NREMT EMT Level Quiz: Medical Emergencies Respiratory And Cardiac Complaints

What this quiz covers

This quiz focuses on Medical Emergencies Respiratory And Cardiac Complaints, giving you a quick way to practice the rules, question types, and explanations that matter most for NREMT EMT Level.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

Question 1

1. Assist with a second nitroglycerin dose if blood pressure permits (correct answer)
2. Wait 30 minutes before considering any additional nitroglycerin doses
3. Switch to a different form of nitroglycerin for better absorption
4. Discontinue nitroglycerin and focus solely on rapid transport measures

Explanation: The correct answer is A. If the first nitroglycerin dose provided minimal relief and blood pressure remains adequate, EMTs can assist with additional doses (typically up to 3 total, 5 minutes apart). B is incorrect because the standard interval is 3-5 minutes, not 30 minutes. C is incorrect because EMTs work with whatever form the patient has prescribed. D is incorrect because additional nitroglycerin may provide relief and doesn't delay transport.

Question 2

1. High-flow oxygen via non-rebreather mask at 15 LPM
2. Low-flow oxygen via nasal cannula at 2-4 LPM initially (correct answer)
3. Bag-mask ventilation with supplemental oxygen at 12-15 LPM
4. Venturi mask delivering precise 28% oxygen concentration

Explanation: The correct answer is B. COPD patients may have hypoxic drive, so start with low-flow oxygen and titrate based on patient response and SpO2 levels. A is incorrect because high-flow oxygen may suppress respiratory drive in COPD patients. C is incorrect because conscious patients with adequate respiratory effort don't need assisted ventilation. D is incorrect because while Venturi masks provide precise concentrations, they're not typically carried on basic ambulances.

Question 3

1. Acute myocardial infarction requiring immediate cardiac protocol activation
2. Musculoskeletal strain from heavy lifting with associated muscle spasms
3. Pneumothorax from increased intrathoracic pressure during lifting (correct answer)
4. Gastroesophageal reflux triggered by physical exertion and stress

Explanation: The correct answer is C. Sudden chest pain that worsens with inspiration following heavy lifting suggests possible pneumothorax from increased intrathoracic pressure. B is incorrect because musculoskeletal pain doesn't typically present as sudden, severe chest pain. A is incorrect because the pleuritic nature (worse with inspiration) and mechanism don't suggest cardiac cause. D is incorrect because GERD doesn't typically worsen with inspiration or occur suddenly with lifting.

Question 4

1. Supine with legs elevated to improve venous return
2. Left lateral recumbent position to reduce cardiac workload
3. High Fowler's or position of comfort for breathing (correct answer)
4. Prone position to facilitate drainage of pulmonary secretions

Explanation: The correct answer is C. Patients with respiratory distress should be placed in high Fowler's position (sitting upright) or position of comfort to facilitate breathing and reduce work of breathing. A is incorrect because supine position with legs elevated would worsen respiratory distress by increasing venous return. B is incorrect because left lateral position doesn't optimize breathing mechanics for dyspneic patients. D is incorrect because prone position would severely compromise breathing in a conscious dyspneic patient.

Question 5

1. Assist with a third nitroglycerin dose since previous doses helped
2. Provide oxygen therapy and prepare for immediate transport (correct answer)
3. Obtain detailed family history of cardiac disease
4. Encourage patient to rest and see if symptoms resolve

Explanation: The correct answer is B. With ongoing chest pain despite nitroglycerin, priority is oxygen (if indicated) and transport for definitive cardiac evaluation and treatment. A is incorrect because while a third dose might be considered, transport preparation is the priority. C is incorrect because detailed family history gathering delays transport for ongoing chest pain. D is incorrect because chest pain lasting 2 hours with only partial nitroglycerin relief requires immediate medical evaluation.

Question 6

1. Nasal cannula at 2-4 LPM to avoid oxygen toxicity concerns
2. Non-rebreather mask at 15 LPM to maximize oxygen delivery (correct answer)
3. Bag-mask ventilation to assist with his rapid respiratory rate
4. No oxygen needed since SpO2 is above 90 percent threshold

Explanation: The correct answer is B. This patient has severe dyspnea with borderline low SpO2 and requires high-flow oxygen via non-rebreather mask to improve oxygenation. A is incorrect because low-flow oxygen is insufficient for severe dyspnea with SpO2 of 94%. C is incorrect because the patient is conscious and breathing adequately on his own. D is incorrect because SpO2 of 94% with severe dyspnea warrants supplemental oxygen therapy.

