If the patient and the caregiver are not in the right position when changing from the bed to the chair, a lot can go wrong. If the patient does not have the right support they could fall and injure themselves along with the caregiver and the caregiver needs to have the right angle to be able to support the patient because if they try to move too fast, the patient may get dizzy an the caregiver could easily hurt themselves too.
From what i heard, when carbon monoxide is in a person's blood (smoker or non smoker) it can kill you, it is a sign of poison in your blood. With smokers it is worse because they are smoking something that has a high content of carbon monoxide which can cause heart problems, lung cancer, birth defects, etc. So thats what i think
I believe the answer would be d.muscle cramps. Breathing in toxins seems like it could relate to the other three answers.
