Medical Tests NREMT Online Practice Questions and Exam Preparation

Medical Tests NREMT Online Questions & Answers

• Question 151:

  The physiological function of insulin is to promote utilization of glucose by the cells.

  What would happen to a patient with a low level of insulin?

  A. Glucose would remain in the cell and would not be functional.
  B. The level of insulin outside of the cell would be insufficient and would not break down the glucose.
  C. The level of insulin inside the cell would be insufficient and would not break down the glucose.
  D. Glucose would remain on the outside of the cell and would not be broken down.
  D. Glucose would remain on the outside of the cell and would not be broken down.

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  Explanation/Reference:

  Insulin is a hormone that is responsible for transporting glucose into the cell where it can be metabolized and made into energy. With a low level of insulin, very little sugar can be metabolized; the result is that the cells' ability to function is drastically reduced.

• Question 152:

  When arriving at the scene of a possible hazardous materials incident, you would identify hazards by:

  A. Thoroughly investigating the scene yourself.
  B. Interviewing victims and bystanders.
  C. Scanning with binoculars from a safe distance.
  D. Assisting law enforcement officers in the search.
  C. Scanning with binoculars from a safe distance.

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  Explanation/Reference:

  Never enter a scene where hazardous materials are present until you have verified that the scene is safe. Use binoculars to survey the scene from a distance in order to identify hazardous materials placards. Consider victims and bystanders contaminated and take appropriate precautions.

• Question 153:

  While responding to a Hazardous Materials incident the EMT should approach the scene from _____.

  A. Up wind, Uphill, Up river
  B. Up wind, Uphill, down river
  C. Down wind, Downhill, Down river
  D. Down wind, Over a hill, Down river
  A. Up wind, Uphill, Up river

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  Explanation/Reference:

  When responding to a known HazMat incident the Emergency responders need to approach the scene from up wind, up hill and up river. This keeps the plumb ahead of the responders and avoids exposure of the emergency workers.

• Question 154:

  Conditions that may mimic the symptoms of a stroke include all of the following except ____.

  A. a subdural bleed
  B. postictal state
  C. hyperglycemia
  D. a myocardial infarction
  D. a myocardial infarction

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  Explanation/Reference:

• Question 155:

  If you are assessing whether a patient is breathing adequately or not, you must look for:

  A. Cyanosis, nausea, numbness, angina
  B. Rate, auscultation, stridor, pneumothorax
  C. Rate, rhythm, quality
  D. Pneumonia, retractions, wheezing, agonal respirations
  C. Rate, rhythm, quality

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  Explanation/Reference:

• Question 156:

  What are the two lower chambers of the heart called?

  A. Ventricles
  B. Atriums
  C. Bronchi
  D. Orbits
  A. Ventricles

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  Explanation/Reference:

  The lower chambers of the heart (left, and right) are both called the "verticles".

• Question 157:

  You are transporting an unconscious patient. How often should you check their vitals?

  A. 5 minutes
  B. 2-3 minutes
  C. 10 minutes
  D. 15 minutes
  A. 5 minutes

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  Explanation/Reference:

  When transporting an unconscious patient you should check their vitals every 5 minutes.

• Question 158:

  Name the layers of the heart from the outside in.

  A. Pericardium, endocardium, epicardium
  B. Myocardium, epicardium, endocardium
  C. Epicardium, myocardium, endocardium
  D. Endocardium, myocardium, epicardium
  C. Epicardium, myocardium, endocardium

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  Explanation/Reference:

  The layers of the heart from the outer most to the innermost layer. The pericardium is actually the protective sac which surrounds the heart. The heart is covered with a thin layer of slippery tissue called the epicardium, it provides a surface which can move inside the pericardium without causing friction. The myocardium is the muscle tissue of the heart which conducts electricity which causes the muscle to squeeze pumping blood. The endocardium is made of the same type of tissue as the epicardium. The endocardium is very smooth to prevent clots from forming and adhering to the valves.

• Question 159:

  What are the rules or standards that govern the conduct of EMS professionals?

  A. Codes
  B. Ethics
  C. Standards
  D. Morals
  B. Ethics

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  Explanation/Reference:

  Ethics are rules or standards that govern professional conduct, whereas morals are the individual's perceptions of what is right and wrong. Neither standards nor codes are terms applicable to the concept of the question.

• Question 160:

  Select the best answer regarding the precautions that are necessary for the administration of nitroglycerin tabs.

  A. Check expiration and medication prescription ownership to current patient.
  B. Check expiration and wear gloves.
  C. Wear gloves; check expiration and medication prescription ownership to current patient.
  D. Wear gloves and mask, check expiration, and make sure the medicine is prescribed to the patient.
  C. Wear gloves; check expiration and medication prescription ownership to current patient.

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  Explanation/Reference: