When the right ventricle contracts, deoxygenated blood is pushed through the pulmonary semilunar valve into a larger artery called the ________ (letter I).
pulmonary trunk
Deoxygenated blood moves from the right ventricle to the pulmonary trunk.
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If a TCPA patient has obvious bleeding, distended abdomen, multiple fractures, or an unstable pelvis, she should receive ________ of normal saline as fast as possible
A) 3 liters B) 4 liters C) 2 liters D) 5 liters
You are by the side of a female patient who has overdosed on a drug. She is conscious but very combative and noncompliant with your requests. Which one of the following statements made by the EMT best suggests assault?
A) "You win. I cannot get your blood pressure and the doctor is going to yell at me. I am going to blame you." B) "If that is the way you are going to behave, then I am not going to try to get your blood pressure anymore." C) "If you throw up in the back of my ambulance, I will use your shirt to clean it up. Just think about that for a minute." D) "If you do not let me get your blood pressure, I will take off the oxygen and you will suffocate."
Your patient is an 86-year-old man with a cardiac history. He takes blood thinners and a beta blocker for his heart. He is quite cool to the touch and his pulse oximeter reading is 87 percent. This is concerning because you know that:
A) the beta blocker can cause hypothermia in the elderly population. B) hypothermia causes a shift in the oxygen-hemoglobin dissociation curve. C) hemoglobin is suppressed leading to a decreased oxygen level. D) hypothermia leads to an increased risk of pulmonary embolism.
____ occurs frequently at altitudes above 14,000 feet and is caused by a lack of oxygen to the retina.
A. High altitude retinal hemorrhage B. Optic neuritis C. Snow blindness D. Strabismus