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

Author Question: In the four large corner squares of a hemocytometer, 95, 102, 105, and 98 white cells were counted ... (Read 18 times)

nmorano1

  • Hero Member
  • *****
  • Posts: 598
on: Jun 25, 2018
In the four large corner squares of a hemocytometer, 95, 102, 105, and 98 white cells were counted from a 1:20 dilution. Select the correct interpretation for the white blood count calculated from these values.
 
  a. Normal for infant and elevated for an adult
  b. Normal for any patient
  c. Elevated for any patient
  d. Normal for an infant and decreased for an adult

Question 2

Manual cell counting methods in automated hematology laboratories are used for all of the following except:
 
  a. Routine testing
  b. Very low counts
  c. Malfunctioning automated instruments
  d. Counting spinal fluids


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: A
The cell count is (95 + 102 + 105 + 98)  20)/(4 mm2  0.1 mm) = 20.0  103/mL = 20.0  109/L. This count is elevated for an adult but normal for a newborn.

Answer to Question 2

ANS: A
A hematology analyzer does routine testing in an automated hematology laboratory. However, when counts are very low, including spinal fluid cell counts, and if the instrument is malfunctioning, manual cell counting is usually performed.


nmorano1

  • Member
  • Posts: 598
Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

Animal_Goddess

  • Member
  • Posts: 339
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

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?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Hematopoesis (Genesis of blood cells) Hematopoesis (Genesis of blood cells)
Animal cells and the extracellular matrix (ECM) Animal cells and the extracellular matrix (ECM)
The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo
The presence of large areas of methane hydrate The presence of large areas of methane hydrate
In oogenesis, cells enter meiosis as primary oocytes In oogenesis, cells enter meiosis as primary oocytes
Video: Neuron structure and function - sensory neurons, association neurons & motor neurons

For a complete list of videos, visit our video library