Radtech bootcamp -wr

Which statement accurately differentiates viruses from bacteria?

Viruses are smaller than bacteria and require a hot cell for replication

What is the primary function of the adaptive immune system?

Target and neutralize specific pathogens with antibodies

Antibiotics contribute to breaking the chain of infection by

Targeting bacterial pathogens

What practice is essential in breaking the chain at the “port of exit” and “mode of transmission”?

Proper hygiene

What is the first step in proper hand washing technique?

Wet hands under running water

What is the purpose of moving from clean areas to dirty areas during cleaning in healthcare facilities?

Prevent bringing contaminants into clean areas

What is the first step in any infection control protocol?

cleaning

What is the significance of the sterile fie,d being colored blue or green?

These colors increase the visibility of blood

Which of the following best describes radiation exposure

Quantity of radiation directed at the patient

The radiological unit called the gray (gy) is equal to

Joules/kilogram

Linear energy transfer (LET) is defined as the

Rate at which radiation deposits energy in matter

A nuclear medicine technologist received an absorbed dose of 1.8 milligrams (mgY). Assume that 1.0 mgY came from beta radiation (Wr =1), and the remainder came fro alpha particles (Wr = 20). What is their equivalent dose?

1.0 × 1 = 1

0.8 × 20 =16

16 + 1 =17

so 17

Positive beam limitation is a safety feature that ensures the size of the xray field is no larger than the

detector dimensions