1 MLT -111 Urinalysis & Body Fluids MLT -111 Urinalysis & Body Fluids Exam 2 Solved 100% Correct A medical laboratory science student consistently obtains lower RBC counts than the instructor. A possible reason for this might be: {Ans: - Failure to completely resuspend the sediment specimen Which inherited renal disorder manifests itself in the develo pment of gout in teenage years? {Ans: - Uromodulin -associated kidney disease To increase the probability of detecting urine sediment constituents that have a low refractive index, clinical laboratories often use: {Ans: - Phase -contrast microscopy What type of renal failure is indicated for a patient with a trauma requiring transfusion of 8 units of blood? {Ans: - Prerenal In which of the following disorders would waxy and broad casts be most likely to be seen? {Ans: - Chronic renal failure (T/F)To adjust th e intensity of light in a bright -field microscope, the condenser should be raised or lowered. {Ans: - False A decrease in systemic blood flow affects the renal tubules by producing: {Ans: - Ischemia To detect the presence of casts, the sediment is examined using: {Ans: - Reduced light under low power The predecessor of the standardized urine microscopic examinat ion was the: {Ans: - Addis count Which crystal has a lemon or wedge shape? {Ans: - Uric acid Infection of the bladder is termed: {Ans: - Cystitis 2 MLT -111 Urinalysis & Body Fluids What type of renal failure is indicated with a patient who has positive blood cultures for Staphylococcus aure us? {Ans: - Prerenal Which stain can help identify oval fat bodies? {Ans: - Sudan III Optimal viewing is obtained by performing Köhler illumination adjustment to the: {Ans: - Condenser (T/F)When changing magnification using a par focal microscope, focusing is performed using the coarse adjustment knob. {Ans: - False Centrifugation of less than the recommended 12 mL of urine for the microscopic examination will: {Ans: - Decrease the number of cellular elements Which of the following are reported as the quant ity per low -power field? {Ans: - Casts In which part of the kidney is uromodulin produced? {Ans: - Proximal and distal tubules Which microscopic urinalysis finding is not characteristic of a patient with acute interstitial nephritis? {Ans: - Bacteria An in creased number of urinary eosinophils are diagnostic for: {Ans: - Acute interstitial nephritis (T/F)Renal tubular epithelial cells from the distal convoluted tubule are smaller than those from the proximal convoluted tubule. {Ans: - True The most serious tubulointerstitial disorder is: {Ans: - chronic pyelonephritis Which crystal appears as coffin lids? {Ans: - Triple phosphate Which does not cause damage to the glomerulus? {Ans: - Increased filtration of electrolytes A lipid droplet that does not stain with Sudan III may be composed of: {Ans: - Cholesterol What type of renal failure is indicated with an untreated cystitis? {Ans: - Renal
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