some patients with a brain tumor, a seizure may be
the only presenting clinical manifestation.
,You are transporting a 44-year-old man with shortness of breath. He is conscious
alert and is receiving supplemental oxygen. A patent IV line has been established.
Suddenly, he develops the rhythm shown below. He is now responsive to pain
only; is profusely diaphoretic; and has weak radial pulses. You should: SELECTED
ANSWER 👀 Perform synchronized cardioversion with 100 joules.
The patient is in monomorphic ventricular tachycardia with a pulse. He is clinically
unstable, as evidenced by his decreased level of consciousness, profuse
diaphoresis, and weak radial pulses. Assessing his BP will yield little additional
information; therefore, you should perform synchronized cardioversion with 100
joules. Consider sedating the patient, but do not delay cardioversion.
Amiodarone, 150 mg IV over 10 minutes, would be an appropriate intervention if
the patient was clinically stable. Adenosine is used for clinically stable patients
with narrow-complex tachycardias and can be considered for clinically stable
patients with wide-complex monomorphic tachycardias.
During your SAMPLE history of an elderly man, he tells you that his cardiologist
told him that he has an "irregular heartbeat." His medications include warfarin
sodium and digoxin. On the basis of this information, what underlying cardiac
rhythm should you suspect? SELECTED ANSWER 👀 Atrial fibrillation.
Patients with atrial fibrillation (A-Fib) are commonly prescribed digoxin (a digitalis
preparation) and warfarin sodium (Coumadin), which is a blood thinner. As the
atria fibrillate, blood has a tendency to stagnate and form microemboli that can
be ejected from the heart and occlude a pulmonary, cerebral, or coronary artery.
You are assessing a middle-aged female who complains of chest discomfort. She is
conscious, alert, and oriented. Her skin is diaphoretic. Her blood pressure is
122/72 mm Hg, her pulse rate is 120 beats/min, and her respirations are 20
breaths/min. On the basis of her chief complaint, which of your assessment
,findings is the MOST significant? SELECTED ANSWER 👀 Pulse rate of 120
beats/min.
Your patient has signs and symptoms of an acute coronary syndrome (ACS)—a
spectrum of cardiac diseases that includes unstable angina pectoris and acute
myocardial infarction. In ACS, tachycardia increases myocardial oxygen
consumption and demand, and may exacerbate myocardial ischemia or injury.
Therefore, her heart rate of 120 beats/min is the most significant clinical finding.
Stimulation of the sympathetic nervous system increases the production of sweat,
resulting in diaphoresis. Although this is a clinically significant finding, it is not
detrimental to the patient. The patient's mental status—conscious, alert, and
oriented—indicates that her brain is adequately perfused; obviously, this is a
positive sign. Her respiratory rate of 20 breaths/min is consistent with the upper
limit of normal for an adult.
Ventricular ejection fraction is defined as the: SELECTED ANSWER 👀 Percentage
of blood in the ventricle pumped out during a contraction.
Ejection fraction (EF) is the percentage of blood that is pumped from the ventricle
per contraction. The total volume of blood pumped out of the ventricle per
contraction is called the stroke volume (SV). If the ventricle contains 100 mL of
blood before a contraction, but only ejects 55 mL when it contracts (SV), the
ejection fraction is 55% (100 mL × 0.55 = 55 mL). Ejection fraction should be at
least 65% in the adult. Cardiac output (CO) is the volume of blood ejected from
the left ventricle each minute, and is calculated by multiplying the stroke volume
by the heart rate; in the adult, this is typically 5 to 6 L/min.
You are evaluating a regular cardiac rhythm in lead II. The rate is 90 beats/min,
the QRS complexes consistently measure 0.16 seconds, and inverted P waves are
seen immediately following each QRS complex. The rhythm described is MOST
, characteristic of a/an: SELECTED ANSWER 👀 Accelerated junctional rhythm with
ventricular aberrancy.
A junctional rhythm is characterized by inverted P waves in lead II. If seen, the
inverted P waves precede or follow the QRS complex. At a rate of 90 beats/min,
the rhythm is further defined as an accelerated junctional rhythm. QRS complexes
greater than 0.12 seconds (120 ms) indicate aberrant (abnormal) ventricular
conduction (ie, bundle branch block). A wandering atrial pacemaker is
characterized by P waves that precede each QRS complex, but vary in
morphology. An ectopic atrial rhythm is also characterized by P waves of varying
morphologies as well as varying PR intervals. A second- or third-degree AV block
should be suspected when there are more P waves than QRS complexes.
