This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A laboratory technician is given a blood sample and asked to calculate the concentration of ... (Read 53 times)

mikaylakyoung

  • Hero Member
  • *****
  • Posts: 531
on: Jun 25, 2018
A laboratory technician is given a blood sample and asked to calculate the concentration of dopamine. The first test reveals that the concentration of dopamine falls outside the reliable range for the testing method.
 
  He adds 100 L saline solution to 100 L of the sample and retests the sample. How does the concentration of dopamine in the diluted sample compare to the concentration of dopamine in the original sample?
  A) The concentration in the diluted sample is one-half that of the original sample.
  B) The concentration in the diluted sample is one hundred times that of the original sample.
  C) The concentration in the diluted sample is one-tenth that of the original sample.
  D) The concentration in the diluted sample is twice that of the original sample.

Question 2

How can the effects of random error be minimized?
 
  A) By averaging a large number of results
  B) By having all tests performed by the same technician
  C) By multiplying the results by a constant standard
  D) By performing control tests in a fixed environment


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sassygurl126

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 25, 2018
Answer to Question 1

A

Answer to Question 2

A


mikaylakyoung

  • Member
  • Posts: 531
Reply 2 on: Jun 25, 2018
YES! Correct, THANKS for helping me on my review

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Primary production increases with an increase in total phosphorus concentration. Primary production increases with an increase in total phosphorus concentration.
Sample root cause analysis: Duplicate dose of a narcotic analgesic. Sample root cause analysis: Duplicate dose of a narcotic analgesic.
(A) X-ray technician performs a mammogram. (National Cancer Institute/Creator: Alan Hoofring ... (A) X-ray technician performs a mammogram. (National Cancer Institute/Creator: Alan Hoofring ...
Normal rainfall has a concentration of OH- that is 3.99 × 10-9. The concentration of H3O+ in ... Normal rainfall has a concentration of OH- that is 3.99 × 10-9. The concentration of H3O+ in ...
A sample of reef biodiversity A sample of reef biodiversity
Video: Stages of Mitosis - Prophase, Prometaphase, Metaphase, Anaphase & Telophase

For a complete list of videos, visit our video library