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: Choice C
Explanation: The maximum weight you can lift in a single rep. The most weight you can lift.
Answer:
Flushed down in the patient's toilet
Explanation:
Patients having highly contagious diseases are put in isolated rooms so that the disease can not be spread by the patient to the other people. Person who provide any foodstuff to these patients use appropriate safety clothing like gloves, masks, etc to protect themself from the infection.
Therefore when a patient did not drink juice that was given to him/her then the juice should be flushed in the patient's toilet to avoid any cross-contamination of the infectious agents between the patient and other people and that juice should not be given to any other person.