What is the normal extracellular potassium concentration?
A. 1.5 - 3 mEq/L
B. 4 - 6.5 mEq/L
C. 5-7.5 mEq/L
D. 3.5 - 5 mEq/L
Answer: D
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A(n) ________ gastrointestinal series is the administration of a barium enema, which outlines the colon and rectum on a radiographic picture
a. upper b. lower c. large d. small
Regarding "burnout" and the emergency medical services, what statement is most accurate?
A) Employers are required to have a written plan addressing EMT burnout B) Burnout can diminish an EMT's ability to provide competent care C) Research indicates that burnout affects all EMS personnel within a five-year period D) Burnout often tends to resolve on its own over time
A patient is extubated and placed on a cool, bland aerosol with 30% oxygen. Twenty minutes post extubation, the respiratory therapist is called to assess the patient, who has shortness of breath
The respiratory therapist observes intercostal retractions, accessory muscle use, and a respiratory rate of 38 breaths/min. Stridor can be heard without a stethoscope, and the SpO2 has dropped from 97% to 85%. The patient is given an aerosolized racemic epinephrine treatment and reas-sessed. Accessory muscle use continues, intercostal retractions decrease slightly, and stridor is heard on auscultation. The patient's respiratory rate is 30 breaths/min and the SpO2 is 88%. What should the respiratory therapist recommend? a. Reintubation and mechanical ventilation b. Heliox therapy and steroid administration c. Increase the FIO2 on the cool bland aerosol to 40% d. Use a nonrebreather mask with 15 L/min oxygen.
You have been called for a patient who is not feeling well. Assessment indicates an open airway, adequate breathing, and regular radial pulse. He states that his left arm is weak and has had a stroke in the past which caused paralysis in his right arm. He is also a diabetic and has not taken any insulin today beast he is out of the medication. Vital signs are pulse 88, respirations 20, blood pressure 186/104, and SpO2 95% on home oxygen for his COPD. What assessment finding is most concerning to you?
A. Left arm weakness. B. Elevated blood pressure. C. Poussine blood glucose elevation. D. SpO2 of 95% on 2 lpm of oxygen.