A nurse is evaluating a client's laboratory results. The nurse should recognize that an increase in the client's prostate-specific antigen (PSA) laboratory value is indicative of which of the following diagnoses?
Prostatic cancer
Colon cancer
Liver cancer
Breast cancer
The Correct Answer is A
Choice A reason: An increased prostate-specific antigen (PSA) level is primarily indicative of prostatic conditions, including prostate cancer. PSA is a protein produced by both normal and malignant cells of the prostate gland. Elevated PSA levels can be a sign of prostate cancer, benign prostatic hyperplasia (BPH), or prostatitis. It is an important marker used in the screening and monitoring of prostate cancer.
Choice B reason: Colon cancer does not typically result in elevated PSA levels. Instead, colon cancer is often associated with markers like carcinoembryonic antigen (CEA). PSA is specific to prostate tissue, and its elevation is not related to colon cancer.
Choice C reason: Liver cancer is not associated with increased PSA levels. Liver function tests, alpha-fetoprotein (AFP), and imaging studies are more relevant in the diagnosis and monitoring of liver cancer. PSA levels do not provide information about liver cancer.
Choice D reason: Breast cancer does not affect PSA levels. Breast cancer markers include CA 15-3, CA 27.29, and others specific to breast tissue. PSA is a prostate-specific marker and is not used in the context of breast cancer diagnosis or monitoring.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Increasing the intake of raw vegetables is not typically recommended immediately after colostomy surgery due to the potential for causing gas and irritation in the bowel. A more balanced diet should be gradually introduced.
Choice B reason: It is common to experience a small amount of bleeding around the stoma initially as it heals. This is normal and should subside as the healing process continues.
Choice C reason: Fecal output usually begins within 2-4 days after surgery, not necessarily within 24 hours. The bowel needs time to adjust and start functioning properly after the operation.
Choice D reason: The stoma should be pink to red and moist, indicating healthy tissue. A purplish color may indicate compromised blood flow and requires immediate medical attention.
Correct Answer is C
Explanation
Choice A reason: A bladder infection can cause various symptoms, but blood-tinged urine is less specific to it.
Choice B reason: Dehydration typically leads to concentrated urine, not blood-tinged urine.
Choice C reason: Prostate enlargement (benign prostatic hyperplasia) can cause blood-tinged urine due to irritation and pressure on the urethra.
Choice D reason: Pernicious anemia affects red blood cell production but is not directly related to the presence of blood in the urine.
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