A nurse asks a client to take deep breaths during an electroencephalography. The client asks, "Why are you asking me to do this?" How should the nurse respond?
a. "Hyperventilation causes vascular dilation of cerebral arteries, which decreases electoral activity in the brain."
b. "Deep breathing helps you to relax and allows the electroencephalograph to obtain a better waveform."
c. "Hyperventilation causes cerebral vasoconstriction and increases the likelihood of seizure activity."
d. "Deep breathing will help you to blow off carbon dioxide and decreases intracranial pressures."
ANS: C
Hyperventilation produces cerebral vasoconstriction and alkalosis, which increases the likelihood of seizure activity. The client is asked to breathe deeply 20 to 30 times for 3 minutes. The other responses are not accurate.
You might also like to view...
What statement by a man considering a vasectomy indicates a need for further information?
a. "Sterility does not occur immediately after the procedure." b. "We will need to use some form of birth control for about a month afterward." c. "The procedure involves the use of local anesthesia." d. "I'll need to remain in the hospital for a few days."
What should the nurse suggest to the patient who needs to reduce dietary fat?
a. Eat more meat and less fish. b. Add flour, bread crumbs, and coating when preparing foods. c. Use butter not margarine. d. Eat fresh fruits for dessert.
After teaching a client about the functions of the kidney, the nurse determines that more teaching is needed when the client states which of the following as a function?
1. Secretion of ions to maintain acid–base balance 2. Production of erythropoietin 3. Synthesis of bile 4. Production of activated form of vitamin D
An older male patient comes to the clinic with complaints of chills, malaise, myalgia, localized pain, dysuria, nocturia, and urinary retention. The nurse would most likely suspect that the patient has
a. acute cystitis. b. urinary tract infection. c. pyelonephritis. d. prostatitis.