Advantages of small-volume ultrasonic nebulizers for drug delivery include which of the follow-ing? 1. Greater respirable drug mass 2. Less dead space and waste 3. Increased mobility 4. Decreased cost

a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only


ANS: B
Both theoretical advantages of the ultrasonic devices are outweighed by relatively high purchase costs and poor reliability.

Health Professions

You might also like to view...

You have just delivered an infant. The baby is limp with central cyanosis. There is NO apparent respiratory effort. You should:

a. begin resuscitation immediately. b. withhold resuscitation for 1 minute so that the APGAR score can be used to guide your efforts. c. give oxygen by blow-by, but withhold other resuscitative measures until a 1-minute APGAR score can be determined. d. position, dry, warm, suction, and stimulate the infant, but withhold other resuscitation until a 1-minute APGAR score can be determined.

Health Professions

What are the noticeable signs and symptoms of hypoglycemia?

What will be an ideal response?

Health Professions

Salt water is indicated for:

A) hiccups B) arthritis C) nausea D) sore throat

Health Professions

Which of the following are advantages of pressure-limited ventilators used in alternative settings except?

1. Are responsive to changing flow demands. 2. Can deliver higher volumes and pressures. 3. Are lightweight and less expensive. 4. Can compensate for small leaks. a. 1 and 3 only b. 1, 2, and 4 only c. 2 and 4 only d. 2, 3, and 4 only

Health Professions