1 - Basics Of Radiography

Question 1

Place the following in order of their radiographic densities from most black to most white: metal, water, fat, air, bone

Answer 1

Air - most black
Fat - dark gray
Water - gray
Bone - white
Metal - most white

Question 2

What does CATBITES stand for?

Answer 2

Congenital
Arthritis
Trauma
Blood
Infection
Tumors
Endocrine, nutritional, metabolic
Soft tissue

Question 3

What is a common search pattern?

Answer 3

ABCS
Alignment
Bone
Cartilage
Soft tissue

Question 4

Congenital anomalies vs variants of osseous skeleton

Answer 4

Variant: something that differs in some characteristic from the class which it belongs

Anomaly: marked deviation from normal standard especially as a result of congenital defects

Question 5

What are the 5 steps in evaluation?

Answer 5

1. Identify the study
2. Identify the informational markers
3. Note collimation, shielding and artifacts
4. Note the technical quality of the film (too light/too dark)
5. Evaluate anatomy using ABCS search pattern

Question 6

Rule #1 says that congenital anomalies in the spine occur more commonly at _______

Answer 6

Transitional areas

E.g. occipitalization, cervical ribs, lumbar ribs, sacralization/lumbarlization

Question 7

Rule #2 skeletal anomalies may be isolated entities but are frequently …

Answer 7

Associated with other anomalies. Look for others in the spine.

Question 8

Rule #3 when you have multiple anomalies of the skeleton, look for other

Answer 8

Anomalies on the radiograph such as organs and soft tissue and question patient about possible associated sx

E.g. VATER syndrome