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HSCI 305 EXAM 2 | 130 QUESTIONS | WITH SOLVED SOLUTIONS GRADED A+
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HSCI 305 EXAM 2 | 130 QUESTIONS | WITH SOLVED SOLUTIONS GRADED A+
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HSCI 305 EXAM 2 | 130QUESTIONS | WITH
SOLVED SOLUTIONS
GRADED A+
HSCI 305
Evatee 9/26/24 HSCI 305
,HSCI 305 EXAM 2 | 130 QUESTIONS | WITH
SOLVED SOLUTIONS GRADED A+
Which of the following, when added to false positive rate equals 1 (100%)?
A. Sensitivity
B. Specificity
C. Positive predictive value
D. Negative predictive rate
E. False negative rate Answer - B. Specificity
Which of the following is defined as the ratio of people with disease to those
with a positive test?
A. Sensitivity
B. Specificity
C. Positive predictive value
D. Negative predictive rate
E. False negative rate Answer - C. Positive predictive value
An ultrasound image reflects:
A. Tissue density
B. Tissue temperature
C. Tissue stiffness
,D. Tissue reflection
E. Tissue sound Answer - A. Tissue density
A limitation of X-rays but not CT is:
A. Superimposition of structures
B. Poor resolution
C. Radiation dose
D. Soft-tissue contrast
E. Examination time Answer - A. Superimposition of structures
In the osteosarcoma x-ray, the tumor is bright when compared to the
surrounding normal tissue. Why?
A. Surrounding normal tissue is fatty
B. Tumor produces ectopic bone
C. Tumor displaced shards of normal bone
D. Increased cellular density
E. Magic! Answer - B. Tumor produces ectopic bone
For MRI, what is the largest source of signal in the body?
A. Fat
B. Water
C. Magnets
D. Metals
E. Proteins Answer - B. Water
, An ultrasound guided biopsy is used because
A. Few (if any) contraindications to ultrasound
B. Real-time dynamic feedback
C. Does not require large special equipment
D. All of the above
E. None of the above Answer - D. All of the above
An X-ray image is a measurement of:
A. Attenuation
B. Transmission
C. Reflection
D. Dose
E. Ionization Answer - A. Attenuation
Which of the tissue or organ would you expect to be brightest on an X-ray/CT?
A. Lung
B. Visceral fat
C. Muscle
D. Blood
E. Bone Answer - E. Bone
What is the main advantage of MRI over CT?
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