Final answer:
Consent to obtain physiological measurements can be gained by health and social care practitioners through the process of informed consent. Participants should be provided with a clear explanation of the measurements, potential risks and benefits, and informed of their right to withdraw consent.
Step-by-step explanation:
Consent to obtain physiological measurements can be gained by health and social care practitioners through the process of informed consent. Informed consent involves providing participants with a clear and detailed explanation of the measurements that will be taken and the purpose of the measurements. The participants should also be informed of any potential risks or benefits associated with the measurements. Additionally, participants should be made aware that their participation is voluntary and that they can withdraw their consent at any time without facing any penalties.