« previous next »

Author Question: Primary barriers must overlap _____ with the secondary barrier. 1 inch 1 1/2 inch 1/2 inch 2 ... (Read 132 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
on: Jul 17, 2018
Primary barriers must overlap _____ with the secondary barrier.
 
 1 inch
  1 1/2 inch
  1/2 inch
  2 inches

Question 2

The recommended lead equivalency for a thyroid shield is:
 
 0.50 mm
  0.25 mm
  0.35 mm
  0.75 mm


anyusername12131

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 17, 2018
Answer to Question 1

1/2 inch

Rationale: Primary barriers must be constructed with 1/16 lead. Secondary barriers must be constructed with 1/32 lead. Primary barriers must overlap by 1/2.

Answer to Question 2

0.50 mm

Rationale: Thyroid shields should be 0.5 mm lead equivalent.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Primary production is constrained by the most limiting factor. Primary production is constrained by the most limiting factor.
Products of the Root's Primary Meristems Products of the Root's Primary Meristems
Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee. Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee.
The technician is using a feeler gauge that is onethousandth of an inch thinner and another ... The technician is using a feeler gauge that is onethousandth of an inch thinner and another ...
General location of the primary auditory cortex and areas of secondary auditory cortex. Most ... General location of the primary auditory cortex and areas of secondary auditory cortex. Most ...
Primary material used for HEADERS Primary material used for HEADERS
Video: Griffith's experiments

For a complete list of videos, visit our video library