Author Question: MRIs contain extremely strong magnets and their magnetic strength can be measured in units of a) ... (Read 116 times)

Zoey63294

  • Hero Member
  • *****
  • Posts: 539
MRIs contain extremely strong magnets and their magnetic strength can be measured in units of
 
  a) Megapascals
  b) Tesla
  c) Watts
  d) Farads

Question 2

What the magnetic resonance imaging machine actually measures is the relaxation time. Relaxation time is
 
  a) what occurs when brain waves are relatively slow at 4 to 8 Hz
  b) the interval that follows the pulse, which is the time taken by the atoms to return to their normal and random state
  c) a term for the method for studying tissues using magnetic fields and radio receivers
  d) the amount of time that it takes an individual to become relaxed enough that the atoms in their body polarize



beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

ANSWER: B

Answer to Question 2

ANSWER: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

For a complete list of videos, visit our video library