what percentage of the air we breathe is made up of oxygen?

what concentration of inspired oxygen is provided by a nasal cannula when the flowermeter is set at 1to 6 L/min?

which of the following statements regarding respiratory rate is true?

which of the following is a sign of inadequate breathing in an adult?

the brain stem normally triggers breathing by increasing respirations when:

which of the following is a contraindication for placement of an oropharyngeal airway?

the proper technique for sizing an oropharyngeal airway before insertion is to measure the device from:

what is a common problem when a signal EMT uses a bag-valve mask?

when ventilating a patient with a bag-valve mask, you should:

suctioning the oral cavity of an adult should be accomplished within:

which of the following is the most common method of assisting ventilations in the field?

when a person goes _______________minutes without oxygen, brain damage is very likely

what is the most common airway obstruction in the unconscious patient?

what are agonal gasps?

which of the following could result in an inaccurate pulse oximetry reading?

nasal airways keep the tongue from blocking the upper airway and facilitate suctioning of the oropharynx

nasal cannulas can deliver a maximum of 44% oxygen at 6L/min

oral airways should be measured from the tip of the nose to the earlobe

compressed gas cylinders pose no unusual risk

the pin-indexing system is used to allow any gas regulator to be connected to an oxygen cylinder

you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.

what airway technique will you use to open his airway?

you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.

after opening the airway, your next priority is to:

you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.

what method will you use to keep his airway open?

you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.

while assisting with respirations, you note gastric distention. in order to prevent or alleviate the distention, you should do all of the following EXCEPT:

you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.

the patient is now apneic. what is the correct ventilation rate for assisting this adult patient?