Which of the following lab values would the nurse expect in a patient who has sustained trauma to the lungs and chest wall and is experiencing respiratory failure?
a. Electrolyte imbalances
b. Elevated PaCO2
c. Low hematocrit
d. Elevated pH
ANS: B
In respiratory failure, inadequate gas exchange occurs such that PaO2 ≤ 60 mm Hg or PaCO2 ≥ 50 mm Hg with pH ≤ 7.25. Electrolyte imbalances do not occur, but changes in blood gas values do. Hematocrit may be unaffected. pH will be decreased.
You might also like to view...
The EMT should recognize a full-term pregnancy has occurred in which patient?
A) A 21-year-old woman who is 39 weeks pregnant and feeling dizzy B) A 40-year-old woman beginning her third trimester but whose water just broke C) A 25-year-old woman who is 220 days into pregnancy and complaining of back pain D) A 33-year-old woman who is pregnant with twins and in the eighth month of pregnancy
All of the following times are optimal for providing dental treatment to the seizure patient EXCEPT:
A. late afternoon appointments. B. after the patient has eaten breakfast. C. within a few hours of taking medication.
The National Childhood Vaccine Injury Act of 1986 states that doctors must keep all immunization records
A. for 6 months. B. on computer disks or microfilm. C. for 5 years. D. permanently in the office.
If the half-value layer of diagnostic radiographic equipment is too low, it may be corrected by
a. increasing the primary beam filtration. b. decreasing the primary beam filtration. c. decreasing the kVp. d. increasing the mAs.