The central chemoreceptors are stimulated by
a. decreased PaO2 . c. decreased SaO2.
b. increased PaO2 . d. increased PaCO2.
D
The central chemoreceptors respond to changes in the hydrogen ion concentration of that fluid. Ventilation is increased when the hydrogen ion concentration increases, as evidenced by a rise in the plasma arterial PaCO2.
You might also like to view...
Which of the following situations is most likely to be considered a crime?
A) A nurse physically restrains a patient, resulting in injury B) A nurse inadvertently gives the wrong medication to the wrong patient C) A nurse makes an error due to extreme fatigue D) A nurse refuses to delegate tasks to unlicensed assistive personnel
Research has found that gender bias and leadership
a. Is overt b. Is subtle c. Is predominantly masculine d. Is predominantly feminine
A home care nurse is visiting an older client who has been recovering from a mild brain attack (stroke) affecting her left side. The client lives alone but receives regular assistance from her daughter and son, who both live within 10 miles. Which of the following actions should the nurse take to assess the client's safety risk?
A. Assessing the client's visual acuity B. Observing the client's gait and posture C. Evaluating the client's muscle strength D. Looking for any hazards in the home environment E. Asking a family member to move in with the client until her recovery is complete F. Requesting that the client transfer to an assisted living environment for at least 1 month
If a 40-year-old, woman weighing 60 kg breaks both ankles while hiking and is hospitalized, her fluid needs would be _____ mL.
a. 1800 to 2100 b. 2100 to 2400 c. 2400 to 2700 d. 2700 to 3000