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NREMT Emergency Medical Technicians Exam Sample Questions (Q49-Q54):

NEW QUESTION # 49
The most common finding in a patient who is experiencing a sickle cell crisis is

A. Hypoxia
B. Hypertension
C. Pain
D. Cardiac arrhythmia

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Sickle cell crisis(vaso-occlusive crisis) occurs when abnormally shaped red blood cells obstruct blood flow, leading to:
* Severe localized or generalized pain(most common symptom)
* Often in the back, chest, abdomen, or long bones
Hypoxia may be a contributing factor, but pain is themost reported reasonfor EMS activation. Cardiac arrhythmias and hypertension arenot primary symptomsof sickle cell crisis.
References:
NREMT Medical Guidelines - Hematologic Disorders
AAOS Emergency Care and Transportation (11th ed.) - Chapter on Hematologic Emergencies National Heart, Lung, and Blood Institute - Sickle Cell Disease Management

NEW QUESTION # 50
What components are necessary to maintain adequate perfusion? Select the three correct options.

A. Intact microcirculation
B. High alveolar pressure
C. Low ventilation-perfusion ratio
D. Sufficient blood volume
E. Hypoxic drive
F. Patent airway

Answer: A,D,F

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Perfusionrefers to delivery of oxygen and nutrients to tissues. It depends on three essential components:
* Patent airway: Ensures oxygen reaches lungs
* Intact microcirculation: Capillary-level exchange must function
* Sufficient blood volume: Maintains blood pressure and oxygen transport Hypoxic drive relates toCOPD physiology, not perfusion.High alveolar pressure(like from CPAP) may impede venous return, and alow ventilation-perfusion ratiomeans poor oxygenation efficiency, which negatively affects perfusion.
References:
NREMT Cardiovascular and Shock Guidelines
National EMS Education Standards - Perfusion and Circulatory Assessment AHA ACLS Provider Manual - Systemic Perfusion Concepts

NEW QUESTION # 51
Which of the following techniques are appropriate for examining a patient with an acute abdomen?
Select the two correct options.

A. Visualize the abdomen before palpation
B. Begin palpation with the most painful quadrant
C. Palpate the abdomen prior to auscultation
D. Press softly if the abdomen has a pulsating mass
E. Lie the patient supine with legs flexed

Answer: A,E

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
In patients with acute abdominal pain, you mustfirst inspect (visualize)for distension, discoloration, or masses beforetouching. Palpation always beginsaway fromthe most painful area. The patient should be in asupine position with knees flexedto relax the abdominal muscles and ease the exam.
Palpating a pulsating masscould rupture an abdominal aortic aneurysm and is contraindicated.
References:
NREMT Cognitive Exam Blueprint - Medical Emergencies
Emergency Care and Transportation of the Sick and Injured (AAOS, 11th ed.) - Chapter: Abdominal and GI Emergencies EMT-B National Standard Curriculum, Module: Medical Emergencies

NEW QUESTION # 52
Which of the following conditions would most likely result in pulmonary edema? Select the two correct options.

A. Left-sided heart failure
B. Aortic dissection
C. Hypertensive crisis
D. Increased oncotic pressure
E. Severe anaphylaxis

Answer: A,C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Pulmonary edemais 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 causesvasodilation and bronchospasm, not fluid overload. Increased oncotic pressure would retainfluid 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 # 53
Following insertion of an oropharyngeal airway in an unresponsive 1-year-old male, he develops cyanosis and bradycardia. You should

A. Remove the airway and ventilate him
B. Continue ventilation with the airway in place
C. Start CPR if his heart rate falls below 100
D. Increase the ventilation rate to 40-60

Answer: A

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
In infants, improper insertion of an OPA (oropharyngeal airway) can stimulate the vagus nerve, leading to bradycardia or even complete airway obstruction. If cyanosis and bradycardia develop after OPA insertion, immediate removal and resumption of ventilations with a bag-valve mask is critical.
The OPA must be properly sized and inserted only in patients without a gag reflex. Ventilations alone often reverse vagally induced bradycardia.
References:
NREMT Psychomotor Skills - Pediatric Airway
American Heart Association PALS Provider Manual (2020)
Brady Emergency Care (13th ed.) - Pediatric Airway Management

NEW QUESTION # 54
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Test EMT Dumps Demo - EMT Preparation Store

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NREMT Emergency Medical Technicians Exam Sample Questions (Q49-Q54):

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