Reversing Aging and Stem Cell Activation

Reversing Aging and Stem Cell Activation

Assessment

Interactive Video

Biology, Science

9th - 12th Grade

Hard

Created by

Ethan Morris

FREE Resource

The video discusses an experiment by Wanda Ruth Lunsford in the 1950s, where she joined the blood supplies of old and young rats, leading to signs of reversed aging in the older rats. This experiment was recently replicated by major universities, showing that proteins from young blood can reactivate stem cells, potentially reversing aging effects. Current clinical trials are exploring these findings for bone repair and cancer treatment, aiming to improve quality of life in later years.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the main outcome of Wanda Ruth Lunsford's experiment with rats?

The young rat aged rapidly.

The old rat became younger in appearance and health.

Both rats died shortly after the experiment.

The rats developed new diseases.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did modern laboratories discover when they repeated Lunsford's experiment?

Stem cells in older organisms can be reactivated by proteins from younger ones.

The old organisms showed no change.

The experiment was a complete failure.

The young organisms aged faster.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do proteins from young organisms affect stem cells?

They have no effect on stem cells.

They reactivate dormant stem cells.

They turn stem cells off permanently.

They put stem cells to sleep.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to stem cells at age 25 according to the research?

They disappear completely.

They multiply rapidly.

They go to sleep and get turned off.

They become more active.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What potential medical application is being explored with these proteins?

Preventing all diseases.

Curing all types of cancer.

Stimulating bone repair in the elderly.

Increasing lifespan to 150 years.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is cancer in children more curable than in adults?

Children have more active stem cells.

Children receive better medical care.

Adults have stronger immune systems.

Cancer is less aggressive in children.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential benefit of reactivating stem cells in the elderly?

Increased risk of diseases.

Slower healing of injuries.

Permanent changes in DNA.

Faster tissue repair and recovery.

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