Question 7

1. Assist with nitroglycerin to relieve the chest discomfort immediately
2. Position supine with legs elevated and provide high-flow oxygen (correct answer)
3. Have patient walk slowly to the ambulance to assess exercise tolerance
4. Administer aspirin and encourage patient to cough forcefully

Explanation: The correct answer is B. This patient shows signs of shock (hypotension, bradycardia, pale/diaphoretic) requiring supine positioning with legs elevated and oxygen therapy. A is incorrect because nitroglycerin is contraindicated with systolic BP below 100. C is incorrect because exercise would worsen the patient's unstable condition. D is incorrect because aspirin administration isn't within basic EMT scope, and forced coughing could worsen her condition.

Question 8

1. Pain that radiates to the left shoulder and arm with associated nausea and diaphoresis developing during assessment
2. Pain that is reproducible with palpation of the chest wall and worsens significantly with deep inspiration (correct answer)
3. Pain that occurs in episodes lasting 2-3 minutes with complete resolution between episodes over several hours
4. Pain that is accompanied by a sense of impending doom and tingling sensations in both hands

Explanation: Pain reproducible with palpation and worsening with inspiration suggests musculoskeletal or pleuritic cause rather than cardiac origin. Cardiac pain is typically not reproducible with palpation. A is incorrect as radiation to left arm with nausea and diaphoresis are classic cardiac symptoms. C is incorrect as episodic pain could still be cardiac (unstable angina pattern). D is incorrect as impending doom is a classic symptom of acute MI, and bilateral tingling could suggest anxiety but doesn't rule out cardiac cause.

Question 9

1. Assist with patient's rescue inhaler, apply supplemental oxygen, and monitor for improvement before considering transport options
2. Apply high-flow oxygen immediately, then assist with rescue inhaler if patient condition doesn't improve within five minutes
3. Obtain baseline vital signs and oxygen saturation, assist with prescribed inhaler, apply supplemental oxygen titrated to patient response (correct answer)
4. Begin assisted ventilation with bag-valve mask due to decreased air movement, then reassess need for medication assistance

Explanation: COPD exacerbation requires systematic approach: baseline assessment first, then medication assistance with prescribed bronchodilator, followed by appropriate oxygen therapy titrated to effect (SpO2 90-94% in COPD patients). This follows proper assessment sequence while addressing both bronchospasm and hypoxemia. A is incorrect as oxygen should be initiated along with inhaler, not delayed. B is incorrect as high-flow oxygen may suppress hypoxic drive in COPD patients. D is incorrect as the patient is still breathing adequately and doesn't require assisted ventilation.

Question 10

1. Administer the second nitroglycerin dose since the blood pressure is adequate and the previous dose was ineffective
2. Withhold further nitroglycerin and contact medical control for guidance due to unknown timing of erectile dysfunction medication (correct answer)
3. Give half a nitroglycerin tablet to reduce the risk of hypotensive episodes while still providing some therapeutic benefit
4. Proceed with normal nitroglycerin protocol since the patient's blood pressure indicates he has not taken erectile dysfunction medication recently

Explanation: Erectile dysfunction medications (sildenafil, tadalafil, vardenafil) can cause severe hypotension when combined with nitroglycerin. Since the timing is unknown and these medications can remain active for 24-48 hours, medical control consultation is required. B is correct as safety requires withholding nitroglycerin when ED medication timing is uncertain. A is incorrect as it ignores the potential drug interaction. C is incorrect as partial doses aren't standard protocol and don't eliminate interaction risk. D is incorrect as blood pressure alone doesn't indicate absence of ED medication.

Question 11

1. Contact medical control to request permission to administer aspirin since the patient has no contraindications to antiplatelet therapy
2. Inquire about prescribed nitroglycerin and erectile dysfunction medications before considering medication assistance protocols (correct answer)
3. Initiate rapid transport immediately since the severity of symptoms suggests complete coronary artery occlusion requiring intervention
4. Establish intravenous access and prepare for cardiac monitoring to detect potential dysrhythmias during transport

Explanation: EMTs can assist with prescribed nitroglycerin for chest pain, but must first assess contraindications including recent use of erectile dysfunction medications (sildenafil, tadalafil, etc.) which can cause dangerous hypotension when combined with nitroglycerin. This assessment should occur before any medication assistance. A is incorrect as EMTs cannot independently administer aspirin - this requires medical control or protocol authorization. C is incorrect as medication assistance should be considered before transport if appropriate. D is incorrect as IV access and cardiac monitoring are ALS interventions outside EMT scope.

