Which of the following are true about NO2?
1. NO2 levels greater than 10 ppm can cause hemorrhage, pulmonary edema, and death.
2. NO2 is produced spontaneously whenever NO is exposed to O2.
3. The Occupational Safety and Health Administration (OSHA) safety limit for NO2 exposure is 5 ppm.
4. NO2 exposure should be kept below 5 ppm during NO administration.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
ANS: B
OSHA has set the safety limit for nitrogen dioxide exposure at 5 ppm.
You might also like to view...
You are caring for a 69-year-old male patient who is short of breath and in acute congestive heart failure. He is alert, anxious, and panicked, with an open airway and rapid shallow respirations. His heart rate is tachycardic, and his skin is cool and diaphoretic, with cyanosis noted to the lips and fingers. There are crackles noted in both lungs, as well as pedal edema in both feet. The patient denies chest pain or discomfort, but is having a difficult time speaking due to the shortness of breath. When caring for this patient, you should:
A) Administer four baby aspirins B) Place the patient in the shock position C) Insert a nasal airway D) Apply continuous positive airway pressure (CPAP)
Which of the following ventilator control types consists of the output of the ventilator automati-cally matching a constant operator-preset input value?
a. Optimal c. Auto-set-point b. Set-point d. Knowledge-based
A drop in the systolic pressure of greater than 10 mmHg during inspiration is called:
A) pulsus alternans. B) paradoxical movement. C) pulsus paradoxus. D) mean arterial pressure.
Listed below are terms used in reviewing the etiology of periodontal diseases. Give an explanation for each item. A. Dental biofilm B. Unattached subgingival plaque C. Direct effects of bacteria D. Tissue invasion of bacteria
What will be an ideal response?