Author Question: Which of the following is the soft metallic element used as a radiopaque X-ray dye? A) barium B) ... (Read 88 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?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

For a complete list of videos, visit our video library