Compared to young brains, old brains have:
a. Fewer neurons
b. More neurotransmitters
c. Thinner myelin sheaths
d. More sensitivity to sensory stimulation
C
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While ventilating a conscious patient's tracheostomy tube with a connected bag-valve mask, the EMT should verify the patient's comfort level for which of the following?
A) Ventilation rate B) Ventilation volume C) Ventilation pressure D) All of the above
A bleacher at a college has collapsed, and your crew is the first EMS unit to arrive on the scene. As you enter the gym, several patients are walking around with visible injuries. Which instruction is most appropriate for these ambulatory patients?
A) "Go outside and wait by the red fire truck in the parking lot and stay there." B) "Sit down here so that I can do a quick assessment on you." C) "Put this yellow tag on your wrist and go outside to the red fire truck in the parking lot." D) "Leave this gym and wait outside. I will be out in a few minutes after I check others who cannot walk."
What happens to nuclear chromatin at mitosis?
a. Opens b. Condenses c. Disappears d. Develops nucleoli
Which surgical/procedural modifier would be used when a repeat procedure is performed by another physician or other qualified health care professional?
A) -56 B) -77 C) -80 D) -99