You are assessing a 59-year-old woman who complains of chest pressure. When
you are looking at her list of medications, you note that she takes Vasotec. What
type of medication is this? SELECTED ANSWER 👀 ACE inhibitor.
Enalapril maleate (Vasotec) is an ACE (angiotensin converting enzyme) inhibitor
that is used to treat hypertension. Angiotensin II, a potent chemical produced by
the kidneys that causes vasoconstriction, is formed from angiotensin I in the
blood by the angiotensin converting enzyme. ACE inhibitors inhibit the activity of
this enzyme, which decreases the production of angiotensin II. As a result, the
blood vessels dilate and blood pressure is reduced. Beta blockers, which are also
used to treat hypertension, include drugs such as metoprolol (Lopressor),
propranolol (Inderal), and atenolol (Tenormin), among others. Calcium channel
blockers are also used to treat hypertension, and include drugs such as diltiazem
(Cardizem), verapamil (Calan; Isoptin), and amlodipine (Norvasc), among others.
Atropine sulfate is a parasympathetic blocker (vagolytic) that is used to treat
patients with hemodynamically unstable bradycardia.
2026/2027 VERIFIED QUESTIONS AND CORRECT
ANSWERS – LATEST COMPREHENSIVE UPDATE |
A 72-year-old male presents with an acute onset of confusion, slurred speech, and
decreased movement of his right arm. The patient's wife tells you that this began
about 20 minutes ago, and that he was fine before that. He has type II diabetes,
hypertension, and atrial fibrillation. Given this patient's clinical presentation and
past medical history, you should be MOST suspicious that he has: SELECTED
ANSWER 👀 An occluded cerebral artery.
Acute ischemic stroke, which is caused by an occluded cerebral artery, is
characterized by an acute onset of confusion, slurred speech, facial droop, and
unilateral weakness (hemiparesis), among other signs. This patient has two major
risk factors for a stroke: hypertension and atrial fibrillation (A-Fib). Although
hypertension could be a contributing factor, it is more likely that his A-Fib
resulted in the stroke. In A-Fib, a small blood clot can dislodge from the wall of
the fibrillating atria, enter the systemic circulation, and occlude a cerebral artery.
An epidural hemorrhage is unlikely; it is generally the result of blunt head
trauma—most often to the temporal lobe. Furthermore, patients with an epidural
hemorrhage tend to deteriorate rapidly and exhibit signs of increased intracranial
pressure. Epidural hemorrhage is most often the result of injury to the middle
meningeal artery, which bleeds rapidly. Hypoglycemia can also present with acute
confusion and slurred speech; however, hemiparesis is a less common finding.
Clearly, you should assess the blood glucose level of any patient with an altered
mental status. Patients with a space-occupying intracranial lesion (eg, brain
tumor) typically have a slow onset and insidious progression of symptoms—often
over a period of months. In some patients with a brain tumor, a seizure may be
the only presenting clinical manifestation.
,You are transporting a 44-year-old man with shortness of breath. He is conscious
alert and is receiving supplemental oxygen. A patent IV line has been established.
Suddenly, he develops the rhythm shown below. He is now responsive to pain
only; is profusely diaphoretic; and has weak radial pulses. You should: SELECTED
ANSWER 👀 Perform synchronized cardioversion with 100 joules.
The patient is in monomorphic ventricular tachycardia with a pulse. He is clinically
unstable, as evidenced by his decreased level of consciousness, profuse
diaphoresis, and weak radial pulses. Assessing his BP will yield little additional
information; therefore, you should perform synchronized cardioversion with 100
joules. Consider sedating the patient, but do not delay cardioversion.
Amiodarone, 150 mg IV over 10 minutes, would be an appropriate intervention if
the patient was clinically stable. Adenosine is used for clinically stable patients
with narrow-complex tachycardias and can be considered for clinically stable
patients with wide-complex monomorphic tachycardias.
During your SAMPLE history of an elderly man, he tells you that his cardiologist
told him that he has an "irregular heartbeat." His medications include warfarin
sodium and digoxin. On the basis of this information, what underlying cardiac
rhythm should you suspect? SELECTED ANSWER 👀 Atrial fibrillation.
