The process in which simulated patient specimens made from a common pool are analyzed by laboratories to determine the “quality” of the laboratories’ performance is referred to as
Blog
A 10 year old boy, who recently recovered from a streptococc…
A 10 year old boy, who recently recovered from a streptococcal infection, was taken to the doctor with symptoms including fever, nausea, and malaise. Physical examination reveals edema around the eyes and the knees. Blood tests reveal a decrease in serum complement. A routine urinalysis reveals the following results:Color: Yellow:Blood Moderate, Clarity:Hazy, pH: 6.5, Glucose: Postive (++++), Protein: 300mg/dL, Bilirubin: Negative, Urobilinogen: Normal, Ketone: Negative, Leukocyte Esterase: Small, Specific Gravity: 1.015, Nitrite: Negative, Microscopic exam:20-50 RBC/hpf 10-20 WBC/hpf 5-10 Cocci/hpf2-3 Granular casts/lpfSpecific gravity by refractometer: 1.035There are no interfering substances or errors in testing or storage of the sample. Which of the following is the correct interpretation for the patient’s specific gravity:
The presence of crystals in body fluids is best observed und…
The presence of crystals in body fluids is best observed under:
A list of intervals followed by a list of frequencies is ref…
A list of intervals followed by a list of frequencies is referred to as a
Which of the following is responsible for the formation of s…
Which of the following is responsible for the formation of serous fluid:
Which of the following body fluids is normally cloudy:
Which of the following body fluids is normally cloudy:
When establishing a reference value for a specific analyte,…
When establishing a reference value for a specific analyte, you are going to examine several different variables including: age, gender, ethnicity, use of indispensable drugs, smoking habits, alcohol intake, and physical condition compared with the specific analyte value. What type of analysis would be most appropriate?
Cerebrospinal fluid circulates between the :
Cerebrospinal fluid circulates between the :
What is the positive predictive value of a test in which 220…
What is the positive predictive value of a test in which 220 tested individuals with positive test results actually have the disease and 45 tested individuals with positive test results did not have the disease?
The Westgard rules for quality control were designed to decr…
The Westgard rules for quality control were designed to decrease subjectivity in data analysis and to aid in troubleshooting. The rule stated as R4s is interpreted as meaning: