When you have an unresponsive patient with an unknown mechanism of injury, how should you open their airway?
Answer(s): B
When a patient has a potential spinal injury, it is advised to use the jaw thrust. The remaining methods don’t facilitate simultaneous opening of the airway with cervical spine precautions.
Your patient has shallow respirations and bradypnea. What will this likely cause?
When a patient has shallow respirations and bradypnea, these can both contribute to a decrease in minute volume. Neither of these will make the chest rise more visible, nor will they increase the pulse oximeter reading or reduce the carbon dioxide levels.
You have a 36-year-old female patient who is suddenly having difficulty breathing. She is feeling anxious, has intercostal retractions and nasal flaring. Her respiratory rate is 24 breaths per minute. You don’t have a pulse oximeter with you. What should you do?
Answer(s): A
If you have a patient who is showing signs of hypoxia, you should administer supplemental oxygen. The NRB mask is the best technique to administer oxygen to patients who are in respiratory distress who are breathing adequately and who have no pulse oximeter reading.
Which of the following types of patients would have an oropharyngeal airway?
Answer(s): D
OPAs are for patients who are unresponsive and who would not have a gag reflex.
You have a patient with a stoma bag. You are required to ventilate him. You note that air is escaping from his mouth and nose with each breath. What should you do?
When a patient has a stoma, you should be sure to seal their mouth and nose when ventilating them. This will prevent air leakage. Using the jaw thrust or head-tilt and chin-lift will not prevent air leakage. If you reduce the tidal volume, it could potentially lead to inadequate ventilations.
What does the hypoxic respiratory drive monitor in the human body?
The body’s backup system to the CO2 drive is called the hypoxic drive. Its function is to monitor the blood’s oxygen levels. (Not CO2 or blood glucose!) The pulse oximeter is an external patient monitoring device.
You should administer a non-rebreather mask to:
Answer(s): C
Non-rebreather masks are indicated for patients who are breathing spontaneously with adequate ventilations and who show signs of hypoxia. Patients who have inadequate, slow or shallow ventilations should be ventilated.
You have a 6-year-old patient in your care that is in respiratory distress. The pulse oximeter (SaO2) reads 93%. How must you manage your patient?
Oxygen is given to patients who present signs or symptoms of hypoxia, including a pulse oximeter below 94%. EMTs should not withhold oxygen from any patient who has a pulse oximeter under 94%. It is not up to the EMTs to contact the patient’s physician for medical instructions and they shouldn’t administer MDIs which have not been prescribed to the patient.
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