Why Don't We Have Cancer-Sniffing Dogs?

Why Don't We Have Cancer-Sniffing Dogs?

Assessment

Interactive Video

Science, Health Sciences, Biology

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video discusses the potential of domestic dogs in detecting cancer through their ability to identify volatile organic compounds (VOCs) associated with cancer cells. Despite anecdotal and scientific evidence supporting their accuracy, practical challenges such as the need for handler feedback and the variability in dogs' performance limit their widespread use. The video also explores the development of electronic noses as a technological alternative, which could leverage the odor signatures identified by dogs to improve early cancer diagnosis.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the accuracy rate of dogs detecting lung cancer in blood samples according to a 2019 study?

85%

99%

90%

97%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are volatile organic compounds (VOCs) in the context of cancer detection?

Compounds that cause cancer

Odiferous compounds produced by cancer cells

Proteins found in blood

Enzymes that break down cancer cells

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it challenging for humans to detect cancer-specific VOCs?

There are too many VOCs to sort through

VOC profiles are identical in all cancers

VOC detection requires advanced technology

There are too few VOCs to analyze

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a major challenge in using dogs for cancer detection in labs?

Dogs are not interested in lab work

Dogs are too expensive to maintain

Handlers cannot provide feedback without knowing which samples are cancerous

Dogs require constant feeding

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long does it take to train a dog to become a certified cancer sniffer?

6-8 months

9-12 months

3-4 months

1-2 months

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one advantage of electronic noses over dogs in cancer detection?

They can detect all types of cancer

They work consistently without time-of-day variations

They are more accurate than dogs

They are cheaper to produce

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential issue with electronic noses in detecting cancer?

They are too sensitive to VOCs

They can be affected by other medical conditions

They require constant calibration

They are not portable