Focal spots measuring 0.3 mm or less should be measured with a
a. star test pattern.
b. pinhole camera.
c. spinning top.
d. all of the above
a. star test pattern.
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Your patient is a five-year-old female who awoke with a harsh cough, sore throat, drooling, and high fever. She has shallow respirations of 40 and inspiratory stridor. She is completely focused on breathing, leaning forward on her outstretched arms. Which of the following is the best course of action?
A) Start an IV for administration of succinylcholine and midazolam for RSI, intubate the trachea, and ventilate at a rate of 24 to 28 per minute. B) Provide high-concentration oxygen by nonrebreather mask, start an IV and repeat a full set of vital signs every 5 minutes en route to the emergency department. C) Inspect the hypopharynx for edema and be prepared for immediate surgical cricothyrotomy if airway obstruction is imminent. D) Provide blow-by oxygen, humidified if possible; transport without delay and avoid procedures that might upset her.
Information concerning the various dangers and other properties of chemicals and reagents in a medical facility is documented
A) on MSDS. B) through FDA regulations. C) on CDC sheets. D) by the physician.
Cyanide is a chemical asphyxiant, which means that it:
A) interferes with the utilization of oxygen at the cellular level. B) impairs pulmonary respiration by causing pulmonary edema. C) destroys red blood cells and prevents red blood cell production. D) binds to hemoglobin and prevents oxygen transport to the cells.
If an asthma attack takes place in a dental office, the dental team should administer a bronchodilator to the patient.
Answer the following statement true (T) or false (F)