Which of the following is a highly hazardous substance used in older transformer cooling oils?
A) DDTs
B) HFCs
C) ERGs
D) PCBs
D
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Which instructions would you provide to the Emergency Medical Responders when treating a patient who was punched in the eye and has blood visible in the anterior chamber?
A) "It is important to keep pressure down in the eye, so we will transport the patient in a sitting position." B) "Let's apply a cold pack to the eye and immobilize the patient for transport." C) "Let's put a shield over the eye and bandage it in place to apply some pressure to the eye." D) "We will need to cover both eyes with patches before we transport the patient."
The heart block that causes "dropped" beats and that is often the result of increased parasympa-thetic tone is called _____ block
a. Sinoatrial c. First-degree atrio-ventricular b. Mobitz type I d. Left bundle branch
After selecting the appropriate site for taking a blood pressure, the cuff is inflated. The stethoscope is placed over the ____ artery, and the air is released slowly, 2 mm Hg per second.
A. radial B. ulnar C. brachial D. subclavian
During an inferior alveolar block, a patient makes a sudden movement in response to needle contact with bone. The needle bends and breaks off at the hub. The broken shank of the needle is visible. Which of the following is a recommended first response?
A) Gently remove the needle with gloved fingers B) Contact an oral surgeon and transport the patient to the oral surgeon's office C) Ask the patient to keep the mouth open and attempt to remove the needle with a hemostat D) Take a radiograph to determine if the needle remains in contact with bone. If not, remove the needle with a sterile hemostat