Where does blood travel when it leaves the right ventricle of the heart?
Answer(s): D
Oxygen-poor blood arrives in the right atrium and is pumped out through the right ventricle via the pulmonary arteries, to the lungs.
Research shows that most of the cases of inappropriately delivered shocks from an AED have been caused by:
Almost all documented cases of inappropriate shocks have been attributed to human error, such as using the AED in a moving vehicle or operating it on a patient with a pulse.
Which statement about the assessment of a patient with cardiac compromise is correct?
Answer(s): A
It is impossible to determine the actual degree of tissue damage in the field, so the purpose of the focused assessment is to gather information for the receiving facility. You should always ask about medications; it is the M of SAMPLE. The focused history has nothing to do with AED use. Cardiac pain has all sorts of presentations, making it difficult to differentiate from other conditions.
The left atrium:
Answer(s): B
Pulmonary veins return oxygen-rich blood from the lungs to the left atrium, where it is sent to the left ventricle and pumped to the rest of the body.
You should apply the AED pads to your patient when he:
Answer(s): C
An AED should only be applied when the patient does not have a pulse nor respirations.
What are the two lower chambers of the heart called?
The lower chambers of the heart (left and right) are both called the ventricles.
In the heart, which valve is located between the right atrium and right ventricle?
The tricuspid valve is located between the right atrium and right ventricle.
You are dispatched to a 65-year old male who is complaining of severe chest pain, and has a history of cardiac problems. What is the primary role of medical direction in this scenario?
Medical direction’s primarily role is to authorize the delivery of interventions to the patient by the EMT.
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