The cells of the SA node at the top of the heart are known as the pacemaker of the heart because the rate at which these cells send out electrical signals determines the rate at which the entire heart beats (heart rate). The cells that create these rhythmic impulses, setting the pace for blood pumping, are called pacemaker cells, and they directly control the heart rate. They make up the cardiac pacemaker, that is, the natural pacemaker of the heart. Hope this helps!
Answer: d) Assure the patient that this is a normal reaction
Explanation:
In the intradermal method of skin test the antigen or any test fluid is injected into the dermis with the help of syringe or needle. The patient may show anxiety as the skin may show swelling or other physical features.
The patient should be assured that this is not going to harm in anyway and the must be aware of the fact that the procedure does not have a long term impact over the body. The swelling will disappeared after sometime.
Answer:
Exempt as the study presents no greater than minimal risk and does not collect identifying information.
Answer:
i believe it is work skills sorry if I am incorrect
Answer:
During the restoration, it is not possible to use base materials with great pigmentation due to the aesthetic compromise, such as calcium hydroxide.
In addition, in this clinical situation, OZE, non-resistant / non-hybrid vitreous ionomethanes and pastes that could alter or irritate the dental pulp through the dentin tubules are contraindicated.
Explanation:
In this case, I would place a dentin composite paste, which has the same pigment as the patient's dentin, otherwise, a vitreous ionomer modified with dual-curing resins could be used as a base, where it assures us the possible retouching in it. session and also the complete setting protecting the dentin, obliterating the tubules and having a covalent chemical union with the dentin ... Above these types of base it is ideal to make a selective etching of the enamel with phosphoric acid, placement of the adhesive (resin waterproof) and finally the composite that perfectly matches the patient's color.
