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NAHP Exam (NRCMA) LABORATORY
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The most important rule to remember when using a centrifuge - ✔ Always balance the tunes placed inside Which would cause urine to appear hazy or cloudy - ✔ All (mucus, bacteria, amorphous crystals) In general the intensity of urine color reflects - ✔ The concentration A genitourinary tract infection would primarily be evidenced by a microscopic containing many - ✔ White blood cells When performing a microscopic, the evaluation of each element present in the urinary sediment is based upon the - ✔ Average number in ten fields
The appropriate Guage needle to use when performing phlebotomy of veins in the forearm is - ✔ 20 or 21 Guage When doing a red cell count, the factor by which the cells counted are multiplied is - ✔ 10, The packed RBC volume is known as the hematocrit. The hematocrit reading is low in cases of - ✔ Anemia When focusing the microscope, one should begin with which objective - ✔ 10X The lenses of the microscope should be cleaned with - ✔ Lens paper When using a microscope with a 10X ocular and the 40X objective in place, the total magnification is - ✔ 400X When performing a microscopic urinalysis, red and white blood cells are reported per - ✔ HPF
✔ large blue to purple staining granules The white blood cell most often seen when performing a differential is - ✔ segmented neutrophil When a venipuncture is performed using a lavender top vacutainer tube, the sample - ✔ is commonly used for hematology testing The most common bacteriology stain is - ✔ gram stain Microscopically, an organism determined to be staphlyococcus appears - ✔ round and grouped in clusters Sensitivity testing is - ✔ Both - done to determine the drug of choice, and commonly done on Mueller- Hinton agar The most common positions for chest x-rays are - ✔ PA and lateral The substance used to prevent x-ray exposure is - ✔ lead
Gram staining is done to determine - ✔ Whether a bacteria is gram positive or gram negative On a normal ECG tracing, the first wave to show downward deflection is - ✔ Q wave The purpose for applying paste or jelly when running an ECG is to reduce - ✔ skin resistance The first sound heard when taking blood pressure is - ✔ systolic pressure A counting chamber utilized in manual microscopic methods is called a - ✔ hemacytometer Normal oral temp is 98.6F. The equivalent Celsius temp is - ✔ 37.0C Active immunity will be produced when - ✔ The antigens or microorganisms are injected into the patient When autoclaving surgical instruments, the timing period begins when -
The largest white blood cells are the - ✔ monocytes The universal donor is blood type - ✔ O Which of the following needles has the widest lumen (19,21,22,25 gauge) - ✔ 19 gauge The nerve to be concerned about when giving an injection into the buttocks is - ✔ sciatic An injection into the tissues between the skin and muscle is called - ✔ subcutaneous Size of the needle is expressed by - ✔ gauge numbers GTT is a test for - ✔ sugar metabolism Hemostats are a type of -
✔ forceps What is the longest time a tourniquet should remain on the patients arm - ✔ 1 minute An erythrocyte us also known as - ✔ red blood cell A leukocyte is also known as a/an - ✔ white blood cell A urine test usually require between ___ and ___ mL of the specimen - ✔ 30 - 50 What are the two types of direct examination using a microscope to identify microorganisms - ✔ wet mount and KOH mount The most common device for obtaining cultures is a sterile swab - ✔ true The most reliable and timely method of transporting microbiologic specimens is pickup by the lab -
