quiz 3 EMT
The pressure of gas in a full cylinder of oxygen is approximately_______ pounds per square inch
2,000
At a flow rate of 6L/min, a nasal cannula can deliver an approximate oxygen concentration of up to:
44%
an oxygen cylinder should be taken out of service and refilled when the pressure inside it is less than:
500 psi
Which of the following statements regarding the AED and defibrillation is correct?
The AED will not analyze the rhythm of a moving patient
The electrical stimulus that originates in the heart's primary pacemaker is controlled by impulses from the brain that arrive by way of the:
autonomic nervous system
After the AED has delivered shock, the EMT should:
immediately resume compressions
With a good mask-to-face seal and an oxygen flow rate of 15 L/min, the non rebreathing mask is capable of delivering up to _________% inspired oxygen
90
which of the following is an example of a generic drug?
Aspirin
which of the following oxygen flowmeters is NOT affected by gravity and can be used in any position when attached to an oxygen cylinder?
Bourdon-gauge flowmeter
A 40-year old man is in cardiac arrest, your partner is performing CPR. You are. attaching the AED when the patients wife tells you that he has an automatic implantable cardiac defibrillator (AICD). The AED advise that a shock is indicated. What should you do ?
Deliver the shock followed by immediate resumption of CPR
Which of the following medication routes delivers drug through their skin over an extended period of time, such as nitroglycerin or fentanyl patch?
Transcutaneous
Which of the following patients is breathing adequately?
a conscious male with respirations of 19 breaths/min and pink skin
A patient with a left ventricular assist device (LVAD) tells you that the device's pump flow is continuous. Which of following should you expect to encounter during your assessment?
absence of palpable pulse
The process by which medications travel through body tissues until they reach the bloodstream is called:
absorption
after taking diphenhydramine for an allergic reaction, a person begins experiencing drowsiness and a dry mouth. These findings are an example of a(n):
adverse effect
which of the following statements regarding the metered-dose inhaler (MDI) is correct?
an MDI delivers the same amount of medication every time it is used
High-flow oxygen with a nasal cannula during the preoxygenation phase of endotracheal intubation is called :
apnea oxygenation
An EMT may administer aspirin to a patient if:
authorization from medical control has been obtained
the ability of the cardiac muscle cells to contract spontaneously without a stimulus from a nerve source is called
automaticity
you and your partner have achieved return of spontaneous circulation (ROSC) in a patient who was in cardiac arrest. AnALS unit will arrive in less than 2 minutes. The patient remains unresponsive and has slow, irregular breathing. Further treatment for this patient should include:
bag-mask ventilation at 10 breaths/min and assessment of oxygen saturation
You and your EMT partner are the first to arrive at the scene of an unresponsive 70-year-old man. Your assessment reveals that he is apnea and pulseless. A paramedic unit is en route to the scene and will arrive in approximately 5 minutes you should:
begin CPR, apply the AED, and deliver a shock if it is indicated
a medication with antagonistic properties is one that:
blocks receptor sites and prevents other chemicals from attaching to them
when assessing an elderly male who complains of nausea and generalized weakness, you find that he takes atorvastatin (Lipitor) and amlodipine (Norvasc). These medications suggest a history of:
cardiovascular disease
the head and brain receive their blood supply of oxygenated blood from the:
carotid arteries
Oxygen toxicity is a condition in which:
cellular tissue damage occurs from excessive oxygen levels in the blood
In contrast to an automatic implantable cardiac defibrillator(AICD), an external defibrillator vest:
delivers high energy shocks , similar to an AED
the hypoxic drive is influenced by:
low blood oxygen levels
defibrillator pads are placed on the patient's chest:
one pad to the right of the upper sternum and the other pad to the left lower chest bellow the armpit
Which of the following statements regarding parenteral medications is correct?
parenteral medications are absorbed more quickly than enteral medications
An AED has delivered shock to an elderly male in cardiac arrest. Following 2 minutes of CPR, you re-analyze the patients cardiac rhythm and receive a "no shock advised" message. After further resuscitation , you restore palpable carotid pulse. Your next action should be to:
reassess airway and breathing and treat accordingly
nitroglycerin , when given to patients with cardiac-related chest pain:
relaxes the walls of coronary arteries
a patient in cardiac arrest is wearing an external defibrillator vest, which is interfering with effective chest compressions. The EMT should:
remove the battery from the monitor and then remove the vest
most AEDs are set up to adjust the voltage based on the impedance, which is the:
resistance of the body to the flow of electricity
which of the following factors will cause a reduction in minute volume in an adult
shallow breathing
separation is especially an issue with medicine used as a(n):
suspension
Structures of the lower airway include all of the following, EXCEPT:
the epiglottis
the term "Pharmacology" is MOSt accurately defined as:
the study of drugs and their actions on the body
cardiac output may decrease if the heart beats too rapidly because:
there is not enough time in between contractions for the heart to refill completely
The descending aorta divides into the two iliac arteries at the level of the :
umbilicus