Question

Provide a brief description of each diagnostic test listed below, including the full name of the test if applicable.

Provide an example of the structure or function evaluated by the test.

Provide any safety precautions used to protect patients during the testing.

X-Ray

CT Scan

MRI

PET

Ultrasound

Answer 1

X ray:

Structure evaluation:

1. X ray has ability to penetrate the hard substance and tissues.

2. Able to look the broken bone.

3. Can able to study fluid and air filled cavities.

4. To rule out tumor.

5. Identify the problems in body cavities.

CT Scan:

1. CT scan combine x ray with advance scan.

2. CT scan provides clear images than x ray.

3. It also helps to study body cavity, organize and structure.

MRI:

1. Inside the MRI system there is a magnetic energy.

2. It gives clear images than CT scan.

3. It helps to study anatomical structure and function.

4. No ionizing radiation here.

PET:

1. PET provides higher quality images.

2. It helps to assess the organ function.

Ultrasound:

1. Ultrasound helps to judge organ and their functions.

2. It helps to assessment the tissues.

Precautions:

1. Pregnancy is contraindicated in x ray, CT scan , PET and MRI.

2. Before taking contrast study assessment the kidney functions is essential.

3. Remove the ornaments from patient body before procedure.

4. Allergy to the contrast media has to be evaluated.

5. Explain the procedure to the patients.

6. Check the ability of the patient to lie down during procedure.