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Which statement about chemotherapy is true?
- A. It is a local treatment affecting only tumor cells.
- B. It is a systemic treatment affecting both tumor and normal cells.
- C. It has not yet been proved an effective treatment for cancer.
- D. It is often the drug of choice because it causes few, if any, side effects.
Correct Answer: B
Rationale: 5-FU is an antineoplastic, antimetabolic drug that inhibits DNA synthesis and interferes with cell replication. It is given intravenously and acts systemically. It affects all rapidly growing cells, both malignant and normal. It is used as adjuvant therapy for treating cancer of the colon, rectum, stomach, breast, and pancreas. This drug has many side effects, including bone marrow depression, anorexia, stomatitis, nausea, and vomiting.
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Neural tube defects in the fetus have been primarily associated with which deficiency in the mother?
- A. iron
- B. folic acid
- C. vitamin B12
- D. vitamin E
Correct Answer: B
Rationale: Folic acid is essential for the development of the neural tube and might prevent the defect or failure of the tube to close (congenital anomalies).
Support systems during the grieving process include all of the following except:
- A. a despondent friend.
- B. a nurse.
- C. a social worker.
- D. a family member.
Correct Answer: A
Rationale: A despondent friend, even though this could be a support to the grieving person, is in a state of despondency. Therefore, he or she might not do well with a grieving friend.
Elderly persons with pernicious anemia should be instructed:
- A. to increase their dietary intake of foods high in B12.
- B. that they do not need to return for follow-up for at least a month after initiation of treatment.
- C. that oral B12 is safer and less expensive than parenteral replacement.
- D. that diarrhea can be a transient side effect of B12 injections.
Correct Answer: D
Rationale: Pernicious anemia is a megaloblastic, macrocytic, normochronic anemia caused by a deficiency of the intrinsic factor produced by the stomach. This results in malabsorption of vitamin B12, which is necessary for DNA synthesis and maturation of RBC. Education should include side effects of Vitamin B12, which can include pain and burning at the injection site, peripheral vascular thrombosis, and transient diarrhea.
A corporate executive works 60-80 hours a week. The client is experiencing some physical signs of stress. The nurse teaches the client biofeedback techniques. This is an example of which of the following health-promotion interventions?
- A. structure
- B. relaxation technique
- C. time management
- D. regular exercise
Correct Answer: B
Rationale: Biofeedback is a relaxation technique that helps manage stress by teaching control over physiological responses, addressing the client's stress-related symptoms.
A nurse is instructing a person who had a left CVA and right lower extremity hemiparesis to use a quad cane. Which of the following is the most appropriate gait sequence?
- A. Place the cane in the patient's left upper extremity, encourage cane, then right lower extremity, then left upper extremity gait sequence.
- B. Place the cane in the patient's left upper extremity, encourage cane, then left lower extremity, then right upper extremity gait sequence.
- C. Place the cane in the patient's right upper extremity, encourage cane, then right lower extremity, then left upper extremity gait sequence.
- D. Place the cane in the patient's right upper extremity, encourage cane, then left lower extremity, then right upper extremity gait sequence.
Correct Answer: A
Rationale: The cane should be placed in the patient's strong upper extremity (left), and the sequence should coordinate the weak side (right leg) with the cane for support, followed by the strong side (left leg).