Patients with atrial fibrillation (A-Fib) are commonly prescribed digoxin (a digitalis
preparation) and warfarin sodium (Coumadin), which is a blood thinner. As the
atria fibrillate, blood has a tendency to stagnate and form microemboli that can
be ejected from the heart and occlude a pulmonary, cerebral, or coronary artery.
You are assessing a middle-aged female who complains of chest discomfort. She is
conscious, alert, and oriented. Her skin is diaphoretic. Her blood pressure is
122/72 mm Hg, her pulse rate is 120 beats/min, and her respirations are 20
breaths/min. On the basis of her chief complaint, which of your assessment
,findings is the MOST significant? SELECTED ANSWER 👀 Pulse rate of 120
beats/min.
Your patient has signs and symptoms of an acute coronary syndrome (ACS)—a
spectrum of cardiac diseases that includes unstable angina pectoris and acute
myocardial infarction. In ACS, tachycardia increases myocardial oxygen
consumption and demand, and may exacerbate myocardial ischemia or injury.
Therefore, her heart rate of 120 beats/min is the most significant clinical finding.
Stimulation of the sympathetic nervous system increases the production of sweat,
resulting in diaphoresis. Although this is a clinically significant finding, it is not
detrimental to the patient. The patient's mental status—conscious, alert, and
oriented—indicates that her brain is adequately perfused; obviously, this is a
positive sign. Her respiratory rate of 20 breaths/min is consistent with the upper
limit of normal for an adult.
Ventricular ejection fraction is defined as the: SELECTED ANSWER 👀 Percentage
of blood in the ventricle pumped out during a contraction.
Ejection fraction (EF) is the percentage of blood that is pumped from the ventricle
per contraction. The total volume of blood pumped out of the ventricle per
contraction is called the stroke volume (SV). If the ventricle contains 100 mL of
blood before a contraction, but only ejects 55 mL when it contracts (SV), the
ejection fraction is 55% (100 mL × 0.55 = 55 mL). Ejection fraction should be at
least 65% in the adult. Cardiac output (CO) is the volume of blood ejected from
the left ventricle each minute, and is calculated by multiplying the stroke volume
by the heart rate; in the adult, this is typically 5 to 6 L/min.
You are evaluating a regular cardiac rhythm in lead II. The rate is 90 beats/min,
the QRS complexes consistently measure 0.16 seconds, and inverted P waves are
seen immediately following each QRS complex. The rhythm described is MOST
, characteristic of a/an: SELECTED ANSWER 👀 Accelerated junctional rhythm with
ventricular aberrancy.
A junctional rhythm is characterized by inverted P waves in lead II. If seen, the
inverted P waves precede or follow the QRS complex. At a rate of 90 beats/min,
the rhythm is further defined as an accelerated junctional rhythm. QRS complexes
greater than 0.12 seconds (120 ms) indicate aberrant (abnormal) ventricular
conduction (ie, bundle branch block). A wandering atrial pacemaker is
characterized by P waves that precede each QRS complex, but vary in
morphology. An ectopic atrial rhythm is also characterized by P waves of varying
morphologies as well as varying PR intervals. A second- or third-degree AV block
should be suspected when there are more P waves than QRS complexes.
You are assessing a 59-year-old woman who complains of chest pressure. When
you are looking at her list of medications, you note that she takes Vasotec. What
type of medication is this? SELECTED ANSWER 👀 ACE inhibitor.
Enalapril maleate (Vasotec) is an ACE (angiotensin converting enzyme) inhibitor
that is used to treat hypertension. Angiotensin II, a potent chemical produced by
the kidneys that causes vasoconstriction, is formed from angiotensin I in the
blood by the angiotensin converting enzyme. ACE inhibitors inhibit the activity of
this enzyme, which decreases the production of angiotensin II. As a result, the
blood vessels dilate and blood pressure is reduced. Beta blockers, which are also
used to treat hypertension, include drugs such as metoprolol (Lopressor),
propranolol (Inderal), and atenolol (Tenormin), among others. Calcium channel
blockers are also used to treat hypertension, and include drugs such as diltiazem
(Cardizem), verapamil (Calan; Isoptin), and amlodipine (Norvasc), among others.
Atropine sulfate is a parasympathetic blocker (vagolytic) that is used to treat
patients with hemodynamically unstable bradycardia.
