Answer: Double blind clinical trial
Explanation:
The situation that is seen here is double blind clinical trail in which neither the participant nor the practitioner knows who is receiving the treatment.
This is used to prevent biasing in the experiment which is caused due to demand characteristics or placebo effect.
Here, in this situation the dog handlers and the experimental observer both were blinded to identify the breath sample.
Answer: Bad breath, yellow teeth, fatigue and decrease in energy. And my Reduction in sense of taste and smell. And it has been known to cause cancer. My grandfather died 25 years after quitting smoking of small cell lung cancer. So my advice is don’t ever start.
Explanation:
Answer:
A. Intermittent claudication is the correct answer.
Explanation:
