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HCAD 325 Final Exam Questions And Correct Answers
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HCAD 325 Final Exam Questions And Correct AnswersJose is the manager of the laboratory. One of his testing machines seems to be giving
different results on the same sample. To ensure he is reporting accurate results, Jose
runs the sample on a second machine that confirms the first machine's results. What
type of cost of quality would this represent?
a. Prevention
b. Internal failure
c. Appraisal
d. External failure - ANSWER c. Appraisal
Which of the following is NOT a typical theme of successful Six Sigma programs?
a. Top management support
b. Use of quantitative measures
c. Use of Taguchi methods
d. Team-based projects - ANSWER c. Use of Taguchi methods
The term "Six Sigma" represents what goal?
a. Six standard deviations from the median
b. 3.4 defects per million opportunities
c. Six defects per million opportunities
d. Sigma level quality - ANSWER b. 3.4 defects per million opportunities
Lab manager Jose wants to improve quality in his laboratory with a Six Sigma program.
He would like to send his chemistry supervisor, Sandy, to a Six Sigma training program
so that she can manage all Six Sigma projects that will take place in the lab. Sandy will
,be trained as a ______________.
a. master black belt
b. yellow belt
c. green belt
d. black belt - ANSWER d. black belt
What would be the correct project cycle for a Six Sigma project?
a. Analyze, define, measure, improve, control
b. Measure, define, analyze, improve, control
c. Define, measure, analyze, improve, control
d. Define, improve, analyze, control - ANSWER c. Define, measure, analyze, improve,
control
What type of variables are measured during the measure phase of a Six Sigma project?
a. Process duration, process variability, critical to quality
b. Process input, process output, process duration
c. Process input, process output, critical to quality
d. Process error rate, process output, process duration - ANSWER c. Process input,
process output, critical to quality
Which of the following is NOT an analyze phase tool for a Six Sigma project?
a. Regression analysis
b. Gantt chart
c. Pie chart
,d. Bar graph - ANSWER b. Gantt chart
Jose is checking his lab equipment with test control samples that are designed to
produce the same results and are used to standardize the equipment. If he runs 100
samples, he gets two results that are over 3 standard errors of the mean. What are
these results referred to as?
a. 2 sigma quality
b. Special variation
c. Error bars
d. Common variation - ANSWER b. Special variation
Jose is measuring the time it takes a technician to do a new test. He expects the test to
take no more than 5 minutes and no less than 3 minutes. After observing a number of
tests he calculates the standard deviation of the test as 0.3 minutes. What is the process
capability of the test?
a. 0.0
b. 1.8
c. 1.1
d. 2.0 - ANSWER c. 1.1
Jose has a new test that consists of three steps. He calculates that in each step some of
the sample must be discarded. Step 1 has a discard rate of 2 percent, step 2 has a
discard rate of 5 percent, and step 3 has a discard rate of 1 percent. How much of the
sample is available after step 3?
a. 82.0 percent
b. 75.5 percent
c. 86.5 percent
d. 99.1 percent - ANSWER c. 86.5 percent
What is considered the primary goal of Lean?
, a. Eliminate defects
b. Eliminate waste
c. Improve financial performance
d. Maximize productivity from employees - ANSWER b. Eliminate waste
Tiffany is the day shift supervisor in the imaging department. She has redesigned the
patient intake system so that patients are only asked their name and birthdate once. The
old system asked the patient this information three times. What type of waste did Tiffany
reduce?
a. Waiting
b. Motion
c. Overproduction
d. Overprocessing - ANSWER d. Overprocessing
Tiffany wants to continue to make improvements in the imaging department and plans a
kaizen event. What will she do first?
a. Map and improve the value stream
b. Specify value to the patient
c. Develop a pull system
d. Interview patients and staff ANSWER b. Specify value to the patient
A patient arrives in the MRI scanning suite at 1:00 pm and leaves the suite at 3:30 pm.
The actual MRI exam requires 50 minutes. What is the percent of value-added time?
a. 25 percent
b. 33 percent
c. 50 percent
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