A patient is surprised to learn that cerebrospinal fluid will be removed during a lumbar puncture and asks the purpose of the fluid. What should the nurse explain to the patient? (Select all that apply.)
a. Interprets sensory information
b. Provides oxygen to the brain tissue
c. Cushions the central nervous system
d. Conducts electrical impulses between brain hemispheres
e. Exchanges nutrients and wastes between the blood and neurons
ANS: C, E
Cerebrospinal fluid permits the exchanges of nutrients and wastes between the blood and CNS neurons. It also acts as a cushion or shock absorber for the CNS. A. The cerebrospinal fluid does not interpret sensory information. B. Blood and not cerebrospinal fluid provides oxygen to brain tissue. D. Nerves and not cerebrospinal fluid conduct electrical impulses between the brain hemispheres.
You might also like to view...
The patient uses terminology in describing cultural beliefs the nurse has never heard before, so the nurse goes to the Internet to better understand what the patient is talking about. What component of cultural competence is this nurse displaying?
1. Cultural awareness 2. Cultural desire 3. Cultural knowledge 4. Cultural skill
The nurse is about to administer lithium to a client with a bipolar disorder. Which statement by the client requires immediate follow up by the nurse?
A) "My mouth feels dry." B) "I feel like I can't stop moving my hands." C) "I have been taking this for over two months." D) "I feel productive today."
A patient is newly diagnosed with arthritis of the cervical vertebrae. The nurse realizes this patient has a disease process within the:
1. Cartilaginous joints. 2. Fibrous joints. 3. Synovial joints. 4. Spheroidal joints.
A patient with bipolar disorder and who takes lithium telephones the nurse at the clinic to say, "I've had severe diarrhea for 4 days. I feel very weak and unsteady when I walk. My usual hand tremor has gotten worse. What should I do?"
The nurse should advise the patient: a. "Restrict food and fluids for 24 hours, and stay in bed." b. "Have someone bring you to the clinic immediately." c. "Drink a large glass of water with 1 teaspoon of salt added." d. "Take an over-the-counter antidiarrheal medication hourly until the diarrhea subsides."