Which kVp setting produces the highest contrast between sound enamel and demineralization?
a. 70
b. 80
c. 85
d. 90
a. The lower the kVp setting, the higher the contrast image. In this list, a kVp setting of 70 will produce a black-and-white image with few shades of gray.
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When assisting with a delivery in the field, which of the following should be done as the head begins to emerge from the vagina?
A) Apply gentle pressure to the head with your gloved hand. B) Pull on the baby. C) Check for crowning. D) Advise the mother not to push or strain.
You are called to the scene of a collision. A 42-year-old female patient was the driver of the vehicle struck in the driver's side door. She is now complaining of pain in her left side and left shoulder. You should most suspect injury to the:
A) liver. B) lower intestine. C) spleen. D) esophagus.
Which of the following fluids is NOT checked by an EMT?
A) Transmission B) Oil C) Hydraulic D) Coolant
Which of the following devices or methods would be appropriate to provide sufficient humidity for an intubated patient with an uncuffed endotracheal tube who has thick, bloody secretions?
a. Heat and moisture exchanger b. Heated humidifier c. Heated humidifier with a heat and mois-ture exchanger d. Systemic hydration