Answer:
The pressure exerted by the sharp knife edge is more than that exerted by the blunt one because the area on which force is exerted with a sharp knife is very small.So blunt knife cannot cut the vegetables properly.
Answer: Electricity can travel through AED
Explanation: AED is Automated external defibrillator.
AED is used in patients that have cardiac arrest,it is used to re-establish or return back the heart rhythm of a patients whose heart stopped beating due to an illness or accident,the AED does so but analysing the heart rhythm of the victim and re-establishing an adequate heart rythym when shocked.
Using an AED is delicate,though it can be used in every weather condition, but the victim should be moved to a dry area because water is a good conductor of electricity,this is for the safety of both the victim of cardiac arrest and the Healthcare provider,when the pads are placed appropriately in the patient/victim,the AED analyzes the rhythm of the patient, if it is a shockable rhythm,the health care provider slightly moves away from the patient and press the shock button to deliver the shock.moving away of the healthcare provider is to avoid electrocution.
The doctor. most likely, is referring to the settling process. In this process, the muscles are still adjusting or on the process of healing so he is experiencing some back pains due to this. Once the muscles are settled in place, he would feel normal again.
