Which of the following is true concerning a partial obstruction with inadequate air exchange?

1) The patient may exhibit a crowing sound.
2) It should be treated as a complete obstruction.
3) It is not a serious condition.
4) The patient may be cyanotic.
a. 1, 2, 3, 4
b. 1, 2, 3
c. 2, 3, 4
d. 1, 2, 4


d. 1, 2, 4

Health Professions

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