Normal cerebrospinal fluid is:

Which of the following is an acceptable specimen for seminal fluid analysis:

Which of the following does not normally pass the blood brain barrier:

Liquefaction of semen normally occurs within ________ after collection.

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:

Which type of effusion would be present in cirrhosis of the liver:

Which of the following statements about renal diseases is true:

The crystal shown below was identified in a synovial fluid sample from a patient with joint pain.  The crystal demonstrates positive birefringence. Based on the crystal identification, the correct diagnosis is: 

A fecal sample appears greasy, pale, and foul-smelling. Which is the most likely cause:

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?