B. Ensures that a firearm will not fire accidentally
Answer: For the first answer I believe it is false
Explanation: This is true because acronyms can be used for many things.
Weight training uses resistance against muscle contractions.
Oftentimes u may be first person to greet patient or customer. U have the ability to let that person feel at ease or more nervous by merely being cordial and professional. To address a patient by their name clearly and concisely and looking at them while talking is a great way to get someone more relaxed. To look the part of ur role is also helpful, for example wearing a lab jacket with a name tag and having a neat appearance is reassuring to clients. Also a neat organised office environment is helpful in making a patient feel more calm.
The answer is (A) because if your joints are not "flexible" then you may tear something, break something, or strain something to the point of failure.