AUTHORIZED USER – Fixed Gauge Lesson 2 Quiz B

What are the three parts of an atom?

The chemical properties of an atom is determined by:

Which of the following is non-ionization?

A stable atom is?

1. “Radiation” is defined as an unstable atom that tries to become stable by giving off excess energy in the form of particles or electromagnetic waves.

The four types of radiation are:

Which of the following statements is most true about the characteristics of gamma rays:

Radioactive half-life is:

The two types of radiation dose relative to the amount of time over which it is received are:

If an individual enters and remains in a radiation field of 0.5 mRem/hr, what will his/her dose be after 8 hours?

Which type of cells are the most sensitive to radiation?

Acute radiation exposure will produce slight blood changes at a dose of approximately?

1. The maximum annual radiation dose allowed for members of the public, visitors, and to non-occupational workers is?

What are the three main ALARA methods workers should use to reduce radiation exposure?

Those responsible for maintaining radiation safety in the workplace are?

What radiological unit is used for measuring absorbed dose?

What radiological unit is used for measuring exposure?

What radiological unit is used to measure Equivalent or Effective doses?

Where does background radiation come from? Identify the most correct response.

Radon is calculated to be the 2nd leading cause of lung cancer.

What is the whole body dose limit for occupational workers set by 10 CFR 20.1201?

What is the dose limit for a declared pregnant worker during the gestation period?

What is the dose limit for visitors and members of the public? Check all correct responses.

Who should be monitored?

The Inverse Square Law states that radiation intensity does what with increases in distance?

What does the acronym ALARA mean?

When should you report a missing dosimeter?

The key advantage of a direct reading dosimeter is:

Where should dosimeters be worn on the body?

How many rems of exposure will cause immediate incapacity and death within one week?

Is acute exposure:

Are X-rays ionizing or non-ionizing radiation?

Which type of atom emits radiation?

The structure of the helium atom has:

Which one of the following are not part of ALARA?

Less radiation exposure time results in:

How many radiation survey meters are you required to have onsite at all times?

Which material offer greater shielding protection to gamma/x-rays?

1. When the number of protons in an atom’s nucleus changes, the element changes.

1. Acute radiation exposure will result in the death of approximately 50% of the individuals exposed at what dose?