QUIZ QUESTIONS

1. Which cells carry oxygen to the body tissue?
a. red cells
b. white cells
c. platelets
d. plasma

2. Which cells that protects your body from invasion by bacteria or virus?
a. red cells
b. platelets
c. plasma
d. white cells

3. Which cells that help your blood clot?
a. red cells
b. platelets
c. white cells
d. plasma

4. What is the minimum number of blood units that we require every day in Singapore?
a. 100 units
b. 200 units
c. 300 units
e. 500 units

5. What is the maximum number of units of blood you can donate in one year?
a. 10 units
b. 6 units
c. 4 units
d. 2 units

6. Which component made from whole blood has the shortest shelf life?
a. fresh frozen plasma
b. red cells
c. platelets
d. albumin

7. Currently (year 2001), what is the ratio of male to female blood donors in Singapore?
a. 5:5
b. 6:4
c. 7:3
d. 4:6

8. Which of the infectious diseases are not routinely screened in the unit of blood collected ?
a. Hepatitis B and C
b. HIV or AIDS
c. Syphilis
d. Measles

9. Which of the following is not true about blood donation?
a. You should drink extra fluids for 2 days after your blood donation.
b. You should eat more after your blood donation to replenish your blood.
c. You are able to continue with your normal activities after blood donation
d. You should not be involved in strenuous exercises for the first 24 hours.

10. Which of the following is true about blood donation?
a. Blood donation only takes less than one hour of your time.
b. You can catch diseases from donating blood.
c. Blood donation is not necessary because artificial blood is widely available
d. Blood donation makes you put on weight.

ANSWER

1. A

2. D

3. B

4. B. The National Blood Centre needs 200 blood donations a day to meet the blood requirements of all the Singapore hospitals.

5. C. The recommended interval between each blood donation is 3 months so that the body's iron store can be replenished. The interval between each plasma or platelet donation is only 6 weeks as the body's iron store is not affected during such donations

6. C. Platelet has the shortest shelf-life of 5 days. The shelf-life for red cells is 35 days and the shelf-life of fresh frozen plasma is 1 year. Therefore we need a constant supply of platelets.

7. C. The female population contributes about 30% of our national blood supply. In general, females are smaller in size and have a lower haemoglobin level. The female donor numbers have increased over the last few years due to active publicity and recruitment. Hopefully, there will be equal number of female donors to male donors in the not too distant future.

8. D. All blood units in Singapore are tested for Hepatitis B and C, HIV or AIDS and Syphilis.

9. B. You do not need to eat excessively after blood donation. Eat your normal amount of food and take the iron supplements given to you by the Blood Donation Centre. This should be adequate for replacement of your blood cells.

10. Blood donation takes less than one hour. The 5 steps in blood donation are : registration, medical interview, blood test, donation, rest and refreshment can be completed in about 45 minutes.