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8. The presence of which of the following in urine may signal the onset of diabetes mellitus? a. leukocytes b. erythrocytes c. ketones d glucose enitrites 9. The presence of many red blood cells (RBCs) in a urine microscopic examination is referred to as a polyuria b. hematuria c. albuminuria. d. pyuria. e leukocytopenia 10. The medical assistant can prevent tampering of a chain of custody drug test by doing all of the following except a. having an accurately completed chain of custody form. b. placing bluing tablets in the toilet water. c. having same-sex personnel monitor the collection d. using an unlabeled, clean and dry cup for collection. e. ensuring the urine is at a defined and appropriate temperature. Critical Thinking Refer to the case study at the beginning of the chapter 45 and use what you have learned to answer the following questions, 1. After reading the results of the urinalysis, Dr. Salpega diagnoses Ms. Flannery with a UTI. What chemical characteristics may have tested positive on the reagent strip that would have led Dr. Salpega to diagnose a UTI? 2. Dr. Salpega informs Susan that he would like the urine sample sent to the lab for a culture. Why might the physician decide to do this? 3. What is a common cause of UTIs in women? What can women do to lessen their chances of developing a UTI? On the Job José Menendez is an older adult patient of Dr. Juárez, a board-certified urologist. Mr. Menendez has a history of recurrent UTIs dating back more than 10 years. When he becomes symptomatic, he has been instructed to call Dr. Juárez’s office and schedule a urinalysis. Dr. Juárez’s receptionist has just received a call from Mr. Menendez. He says he knows he is supposed to come in for a urinalysis but that he just wants a prescription phoned in to his pharmacy instead. The receptionist asks Emilia, Dr. Juárez’s medical assistant to take the call from Mr. Menendez
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