Author Question: Which of the following is the soft metallic element used as a radiopaque X-ray dye? A) barium B) ... (Read 63 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
Which of the following is the soft metallic element used as a radiopaque X-ray dye?
 
  A) barium
  B) gallium
  C) technetium
  D) iodine

Question 2

Food exits the stomach by passing through the:
 
  A) cardiac sphincter
  B) lower esophageal sphincter
  C) pyloric sphincter
  D) hepatic sphincter


katieost

  • Sr. Member
  • ****
  • Posts: 358
Answer to Question 1

A
Explanation: Barium is the soft metallic element used as a radiopaque X-ray dye. Radioisotopes of gallium, technetium, and iodine are examples of substances used in nuclear medicine.

Answer to Question 2

C
Explanation: Food exits the stomach through the pyloric sphincter. Food enters the stomach through the lower esophageal, or cardiac, sphincter. There is not a hepatic sphincter on the stomach.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

For a complete list of videos, visit our video library