« previous next »

Author Question: Which of the following is an expected finding in DIC? a. Thrombocytosis b. Schistocytes on the ... (Read 104 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
on: Jun 25, 2018
Which of the following is an expected finding in DIC?
 
  a. Thrombocytosis
  b. Schistocytes on the blood film
  c. Normal hemoglobin and hematocrit
  d. Macrocytic red cells

Question 2

Select the next best test to run given the following PTT results on a patient's plasma:
 
  Initial PTT: 75 seconds
   Immediate 1:1 mix with normal plasma: 38 seconds
   Incubated 1:1 mix with normal plasma: 36 seconds
 
  a. Dilute Russell's viper venom time
  b. Factor assays
  c. Factor V Leiden
  d. Bethesda titer


dyrone

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: B
Schistocytes are seen in about 50 of DIC cases. Thrombocytopenia is expected, along with anemia because red cells are being destroyed in circulation. Red cells are not macrocytic.

Answer to Question 2

ANS: B
Factor assays should be performed on this plasma to determine the factor deficiency (or deficiencies) present. The PTT corrects on a 1:1 mix. If this were the lupus anticoagulant, then the prolonged PTT should remain prolonged on the 1:1 mix; thus no reason exists to perform the dilute Russell's viper venom time to confirm the presence of the lupus anticoagulant. If it were a factor VIII inhibitor, which can fully correct on the immediate 1:1 mix, then it would prolong after incubation of the 1:1 mix. Then it would be appropriate to perform a Bethesda titer. Factor V Leiden does not result in a prolonged PTT.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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.

For centuries, widows in the Mediterranean countries, such as thise widow in Greece, were expected ... For centuries, widows in the Mediterranean countries, such as thise widow in Greece, were expected ...
Expected Distribution of IQ Scores Expected Distribution of IQ Scores
Finding the length given total distance and distance longer than other point Finding the length given total distance and distance longer than other point
Finding the angle from a ratio Finding the angle from a ratio
Finding the derivative using the power rule - Solutions Finding the derivative using the power rule - Solutions
Finding derivatives of Exponential functions - pt 2 Finding derivatives of Exponential functions - pt 2
Video: Lipid catabolism ( ketogenesis and oxidation of glycerol) and Lipid anabolism (lipogenesis)

For a complete list of videos, visit our video library