This topic contains a solution. Click here to go to the answer

Author Question: A urine sample is diluted 1:4 before testing. Testing indicates that the concentration of protein ... (Read 56 times)

nevelica

  • Hero Member
  • *****
  • Posts: 563
A urine sample is diluted 1:4 before testing. Testing indicates that the concentration of protein present is 10 g. What is the true concentration of protein in the urine?
 
  A) 2.5 g
  B) 10 g
  C) 20 g
  D) 40 g

Question 2

Consider the following expression. 9 - (-3) Which of the following expressions is another way of writing this?
 
  A) 3 + 9
  B) 3 - 9
  C) 9 + 3
  D) 9 - 3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janeli1

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

D

Answer to Question 2

C





 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

For a complete list of videos, visit our video library