A nurse is reviewing hematology laboratory results of a client receiving intravenous chemotherapy for leukemia. Which of the following laboratory findings prompts the nurse to initiate neutropenic precautions?
A white blood cell count of 1000/mm3
A red blood cell count of 5 million/mm3
A clotting time of 10 minutes
A thrombocyte count of 90,000 cells/mm3
The Correct Answer is A
Choice A reason: This is correct. A white blood cell count of 1000/mm3 indicates severe neutropenia, which is a condition of having abnormally low levels of neutrophils, a type of white blood cell that fights infections. Neutropenic precautions are measures to protect the client from exposure to pathogens, such as wearing a mask, gloves, and gown, avoiding contact with sick people, and practicing good hygiene.
Choice B reason: This is incorrect. A red blood cell count of 5 million/mm3 is within the normal range for both males and females. It does not indicate any risk of infection or bleeding.
Choice C reason: This is incorrect. A clotting time of 10 minutes is also within the normal range, which is 8 to 15 minutes. It does not indicate any risk of infection or bleeding.
Choice D reason: This is incorrect. A thrombocyte count of 90,000 cells/mm3 is low, but not low enough to require neutropenic precautions. Thrombocytes, also known as platelets, are responsible for blood clotting. A low thrombocyte count increases the risk of bleeding, but not infection. The normal range for thrombocyte count is 150,000 to 450,000 cells/mm3.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: This is incorrect. Arm and leg weakness, paresthesia, blurred vision, and facial frown are not specific to Parkinson disease, but may be seen in other neurological disorders, such as multiple sclerosis or stroke.
Choice B reason: This is incorrect. Uncontrollable rapid jerky movements in arms, trunk and facial muscles are characteristic of Huntington disease, not Parkinson disease. Huntington disease is a genetic disorder that causes progressive degeneration of the nerve cells in the brain.
Choice C reason: This is incorrect. Stumbling, backward tilt of the head, quick fluttering hand movements, and quick uncontrolled gait are signs of cerebellar ataxia, not Parkinson disease. Cerebellar ataxia is a disorder that affects the coordination and balance of the movements, caused by damage to the cerebellum.
Choice D reason: This is correct. Hand tremors, bradykinesia, skeletal muscle rigidity, and postural instability are the cardinal signs and symptoms of Parkinson disease. Parkinson disease is a chronic and progressive disorder that affects the dopamine-producing neurons in the brain, resulting in movement problems.
Correct Answer is A
Explanation
Choice A reason: Decreased hematocrit and hemoglobin indicate anemia, which is a condition where the blood does not carry enough oxygen to the tissues. This can cause symptoms such as confusion, restlessness, fatigue, and weakness in older adults.
Choice B reason: Increased erythrocyte count, or polycythemia, is a condition where the blood has too many red blood cells. This can cause the blood to become thick and viscous, which can impair blood flow and oxygen delivery. However, this is not the best explanation for the patient's confusion and restlessness, as polycythemia usually causes symptoms such as headache, dizziness, itching, and flushing.
Choice C reason: Normochromic red blood cells are red blood cells that have a normal color and hemoglobin content. This is not a finding that would explain the patient's confusion and restlessness, as it indicates a normal red blood cell function.
Choice D reason: Decreased thrombocytes, or platelets, are blood cells that help with clotting. This is a finding that would increase the risk of bleeding, but not the risk of confusion and restlessness. Decreased thrombocytes can cause symptoms such as bruising, bleeding gums, nosebleeds, and petechiae.
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