Which of the following substances are used to coat the walls of a CT scan room for radiation shielding?
A. Tungsten
B. Glass
C. Lead
D. Iron
Correct answer : C. Lead
Lead is used as radiation shielding in CT scans, X-ray machines etc.
Which of the following substances are used to coat the walls of a CT scan room for radiation shielding?
A. Tungsten
B. Glass
C. Lead
D. Iron
Correct answer : C. Lead
Lead is used as radiation shielding in CT scans, X-ray machines etc.
All are features of autistic disorders except ? A. Stereotypic movements B. Impairment of social interaction C. Visual impairment D. Delay...