Review Questions
1
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The nurse is reviewing the procedure for collecting a urine sample from a Foley with a nursing student. What statement by the nursing student demonstrates accurate understanding of the procedure?
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“Since the patient has a Foley, I can just collect the urine sample from the Foley bag.”
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“Once I connect the syringe to the sampling port, I can pull the urine out of the Foley tubing.”
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“I will clamp the Foley tubing above the sampling port, connect the syringe, and then withdraw the urine.”
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“Once I get all of the urine out of the Foley tubing, I will clamp the tubing and then aspirate the urine from the bladder.”
2
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The nurse is educating the patient on how to collect a clean-catch urine sample. What instruction should the nurse provide to the patient?
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Urinate into the collection container first, and then you can finish urinating in the toilet.
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Use the urine measuring container in the restroom to collect the sample, and then pour it into the collection container.
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Start urinating, stop briefly, and then continue urinating into the collection container.
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Use an antiseptic wipe to clean the genital area from back to front before collecting the sample.
3
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How much urine is typically needed to perform urine testing?
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15 to 30 mL
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30 to 60 mL
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60 to 90 mL
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100 to 120 mL
4
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The nurse is reviewing the urine results for a patient. What finding would be considered abnormal?
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pH = 7.7
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specific gravity = 1.025
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protein = 115 mg/day
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squamous cells = 29 cells/high-powered field
5
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The nurse is collecting a patient’s urine for a twenty-four-hour urine collection. What should the nurse do to ensure the validity and accuracy of the results?
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keep the urine at room temperature
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collect the urine until the sample container is full
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include the first morning void at the start of the twenty-four hours
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collect the urine in a urinal, and then pour it into the twenty-four-hour collection container
6
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What is the primary purpose of collecting a stool specimen for analysis?
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to assess lung function
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to evaluate cardiovascular health
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to understand gastrointestinal health
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to determine kidney function
7
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What is the primary diagnostic purpose of a FOBT?
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to detect infections in the gastrointestinal tract
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to assess carbohydrate malabsorption
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to detect small amounts of blood in the stool
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to measure fat content in the stool
8
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Why is it important to consider the patient’s clinical history and influencing factors when interpreting stool test results?
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It helps determine the patient’s age.
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It can reveal the patient’s blood type.
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It provides context for accurate interpretation.
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It helps identify the patient’s vaccination history.
9
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In the documentation of stool collection, why is it important to include the patient’s name, date of birth, collection date, and time of collection?
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to identify the patient’s blood type
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to ensure proper sample storage
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to track the sample and interpret results accurately
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to determine the patient’s age
10
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A patient with a history of IBD presents with a change in bowel habits, bloody diarrhea, and abdominal pain. The stool sample reveals the visual presence of blood. What should be the nurse’s initial action?
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instruct the patient to consume a high-fiber diet
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notify the healthcare provider immediately
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administer an antiparasitic medication
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suggest over-the-counter antacids
11
.
While collecting a sputum sample, the nurse notes the color of the sputum is yellow. What does this finding most likely indicate is going on with the patient?
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bacterial infection
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new blood
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old blood
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virus
12
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The nurse is precepting a nursing student who is preparing to perform a sputum collection. What statement by the nursing student would warrant further education?
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“An induced sputum collection technique can be used if the patient has difficulty producing sputum.”
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“A nasotracheal suction collection technique is ideal when samples are needed from the upper respiratory tract.”
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“A sputum trap can be attached to the patient’s ventilator to collect a sputum sample.”
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“A spontaneous sputum collection technique allows the patient to cough up sputum and spit it into a sterile container.”
13
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The nurse is reviewing the results of a sputum sample that was collected earlier during the shift. What is not a cellular component that could be discovered using microscopic examination of the sputum?
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white blood cells
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red blood cells
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squamous epithelial cells
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parasites
14
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A patient brings a sputum sample collected at home into the clinic for testing. What statement made by the patient would warrant further exploration?
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“I tried to cough something up last night. It didn’t work, so I followed your tip of trying to collect the sample in the morning.”
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“I made sure to wash my hands before I opened the cup. I was careful the lid did not touch any surface in my house.”
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“I noticed the sputum looked really thick. It is really sticky and stuck to my finger.”
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“I had some saliva in my mouth when I coughed up the sputum, but I spit it out before spitting the sputum in the cup.”
15
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When collecting a spontaneous sputum sample, what essential step should be taken to minimize contamination and ensure the accuracy of test results?
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Instruct the patient to rinse their mouth with water just before collection.
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The nurse dons gloves, mask, and eyewear prior to collecting the sample.
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Collect the sputum in an open container to avoid trapping any oral bacteria.
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Label the collection container with the patient’s identification information.
16
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The nurse is preparing to collect a blood sample. What is the primary reason for using a tourniquet during venipuncture for blood collection?
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to increase patient comfort
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to make the vein more visible and accessible
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to reduce the risk of hematoma formation
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to prevent the formation of blood clots in the tube
17
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The nurse is assessing a patient’s veins to select a site for a blood collection. What factor is most crucial when choosing an appropriate site for venipuncture during blood collection?
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the patient’s dominant hand
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the site closest to the heart
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the condition and accessibility of the vein
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the convenience for the healthcare provider
18
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The nurse is reviewing the results of a blood sample with a newly graduated nurse. What statement made by the newly graduated nurse would warrant further education?
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“Reference ranges provide a general guideline as to what the normal findings should be.”
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“Normal findings can depend on age, sex, and individual health factors.”
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“Elevated results are concerning and indicate something is wrong.”
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“Therapeutic ranges determine if certain conditions are well managed.”
19
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The nurse is collecting a venous blood sample. Upon puncturing the vein, what is the nurse’s next action?
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release the tourniquet
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attach the vacutainer tube
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attach the vacutainer
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retract the needle