A patient who is scheduled to begin chemotherapy for the treatment of breast cancer is anxious about the possibility of experiencing nausea and has asked the nurse multiple questions about the physiology of the phenomenon
When explaining the physiology of nausea and vomiting, the nurse should include which of the following statements? A) The vomiting center is a cluster of cells in the cerebellum.
B) The vomiting center sends afferent signals to the chemoreceptor trigger zone (CTZ).
C) The chemoreceptor trigger zone CTZ is composed of neurons in the fourth ventricle.
D) The CTZ is located partly within the central nervous system and partly in the peripheral nervous system.
C
Feedback:
The CTZ is composed of neurons in the fourth ventricle. The vomiting center is a nucleus of cells in the medulla oblongata. Stimuli are relayed to the vomiting center by afferent signals from the chemoreceptor trigger zone (CTZ).
You might also like to view...
After teaching a client who is recovering from a colon resection, the nurse assesses the client's understanding. Which statements by the client indicate a correct understanding of the teaching? (Select all that apply.)
a. "I must change the ostomy appliance daily and as needed." b. "I will use warm water and a soft washcloth to clean around the stoma." c. "I might start bicycling and swimming again once my incision has healed." d. "Cutting the flange will help it fit snugly around the stoma to avoid skin breakdown." e. "I will check the stoma regularly to make sure that it stays a deep red color." f. "I must avoid dairy products to reduce gas and odor in the pouch."
A nurse considers environmental aspects of milieu management while planning care for a newly admitted patient. Which element has the highest priority?
a. Norms b. Safety c. Balance d. Structure
The nurse manager is planning activities to enhance employee empowerment. Which elements of both structural empowerment and psychological empowerment are supported when the manager involves staff in both quality improvement (QI) projects and evaluation outcomes of practice changes?
1. Information and impact 2. Information and meaning 3. Opportunities and impact 4. Support and self-determination
A nurse is teaching a client about good oral hygiene. What information should the nurse provide the client regarding oral hygiene and mouth care?
A) Floss forcefully to remove debris between teeth. B) Practice oral hygiene to improve appetite and taste of food. C) Use a small toothbrush for sensitive teeth and gums. D) Moisten lips with water to prevent dryness.