Question 12

1. Pregnancy increases the risk of pulmonary embolism, requiring immediate high-flow oxygen and left lateral positioning during transport (correct answer)
2. Pregnancy-related anxiety often causes chest pain symptoms, so reassurance and breathing exercises are the primary treatment needed
3. Pregnant patients cannot receive nitroglycerin due to teratogenic effects, limiting medication options for chest pain treatment
4. Third trimester patients require supine positioning to optimize fetal circulation despite maternal respiratory distress symptoms

Explanation: Pregnancy, especially third trimester, significantly increases pulmonary embolism risk due to hypercoagulable state and vena cava compression. Sudden onset dyspnea and pleuritic chest pain in pregnant patients requires high suspicion for PE. Left lateral positioning prevents vena cava compression and improves venous return. B is incorrect as this presentation is too concerning to attribute to anxiety alone. C is incorrect as nitroglycerin can be used in pregnancy when indicated, though this presentation doesn't suggest cardiac cause. D is incorrect as supine positioning can cause vena cava compression and worsen symptoms.

Question 13

1. Patient reports pain level decreasing from 8/10 to 6/10 after sitting down and resting for several minutes
2. Development of nausea, vomiting, and diaphoresis with blood pressure dropping from 130/80 to 100/60 mmHg (correct answer)
3. Patient becomes more anxious and reports feeling like 'something terrible is going to happen' despite stable vital signs
4. Pain remains constant at 7/10 despite rest and position changes but patient denies shortness of breath

Explanation: Development of nausea, vomiting, diaphoresis, and hypotension suggests cardiogenic shock or severe cardiac event requiring immediate transport and possible ALS intervention. These are signs of hemodynamic compromise indicating serious cardiac emergency. A is incorrect as pain improvement suggests stability allowing for continued assessment and treatment. C is incorrect as anxiety alone without hemodynamic changes doesn't require rapid transport. D is incorrect as stable pain without other concerning symptoms allows for medication assistance and continued assessment.

Question 14

1. Assist the patient with his prescribed nitroglycerin after confirming contraindications and obtaining baseline vital signs (correct answer)
2. Immediately transport the patient to the nearest facility while withholding nitroglycerin due to the severity of symptoms
3. Administer high-flow oxygen via non-rebreather mask and delay nitroglycerin until ALS intercept is available
4. Position the patient supine to improve cardiac output and prepare for immediate rapid sequence transport

Explanation: The patient presents with classic signs of acute myocardial infarction. EMTs should assist with prescribed nitroglycerin after confirming contraindications (no erectile dysfunction medications in 24-48 hours, systolic BP >100 mmHg) and obtaining baseline vitals. This is within EMT scope and can provide immediate relief. B is incorrect because nitroglycerin assistance is appropriate for chest pain when properly indicated. C is incorrect because oxygen is only indicated if SpO2 <94% or signs of respiratory distress, and nitroglycerin doesn't require ALS. D is incorrect because patients with chest pain should be positioned upright or semi-Fowler's for comfort.

Question 15

1. Encourage slow, controlled breathing techniques and provide reassurance while monitoring for symptom improvement during transport (correct answer)
2. Apply high-flow oxygen and prepare for potential cardiac arrest due to the combination of chest pain and tachycardia
3. Treat as acute coronary syndrome with aspirin administration and rapid transport to a cardiac intervention center
4. Position supine and elevate legs to improve venous return since anxiety can cause vasodilation and hypotension

Explanation: This presentation suggests anxiety/panic attack: sudden onset at rest, young female, anxiety, hyperventilation (RR 32), tingling (hyperventilation-induced), normal SpO2, no medical history. Encouraging controlled breathing and reassurance is appropriate while ruling out other causes. B is incorrect as there are no signs of impending cardiac arrest and high-flow oxygen is unnecessary with normal SpO2. C is incorrect as the presentation is more consistent with anxiety than ACS, and EMTs cannot administer aspirin independently. D is incorrect as the patient doesn't show signs of hypotension and should be positioned comfortably upright.

