Hemostasis & Blood Product Administration - QUIZ

Question 1

Which of the following statements about blood is true?

a) Blood is approximately 92% water.
b) Blood is slightly more acidic than water.
c) Blood is slightly more viscous than water.
d) Blood is slightly saltier than sea water.

Answer 1

c) Blood is slightly more viscous than water.

Question 2

The buffy coat is the portion of a blood sample that is made up of its proteins.

True or False?

Answer 2

False

Question 3

A patient has been suffering for 2 months with a chronic, watery diarrhea. A blood test is likely to reveal which of the following?

a) Anemia
b) Hematocrit <30
c) Polycythemia
d) Hypoxemia

Answer 3

c) Polycythemia

Question 4

What is the first step in hemostasis?

a) Vascular spasm
b) Conversion of fibrinogen to fibrin
c) Activation of the intrinsic pathway
d) Activation of the common pathway

Answer 4

a) Vascular spasm

Question 5

Prothrombin is converted to thrombin during the \_\_\_\_\_\_\_?
a) Intrinsic pathway
b Extrinsic pathway
c) Common pathway
d) Formation of the platelet plug

Answer 5

c) Common pathway

Question 6

A patient started receiving their first unit of blood at 1000. It is now 1010 and the patient is reporting itching, chills, and a headache. In addition, the patient’s temperature is now 99.8’F from 98’F. Your next action is:

a) Stop the transfusion
b) Notify the TMP
c) Decrease the infusion rate
d) Administer diphenhydramine

Answer 6

a) Stop the transfusion

Question 7

You’ve started the first unit of packed red blood cells on a non-urgent patient. You stay with the patient during the first 15 minutes and:

a) Run the blood at 100 mL/min and then increase the rate after 15 minutes, if tolerated by the patient.
b) Run the blood at 20 mL/min and then increase the rate after 15 minutes, if tolerated by the patient.
c) Run the blood at 200 mL/min and then decrease the rate after 15 minutes, if tolerated by the patient.
d) Run the blood at 50 mL/h and then increase the rate after 15 minutes, if tolerated by the patient.

Answer 7

d) Run the blood at 50 mL/h and then increase the rate after 15 minutes, if tolerated by the patient.

Question 8

A patient is ordered a PT/INR blood test. This blood test assesses which of the following?

a) Extrinsic and common pathways of coagulation.
b) Intrinsic and common pathways of coagulation.
c) Clotting factors XII, XI, IX, VIII.
d) Only clotting factor II (prothrombin).

Answer 8

a) Extrinsic and common pathways of coagulation.

Question 9

What is the approximate normal (non-therapeutic) range for an aPTT result?

a) 1-3 seconds
b) 30-40 seconds
c) 65-85 seconds
d) None of the choices

Answer 9

b) 30-40 seconds

Question 10

A patient is receiving continuous IV Heparin. What is the therapeutic aPTT range?

a) 0.5-1 times normal
b) 1-3 times normal
c) 1.5-2.5 times normal
d) 2-3 times normal

Answer 10

c) 1.5-2.5 times normal

Question 11

Which of the following is most correct regarding blood transfusion in a pregnant patient with B- blood type?

a) The baby should receive RhoGAM when it’s born.
b) The patient should receive RhoGAM after the birth of the baby.
c) The patient should receive RhoGAM prior to the birth of the baby.
d) RhoGAM is unnecessary in pregnant patients that are Rh-

Answer 11

c) The patient should receive RhoGAM prior to the birth of the baby.

Question 12

A 67-year-old female presents to the ED with sepsis. Which of the following lab test results indicate that she may also be in DIC?

a) ↑ Pt, ↑ aPTT, ↓ platelets, ↓ fibrinogen
b) ↑ PT, ↑ aPTT, ↑ platelets, ↑ fibrinogen
c) ↓ PT, ↓ aPTT, ↓ platelets, ↓ fibrinogen
d) ↓ PT, ↓ aPTT, ↑ platelets, ↓ fibrinogen

Answer 12

a) ↑ Pt, ↑ aPTT, ↓ platelets, ↓ fibrinogen

Question 13

DIC is a contraindication to the administration of TXA.

True or False?

Answer 13

True