[For Seniors] Trivia Quiz & Fun Facts on Blood Types: A quiz packed with what you want to know, like which illnesses you’re more prone to.
We’ve put together a collection of trivia quizzes and fun facts about blood types.
From questions like “Which blood type gets bitten by mosquitoes more easily?” to “What’s the most common blood type in the world?”, it’s packed with tidbits that will make you go “Wow!” You can enjoyably learn, in quiz format, about the little-known traits of each blood type and the diseases they’re more prone to—an everyday topic with surprising depth.
How many can you answer? It’s also perfect as a recreational activity for seniors, so gather everyone and give it a try together!
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[For Seniors] Blood Type Trivia Quiz & Fun Facts. A quiz packed with things you want to know, like diseases you’re more prone to (11–20)
Around what age can a baby’s blood type be determined accurately?
- Right after birth
- Around 1 month after birth
- Around age 1
See the answer
Around age 1
It is said that newborn babies often don’t yield accurate test results because the antibodies they receive from their mothers remain in their blood. In addition, the baby’s own reactions that determine blood type are still weak, so there is a possibility of being identified as a blood type that differs from the actual one. Generally, it is recommended to test after the age of one, when antibodies are properly formed and the values become more stable.
Which blood type is the most common in the world?
- Type A
- Type B
- Blood type O
See the answer
Blood type O
Type O is the most common blood type in the world and is considered the most prevalent in many countries. In particular, Type O is the majority in Latin America and Africa.
Which blood type is the most common among Japanese people?
- Type A
- Type B
- Blood type O
See the answer
Type A
Among Japanese people, the most common blood type is Type A, which is said to account for about 40% of the total population in Japan. People with Type A are often considered serious and meticulous. Incidentally, the second most common is Type O, followed by Type B and then Type AB.
All western lowland gorillas share the same blood type. What is that blood type?
- Type A
- Type B
- Blood type O
See the answer
Type B
All western lowland gorillas have blood type B. This is genetically determined, and it’s interesting that, unlike humans, they don’t have diverse blood types. By the way, there are currently four types of gorillas worldwide, and it’s said that other gorilla types can have blood types besides B.
How many types of blood do dogs have?
- three types
- 8 types
- 13 types
See the answer
13 types
Dogs generally have blood types known as DEA (Dog Erythrocyte Antigen). There are said to be at least 13 internationally recognized blood types currently known, and research is still ongoing.
Which of the following is the reason why certain blood types are more susceptible to specific diseases?
- Immune system changes caused by genetic differences
- Differences in blood pressure and heart rate
- Differences in red blood cell shapes
See the answer
Immune system changes caused by genetic differences
Genes related to blood type are said to influence immune function, leading to differences in resistance to certain infections and diseases. In particular, they can interact with gut bacteria and affect disease risk.
[For Seniors] Trivia Quiz & Fun Facts on Blood Types. A quiz packed with what you want to know, like diseases you’re more prone to (21–30)
Which blood type is more likely to catch a cold?
- Type A
- Type B
- Blood type O
See the answer
Type A
Immunologically, it’s said that blood type O has the strongest immunity, followed by B, A, and AB. People with type A are more prone to stress and their immunity tends to decline more easily, so they are considered to have a higher risk of catching colds. However, there are large individual differences, so this doesn’t apply to all people with type A.