Question 16

1. Patient takes furosemide daily but missed her dose yesterday due to running out of medication at home
2. Patient recently started taking ibuprofen for arthritis pain and has been using it regularly for joint inflammation
3. Patient takes digoxin for heart rate control and reports feeling nauseous with some visual disturbances today (correct answer)
4. Patient uses prescribed nitroglycerin for chest pain but states she hasn't needed it in several months

Explanation: Digoxin toxicity presents with nausea and visual disturbances and can worsen heart failure. This finding significantly impacts treatment as the patient may need specific interventions for toxicity in addition to heart failure management. EMTs should report this to receiving facility immediately. A is incorrect as missed diuretic explains the exacerbation but doesn't change EMT treatment. B is incorrect as NSAIDs can worsen heart failure but don't require specific EMT interventions. D is incorrect as absence of chest pain and unused nitroglycerin doesn't significantly impact current treatment decisions.

Question 17

1. Assist with nitroglycerin administration to reduce cardiac workload and manage the severe chest pain symptoms effectively
2. Avoid nitroglycerin and focus on gentle handling, pain management, and immediate transport to appropriate facility (correct answer)
3. Administer high-dose aspirin to prevent thrombosis and reduce inflammation in the affected coronary vessels
4. Position patient supine and elevate legs to maintain blood pressure and ensure adequate organ perfusion

Explanation: This presentation suggests aortic dissection: sudden 'ripping' pain to back, blood pressure differential between arms. Nitroglycerin is contraindicated as it can worsen dissection by reducing afterload. Treatment focuses on gentle handling to prevent extension, pain management within scope, and rapid transport to facility capable of emergency vascular surgery. A is incorrect as nitroglycerin is contraindicated in suspected aortic dissection. C is incorrect as EMTs cannot independently administer aspirin, and this isn't coronary thrombosis. D is incorrect as patient should be positioned comfortably, and leg elevation isn't indicated.

Question 18

1. Avoid nitroglycerin assistance due to potential dangerous interactions with warfarin and increased bleeding risk from anticoagulation
2. Recognize that beta-blockers may mask typical tachycardic response to cardiac ischemia and maintain high suspicion (correct answer)
3. Administer aspirin immediately since the anticoagulation from warfarin provides additional cardiovascular protection during acute events
4. Position supine to counteract hypotensive effects of metoprolol and improve coronary perfusion during suspected ischemia

Explanation: Beta-blockers like metoprolol can blunt the normal heart rate response to cardiac ischemia, making it harder to recognize the severity of the condition. EMTs must maintain high suspicion for cardiac causes even without typical tachycardia. A is incorrect as nitroglycerin doesn't interact with warfarin and can still be used appropriately. C is incorrect as EMTs cannot independently administer aspirin, and warfarin doesn't provide acute coronary protection. D is incorrect as patients with chest pain should be positioned comfortably upright, and metoprolol doesn't necessarily cause hypotension requiring supine positioning.

Question 19

1. Recognize that diabetic patients often present with atypical cardiac symptoms and treat as potential acute coronary syndrome (correct answer)
2. Focus on gastrointestinal causes since the symptoms are more consistent with acid reflux or gastritis than cardiac issues
3. Check blood glucose levels immediately since diabetic patients may have hypoglycemia mimicking cardiac symptoms
4. Administer antacids if available since the patient describes heartburn and this may provide diagnostic and therapeutic benefit

Explanation: Diabetic patients frequently present with atypical cardiac symptoms due to diabetic neuropathy affecting cardiac pain sensation. 'Heartburn,' nausea, and vague discomfort in diabetic patients should be treated as potential ACS until proven otherwise. B is incorrect as assuming GI cause could miss serious cardiac event. C is incorrect as while blood glucose should be checked, the presentation is more concerning for cardiac cause than hypoglycemia. D is incorrect as EMTs typically don't carry antacids, and symptom relief with antacids doesn't rule out cardiac cause.

Question 20

1. Immediate supine positioning to reduce cardiac workload and improve venous return to the struggling heart muscle
2. High-flow oxygen therapy and upright positioning to maximize oxygenation and reduce venous return to the heart (correct answer)
3. Assisted ventilation with bag-valve mask to ensure adequate minute ventilation despite the presence of pulmonary edema
4. Rapid fluid resuscitation to support blood pressure and maintain adequate perfusion to vital organ systems

Explanation: This patient presents with acute pulmonary edema secondary to heart failure exacerbation (orthopnea, pink frothy sputum, bilateral crackles, edema). High-flow oxygen addresses hypoxemia from fluid in alveoli, and upright positioning reduces venous return, decreasing preload and pulmonary congestion. A is incorrect as supine positioning would worsen pulmonary edema by increasing venous return. C is incorrect as the patient is still breathing adequately and assisted ventilation isn't indicated unless respiratory failure occurs. D is incorrect as fluid administration would worsen heart failure and pulmonary edema.