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| Section | Objectives |
|---|---|
| Medical, Obstetrics & Pediatrics | - Medical emergencies
|
| Cardiology & Resuscitation | - Cardiac emergencies
|
| Trauma | - Traumatic injuries
|
| Airway, Respiration & Ventilation | - Airway management
|
| EMS Operations | - Operational procedures
|
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NEW QUESTION # 214
A 67-year-old patient has a sudden onset of weakness and dizziness after feeling a tearing pain in their chest.
The patient has a history of diabetes, myocardial infarction, and hypertension. Lung sounds are clear. The skin is pale and cool to the touch. The vital signs are BP 88/52, P 128, and R 24. Which of the following types of shock should the EMT most strongly suspect?
Answer: A
Explanation:
The correct answer is B. Hypovolemic shock.
Key findings in this scenario:
* Sudden "tearing" chest pain # classic sign of aortic dissection or rupture
* Hypotension (BP 88/52)
* Tachycardia (P 128)
* Pale, cool, clammy skin
* Clear lung sounds
Why this indicates hypovolemic shock:
A tearing chest pain strongly suggests a vascular catastrophe (e.g., aortic dissection/rupture), which can lead to internal bleeding. This results in:
* Loss of circulating blood volume
* Decreased perfusion
* Signs of hypovolemic shock
NREMT-aligned guidance states:
* "Hypovolemic shock results from significant fluid or blood loss."
* "Patients present with hypotension, tachycardia, and cool, pale skin." Why NOT cardiogenic shock (C):
Although the patient has a cardiac history:
* Cardiogenic shock typically presents with:
* Pulmonary edema (crackles)
* Signs of heart pump failure
* This patient has clear lung sounds, which argues against cardiogenic shock Why the other options are incorrect:
* A. PsychogenicCauses temporary fainting, not sustained hypotension with shock signs
* D. SepticUsually presents with warm skin (early) and signs of infection, not tearing chest pain Exact Extracts (NREMT-aligned EMT educational references):
* "Hypovolemic shock is caused by blood or fluid loss."
* "Signs include hypotension, tachycardia, and cool, pale skin."
* "Internal bleeding can result in hypovolemic shock."
Clinical Priority Summary:
The tearing chest pain with hypotension and signs of poor perfusion strongly suggests internal hemorrhage, leading to hypovolemic shock, making B the correct answer.
References:
NREMT EMT Education Standards - Cardiology & Resuscitation
NREMT National Continued Competency Program (NCCP)
AAOS Emergency Care and Transportation of the Sick and Injured (NREMT-aligned)
NEW QUESTION # 215
A patient who is 30 weeks pregnant is in cardiac arrest after being hit by a car. How should the EMT proceed?
Select the two answer options that are correct.
Answer: C,D
Explanation:
The correct answers are A. Provide left uterine displacement and E. Perform compressions at a depth of at least two inches.
Key Concept: Cardiac Arrest in Late Pregnancy
At #20 weeks gestation (30 weeks in this case):
* The enlarged uterus compresses the inferior vena cava (IVC) when the patient is supine
* This reduces venous return and cardiac output, worsening resuscitation effectiveness Why A is correct (Left uterine displacement):
* The uterus should be manually displaced to the left side
* This relieves pressure on the IVC and improves circulation during CPR NREMT/AHA-aligned guidance states:
* "Manual left uterine displacement should be performed in pregnant patients during resuscitation." Why E is correct (Compression depth):
* CPR in pregnant patients follows standard adult CPR guidelines
* Compression depth should be at least 2 inches (5 cm)
* "Perform high-quality chest compressions at a depth of at least 2 inches." Why the other options are incorrect:
* B. Avoid using AED# Incorrect - AED is safe and indicated in pregnancy
* "Defibrillation should not be withheld in pregnant patients."
* C. Request a helicopter# Not a priority during active cardiac arrest - resuscitation comes first
* D. Upper half of sternum# Incorrect - compressions are performed on the center of the chest (lower half of sternum) Exact Extracts (NREMT/AHA-aligned references):
* "Perform manual uterine displacement in late pregnancy during CPR."
* "Use standard CPR compression depth and rate."
* "Defibrillation is safe in pregnancy and should not be delayed."
Clinical Priority Summary:
In a pregnant cardiac arrest patient, the EMT should perform standard high-quality CPR while relieving uterine pressure on major vessels, making A and E the correct answers.
References:
NREMT EMT Education Standards - Cardiology & Resuscitation
American Heart Association (AHA) Guidelines for CPR and ECC
NREMT National Continued Competency Program (NCCP)
NEW QUESTION # 216
Which of the following conditions would most likely result in pulmonary edema? Select the two correct options.
Answer: A,C
Explanation:
Pulmonary edema is caused by fluid accumulation in the alveoli, impairing gas exchange. It is typically due to:
Left-sided heart failure: Blood backs up into the pulmonary circulation Hypertensive crisis: Increases hydrostatic pressure in the lungs Anaphylaxis causes vasodilation and bronchospasm, not fluid overload. Increased oncotic pressure would retain fluid in capillaries - the opposite of edema.
References:
NREMT Medical Module - Respiratory and Cardiovascular Integration
AHA ACLS Guidelines - Congestive Heart Failure
AAOS EMT Textbook - Pathophysiology of Pulmonary Edema
NEW QUESTION # 217
A 10-year-old patient is in hypovolemic shock. Which of the following signs would be early indicators of shock for this patient? Select the three correct options.
Answer: B,C,F
Explanation:
Children compensate for shock through increased heart rate, respiratory rate, and vasoconstriction, which delays blood pressure drop. Therefore:
* Tachycardia is often the first sign
* Prolonged capillary refill ( > 2 seconds) is an early indicator
* Tachypnea supports perfusion
Blood pressure is a late sign in pediatric shock. SpO# is helpful but does not specifically indicate shock.
Blood glucose may be abnormal in other metabolic conditions but is not an early marker of volume loss.
References:
NREMT Pediatric Assessment Flowchart
PALS Guidelines - Recognition of Shock in Children
AAOS Emergency Care and Transportation (11th ed.), Chapter: Pediatric Shock
NEW QUESTION # 218
What characteristics of the pediatric airway are different from the adult airway?
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Compared to adults, pediatric patients have:
* Aproportionately larger tongue, which increases the risk of airway obstruction
* Alarger occiput, which causes natural neck flexion when lying supine, potentially occluding the airway This anatomical difference is why EMS providers often use ashoulder rollinstead of a head tilt to maintain a neutral airwayin infants and toddlers.
References:
NREMT Pediatric Airway Management Standards
AHA PALS Manual - Pediatric Anatomy and Airway Considerations
National EMS Education Standards - Pediatric Assessment and Airway Anatomy
NEW QUESTION # 219
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