1. A negative result in the test device for Barbiturates may not necessarily indicate Barbiturates-freeurine. Explain why.2. If adulteration is suspected, the test should be repeated using a new urine specimen. What areexamples of adulterants which would interfere with test results for Barbiturates detection in urine?3. Two subsequent urine test devices for Barbiturates were interpreted as invalid. Both test devicescame from same lot. What would be the next best course of action for the clinical laboratoryscientist?

A barbiturate is a group of drugs that are central nervous system depressants. They are known as…

Answered: 1. A negative result in the test device…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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1. Aside from the compound Morphine, the Morphine test device can also detect the presence of other Morphine-related compounds in the urine specimen. Enumerate at least 5 examples of compounds detected by the Morphine test device in urine. 2. Give examples of dietary intake which could cause a false-positive result in the Morphine test device for urine specimen.
112. A 70 year old male developed difficulty in ability to form urinary stream and urgency. On per-rectal examination, prostate was found to be enlarged. Serum prostate specific antigen was within normal limits. The person is also a known hypertensive for which he is not taking any drug. The surgeon prescribed him a drug A which can quickly relieve his urinary problems as well as control his blood pressure. Effect of this drug on blood pressure of a dog in experimental set up is shown below. Drug A is likely to be.
5. The results of a urinalysis indicate the presence of the substances listed below. Complete the table below with information about what the presence of each might indicate. In other words, the presence of each of these substances in the urine could indicate what? Test/Result Glucose States) Ketones Nitrites Protein Red blood cells White blood cells (leukocyte esterase) 4 F4 R 65 T 6 F6 Y & 7 Interpretation F7 U * 8 F8 DD F9 Focus 0
1. The main goal of treatment for acute glomerulonephritis is to: a. encourage activity. b. encourage high protein intake. c. maintain fluid balance. d. teach intermittent urinary catheterization. 2. The most common, preventable complication of abdominal surgery is: a. atelectasis. b. fluid and electrolyte imbalance. c. thrombophlebitis. d. urinary retention. Only right answer needed
2. Normal blood flow in the renal artery is 500 mL/min. Renal arterial pressure is 100 mmHg and renal venous pressure is 10 mmHg. Calculate the vascular resistance of the renal vasculature. 500 5.55 = R (180-(8) BF = Pe D BF il R =
1. Bicarbonate is the major buffer in extracellular fluid. True False 2. Ammonia is the major buffer in urine. True False
6
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The choices are: 1. donate OR accept 2. hydronium OR hydroxide
1. Describe the properties of the element tungsten. 2. List two reasons why it is a good material for x-ray tube targets and at least one reason why it is used for x-ray tube filaments. 3. Name the three components of the x-ray tube that contribute to the inherent filtration. 4. If a patient has a body part that has a very thick portion and a very thin portion, which aspect of the x-ray tube should be placed over the thinnest area
7. A nurse is reviewing the laboratory results of an adolescent who has chronic glomerulonephritis. Which of the following findings should the nurse expect? 1. Serum potassium 3.8 mEg/L 2. Serum phosphorus 4.0 mg/dL 3. BUN 50 mg/dL 4. Absence of proteinuria 8. A nurse is preparing to administer methylergonovine (methergine) IM to a client who is experiencing a postpartum hemorrhage. The nurse should question the order if the patient has which of the following conditions? 1. Rh negative () blood type 2. Postpartum infection 3. Hypertension 4. Gestational Diabetes Mellitus 9. A nurse is assessing a toddler who has heart failure. Which of the following findings should the nurse expect? 1. Tachycardia 2. Bradycardia 3. Increased urine output 4. Increased feeding 10. The nurse is caring for a female preschool-age patient with a urinary tract infection. What measures should the nurse teach the mother to prevent Future infections? 1. Teach the child to wipe the perineum front to back after…
A urinalysis is a test that examines physical, chemical and microscopic aspects of urine. Examining urinary fluid can reveal much about the functioning of the body, as changes from the normal characteristics or appearance may reflect specific diseases. Currently, commercially-available chemical reagent sticks can be used to detect substances in urine. Of the following, which are substances that reagent sticks can test for? a. Substances produced by the body, and naturally found in urine. b. Substances produced by the body, but not usually present in urine. c. Substances not normally found in the body. d. a. and c. only e. a., b., and c.

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