Blood Banking Questions
1. The interval between blood donation is
a. 6 weeks
b. 8 weeks
c. 10 weeks
d. 3 months
2. The oral temperature of a donor must not exceed
a. 37C
b. 37.5C
c. 98.6F
d. 98F
3. The minimum acceptable hemoglobin for male donors is
a. 12.5 g/dl
b. 13.0 g/dl
c. 13.5 g/dl
d. 4.0 g/dl
4. What is the lowest acceptable hematocrit for female donors
a. 36%
b. 38%
c. 41%
d. 43%
5. Prospective donors who have malaria should be
a. Permanently rejected
b. Deferred for three years after cessation of treatment
c. Deferred for two years after cessation of treatment
d. Deferred for six months
6. Symnptom-free donors who have been immunized with oral polio, measles (rubeola) or mumps
vaccines are acceptable after a period of
a. 24 hours
b. 2 days
c. 2 weeks
d. 24 days
7. An autologous blood donor must
a. Be over 21 years old
b. Be treated for bacterecimia
c. Have at least an 11g/dl hemoglobin
d. Be on oral iron therapy
,8. Which biochemical change does not occur in stored blood?
a. Plasma pH decreases
b. Plasma K decreases
c. Plasma NH3 increases
d. Inorganic phosphate increases
9. What is the acceptable temperature range for blood bank refrigerator?
a. 1-6 C
b. 1-10C
c. 6-10C
d. 32-37C
10. If blood is to be transoported, the blood temperature must be kept between
a. 2-8C
b. 1-10C
c. 1-6C
d. 4-6C
11. Which blood group system was discovered first?
a. ABO
b. MNS
c. P
d. Rh
12. An amorph is a gene
a. Which is expressed in the heterozygous state
b. Which is expressed only in the homozygous state
c. With no observable effect
d. With a variable effect
13. Production of more antigen in the homozygous state than in the heterozygous state is referred
to as
a. Dosage effect
b. Antigenic determinant
c. Independent segregation
d. Prozone
14. Antibodies
a. All react at 37C
b. All react at 4C
c. Never react at 20C
d. That react at 37C are considered the most dangerous clinically
15. Naturally occurring antibodies are found regularly in which system
, a. ABO
b. Rh
c. Kell
d. Kidd
16. Select the incorrect statement below. Naturally occurring antibodies
a. React best in saline
b. React best at room temperature or 4C
c. Do not usually cross the placenta
d. Are usually IgG
17. Immune antibodies may be produced by
a. Intermuscular injection of blood
b. pregnancy
c. repeated blood transfusions
d. all of the above
18. the dosage effect means
a. greater reactivity when more serum is used
b. greater reactivity when a greater number of cells are used
c. stronger reactions with homozygous cells than heterozygous cells
d. reaction with heterozygous cells only
19. Anti-A is a seed extract from
a. Ulex europaeus
b. Vicla graminea
c. Arachis hypogea
d. Dolichos biflorus
20. The frequency of a group A individuals in the united states is
a. 4%
b. 9%
c. 41%
d. 46%
21. Group B individuals
a. Have A antigens on their red cells
b. Have anti-A in their sera
c. Have neither anti-A nor anti-B in their sera
d. Have –B in their sera
22. Which of the following blood groups will not be agglutinated by anti-A,B typing serum a.
A
b. B
c. AB
1. The interval between blood donation is
a. 6 weeks
b. 8 weeks
c. 10 weeks
d. 3 months
2. The oral temperature of a donor must not exceed
a. 37C
b. 37.5C
c. 98.6F
d. 98F
3. The minimum acceptable hemoglobin for male donors is
a. 12.5 g/dl
b. 13.0 g/dl
c. 13.5 g/dl
d. 4.0 g/dl
4. What is the lowest acceptable hematocrit for female donors
a. 36%
b. 38%
c. 41%
d. 43%
5. Prospective donors who have malaria should be
a. Permanently rejected
b. Deferred for three years after cessation of treatment
c. Deferred for two years after cessation of treatment
d. Deferred for six months
6. Symnptom-free donors who have been immunized with oral polio, measles (rubeola) or mumps
vaccines are acceptable after a period of
a. 24 hours
b. 2 days
c. 2 weeks
d. 24 days
7. An autologous blood donor must
a. Be over 21 years old
b. Be treated for bacterecimia
c. Have at least an 11g/dl hemoglobin
d. Be on oral iron therapy
,8. Which biochemical change does not occur in stored blood?
a. Plasma pH decreases
b. Plasma K decreases
c. Plasma NH3 increases
d. Inorganic phosphate increases
9. What is the acceptable temperature range for blood bank refrigerator?
a. 1-6 C
b. 1-10C
c. 6-10C
d. 32-37C
10. If blood is to be transoported, the blood temperature must be kept between
a. 2-8C
b. 1-10C
c. 1-6C
d. 4-6C
11. Which blood group system was discovered first?
a. ABO
b. MNS
c. P
d. Rh
12. An amorph is a gene
a. Which is expressed in the heterozygous state
b. Which is expressed only in the homozygous state
c. With no observable effect
d. With a variable effect
13. Production of more antigen in the homozygous state than in the heterozygous state is referred
to as
a. Dosage effect
b. Antigenic determinant
c. Independent segregation
d. Prozone
14. Antibodies
a. All react at 37C
b. All react at 4C
c. Never react at 20C
d. That react at 37C are considered the most dangerous clinically
15. Naturally occurring antibodies are found regularly in which system
, a. ABO
b. Rh
c. Kell
d. Kidd
16. Select the incorrect statement below. Naturally occurring antibodies
a. React best in saline
b. React best at room temperature or 4C
c. Do not usually cross the placenta
d. Are usually IgG
17. Immune antibodies may be produced by
a. Intermuscular injection of blood
b. pregnancy
c. repeated blood transfusions
d. all of the above
18. the dosage effect means
a. greater reactivity when more serum is used
b. greater reactivity when a greater number of cells are used
c. stronger reactions with homozygous cells than heterozygous cells
d. reaction with heterozygous cells only
19. Anti-A is a seed extract from
a. Ulex europaeus
b. Vicla graminea
c. Arachis hypogea
d. Dolichos biflorus
20. The frequency of a group A individuals in the united states is
a. 4%
b. 9%
c. 41%
d. 46%
21. Group B individuals
a. Have A antigens on their red cells
b. Have anti-A in their sera
c. Have neither anti-A nor anti-B in their sera
d. Have –B in their sera
22. Which of the following blood groups will not be agglutinated by anti-A,B typing serum a.
A
b. B
c. AB
