Which lab value is a reliable indicator of bone marrow suppression in a patient receiving chemotherapy?
Total protein level
Serum potassium level
Erythrocyte sedimentation rate (ESR)
Platelet count
The Correct Answer is D
A. Total protein level. Total protein level does not directly indicate bone marrow suppression.
B. Serum potassium level. Serum potassium level reflects electrolyte balance but is not specific for bone marrow suppression.
C. Erythrocyte sedimentation rate (ESR). ESR can indicate inflammation but is not a reliable indicator of bone marrow suppression.
D. Platelet count. Platelet count is a reliable indicator of bone marrow suppression because chemotherapy can significantly reduce platelet production, leading to thrombocytopenia.
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Related Questions
Correct Answer is C
Explanation
A. Prostate specific antigen: This test is used to screen for prostate cancer, not for diagnosing syphilis.
B. Enzyme-linked immunosorbent assay (ELISA): While ELISA can be used to detect antibodies for various infections, it is not the first-line test for syphilis.
C. Venereal disease research laboratory (VDRL): The VDRL test is commonly used to screen for syphilis, especially in the presence of a genital chancre.
D. Western blot test: This test is more commonly used to confirm HIV infection, not for initial syphilis screening.
Correct Answer is B
Explanation
A. Elevated blood pressure above 140/90. While hypertension can occur in middle age, it is not specifically associated with perimenopause.
B. Report of dryness with vaginal intercourse. Vaginal dryness is a common symptom of perimenopause due to decreasing estrogen levels.
C. Report of urinary retention. Urinary symptoms in perimenopause more commonly include frequency and urgency, rather than retention.
D. Elevated body temperature above 37.8° C (100° F). While hot flashes are common during perimenopause, they do not typically cause a sustained elevated body temperature.
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