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Ferreira TD, Freire AS, Silveira-Lacerda EP, García-Zapata MT
Rev Bras Hematol Hemoter. 2012;34(5):339-44
Appendix 2
Cognitive questionnaire for patients with
hemoglobinopathies after genetic guidance
Cognitive assessment of patients with hemoglobinopathies after genetic
guidance
1) When only one parent is a carrier of the trait, can the child have the disease?
A - ( ) No, because in order to have the disease both parents need to be carriers
of the trait
B - ( ) No, because only one parent with the trait cannot transmit the disease
C - ( ) No, (did not want to explain verbally, but showed a response using the
educational material)
D - ( ) I cannot explain
E - ( ) Yes
Note: Answers A and B: knowledge about the need for alterations in both
parents in order to have the disease. Answer C: patients correctly demonstrated
the transmission of genes, but not verbally. Answers D and E: no knowledge
about genetic transmission
2) When both parents have the trait, can the child have the disease?
A - ( ) Yes, because parents can transmit their altered halves and cause the
disease
B - ( ) Yes, the father and mother transmit their altered hemoglobin at the
same time
C - ( ) Yes (would not explain orally, but showed a response using the course
material)
D - ( ) I cannot explain
E - ( ) No
Note: Answers A and B: knowledge about the need for alterations in both
parents in order to have the disease. Answer C: patients correctly demonstrated
the transmission of genes, but not verbally. Answers D and E: No knowledge
about genetic transmission
3) When neither of the parents has alterations, can the child have the disease?
A - ( ) No, because in order to have the disease, both parents need to be
carriers of the trait or disease
B - ( ) No, because there is no way to transmit anything
C - ( ) No (would not explain verbally, but showed a response using the course
material)
D - ( ) I cannot explain
E - ( ) Yes
Note: Answers A and B: knowledge of the need for alterations in both
parents to have the disease. Answer C: patients correctly demonstrated the
transmission of genes, but not verbally. Answers D and E: No knowledge
about genetic transmission
4) When both parents have the disease, can the child have the disease?
A - ( ) Yes, the parents will transmit altered halves to the child
B - ( ) Yes, the parents have only alterations to transmit
C - ( ) Yes (would not explain verbally, but showed a response using the
course material)
D - ( ) I cannot explain
E - ( ) No
Note: Answers A and B: knowledge about the need for alterations in both
parents to have the disease. Answer C: patients correctly demonstrated the
transmission of genes, but not verbally. Answers D and E: No knowledge
about genetic transmission
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