ACTUAL Questions and CORRECT
Answers
Radiology - CORRECT ANSWER - A branch of medicine concerned with radioactive
substances; including radiographs, tadioactive isotopes, and ionizing radiation
Three specialties that radiation can be classified - CORRECT ANSWER - 1. Diagnostic
imaging
2. Radiation therapy
3. Nuclear medicine
X-rays of fertile women shouldn't be taken until how many days after their last menstrual period
- CORRECT ANSWER - 10 days
Personnel in the X-ray department must wear - CORRECT ANSWER - A dosimeter
Dosimeter - CORRECT ANSWER - A small badge-like device worn above the waist
What does the dosimeter do/contain - CORRECT ANSWER - It contains a strip of film
that measures the amount of X-rays to which a person is exposed
What is denser, bone or skin - CORRECT ANSWER - Bone
What color do bones appear in X-rays - CORRECT ANSWER - White
What can absorb more X-rays, bone or skin - CORRECT ANSWER - Bone
, What color do tissues appear in X-rays - CORRECT ANSWER - Black
Radiopaque - CORRECT ANSWER - X-rays do not easily penetrate a structure
Radiolucent - CORRECT ANSWER - X-rays readily penetrate a structure
Commonly used contrast media (4) - CORRECT ANSWER - 1. Barium sulfate
2. Iodine compounds
3. Air
4. Carbon dioxide
Barium - CORRECT ANSWER - A chalky compound, when mixed with water, can be
swallowed by the patient
Is barium absorbed into the body - CORRECT ANSWER - No
What is barium used for - CORRECT ANSWER - Upper and lower GI series of X-rays
Iodine salts - CORRECT ANSWER - Radiopaque; used for kidney, gallbladder, and
thyroid examinations
Air and carbon dioxide are used to visualize - CORRECT ANSWER - Spinal cord and
joints but have been replaced by magnetic resonance imaging (MRI)
Barium swallow (upper GI series) - CORRECT ANSWER - Study the esophagus,
stomach, duodenum, and small intestine for disease
Patient preparation for a barium swallow - CORRECT ANSWER - Day prior: light
evening meal, NPO after midnight