How is the correct point of entry achieved when using the paralleling technique?
What will be an ideal response?
The point of entry for directing the central ray at the image receptor when using the paralleling technique for periapical radiographs may be located using the external aiming device of the image receptor positioner. Without an external indicator, care should be taken to center the image receptor within the beam of x-radiation.
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All of the following are common clues that a child is being neglected EXCEPT:
a. severe diaper rash. b. malnutrition and underweight condition. c. a child patient ignoring and avoiding physical contact with EMS provider. d. untreated medical conditions.
Which of the following statements about ionization smoke detectors is MOST accurate?
A. Ionization smoke detectors detect tiny amounts of radioactive material emitted by burning fuel. B. Ionization smoke detectors generally respond faster to smoldering than to flaming fires. C. Ionization smoke detectors detect products of combustion using tiny amounts of radioactive material. D. Ionization smoke detectors are sensitive to sunlight, and are usually installed in fully enclosed areas.
A patient is concerned about toothbrushing and flossing after surgery. He had periodontal flap surgery with the placement of BioMend. What postoperative instructions should be given to the patient?
What will be an ideal response?
Which of the following might be used to relieve a tension pneumothorax in a neonate?
a. Transillumination b. Needle thoracentesis c. Lung expansion therapy protocol d. Surfactant replacement therapy