The nurse is caring for a patient with a malignant brain tumor. The patient asks the nurse why the tumor is being treated with radiation instead of chemotherapy. The nurse's explanation involves what important information?
A) "Medications have difficulty crossing the blood–brain barrier."
B) "Neurons in the brain are easily damaged by chemotherapy."
C) "Tumors arising from nervous tissue are not impacted by chemotherapy."
D) "Chemotherapy reduces nerve transmission and cannot be used."
A
Feedback:
The blood–brain barrier is a functioning boundary that plays a defensive role by keeping toxins, proteins, and other large structures out of the brain and preventing their contact with the sensitive and fragile neurons. As a result, medications like chemotherapy can have difficulty crossing this barrier to reach the tumor. The other answers are neither true nor the correct option.
You might also like to view...
A client has been brought to the emergency room by a family member. The client is speaking incoherently. To obtain information about the client's current health status, what should the nurse do?
1. Call the client's healthcare provider. 2. Call the Medical Records department to obtain other records for the client. 3. Discuss the situation with the family member who brought the client to the hospital. 4. Conduct a thorough physical assessment and document the health history as "unable to obtain."
A healthcare organization is reviewing post-disaster feedback to improve the design and implementation of a better continuity plan for use. What is the purpose of this analysis?
A) Feedback collected is used to identify what worked and what did not because plans that looked good before a disaster may not look so good after one. B) Feedback collected after disasters (or mock disasters) is not useful because the staff had no other options during the disaster. C) Feedback collected after disasters (or mock disasters) is not necessarily accurate. D) Feedback collected after disasters (or mock disasters) provides data for change in a limited number of areas.
Which statement about head lice is true?
a. Prevalence of head lice in U.S. schools is nearly 50%. b. Most cases of head lice are found in white, middle-class children. c. Having head lice is associated with living in an unclean home. d. Most incidents of head lice occur in those with dirty hair.
A nurse states, "The best way to treat a client from another country is to care for them the same way we would want to be cared for. After all, we are all humans with the same wants and needs." What does this statement reflect in relation to culture?
a. Awareness b. Blindness c. Knowledge d. Preservation