المحاضرة السابعة

Question 1

The most sensitive tissues opposite to radiation

Answer 1

Lymphocytes (white blood cells) and hematopoietic cells
that have divided (proliferated)

Question 2

The less sensitive tissues opposite to radiation

Answer 2

Reproductive and gastrointestinal cells are not regenerating
as quickly and are less sensitive.

Question 3

The resistant tissues opposite to radiation

Answer 3

Nerve tissues and muscle tissues, which no longer undergo
cell division at the adult stage, are known to be resistant to
radiation.

Question 4

the main factors for
Radiation Protection.

Answer 4

Time, Distance, and Shielding

Question 5

List some of the uses of X-rays

Answer 5

1. Bone fractures and breaks
2. Tooth problems, such as loose teeth and dental abscesses
3. Scoliosis (abnormal curvature of the spine)
4. Non-cancerous and cancerous bone tumors
5. Lung problems, such as pneumonia and lung cancer
6. Dysphagia (swallowing problems)
7. Heart problems, such as heart failure
8. Breast cancer.

Question 6

Types of Dental X-Rays

Answer 6

1-Bitewing X-Ray
2-Periapical X-Ray
3-Panoramic X-Ray
4-Occlusal X-Ray
5-Cephalometric Projection
6-Cone Beam X-ray