A stable black metallic silver atom is formed when
a. a negative silver ion is oxidized.
b. a positive silver ion is oxidized.
c. a negative silver ion obtains an electron.
d. a positive silver ion obtains an electron.
d. a positive silver ion obtains an electron.
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Which of the following types of oxygen analyzer can be placed in a ventilator circuit to continu-ously monitor oxygen concentration?
1. Polarographic 2. Paramagnetic 3. Galvanic 4. Physical a. 1 and 4 c. 2 and 3 b. 1 and 3 d. 2 and 4
Successful tube passage through the larynx during blind nasotracheal intubation is indicated by which of the following? 1. Louder breath sounds 2. Harsh cough 3. Vocal silence
a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3
The focus of hospice care is
A) comfort measures. B) emotional support. C) relief from pain. D) all of the above.
Normal ventilation and perfusion in a healthy patient maintains a 4:5 ratio of ventilation to blood flow. If 8 liters of blood are perfused through the lungs, how much gas is available in the alveoli for exchange?
A) 0.8 L B) 6.4 L C) 10 L D) 20 L