I need some help with these questions please!!! Exam III Extra Credit Essay ques

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I need some help with these questions please!!!

Exam III Extra Credit Essay questions. These questions are wort exam if you answer each of the four es are limited to one (1) paragraph for each essay (and will receive No Po sources used must be cited appropriately already know when you arrived in A&P; at the start of the semester mu POINTS if you do not cite your information). Please type your answ works cited list) and hand them in the day of the lecture exam. ou have left the exam room under VW nother, you may not ask the h a maximum um of 10 points in total (2.5 pts. each) on the lecture orrectly (partial credit will be granted as appropriate). You (Wikipedia is not viable POINTS if you go over), and any t a viable source, and anything you did not These essays will not be accepted after with one er any circumstances. While you may discuss these questions instructor about them and you must compose your own essays. eld, it is quite common to administer intramuscular (IM) injections. Why is an best suited as 1. In the medical fi preferred over an injection directly into the circulation? What muscles are 2. How does the nicotine in cigarettes initiate the process 3. What is spinal meningitis? What causes this condition and how does 4. How can a blockage of CSF in an arachnoid granulation cause ireversible brain damage sites for IM injections? action potentials? How does it lead to addiction? victim? types of treatments can help prevent that damage? of facilitation and ultimately trigger it ultimately affect the

Explanation / Answer

Answer :

1) IM always preferred over direct circulatory injection because direct may affect the blood pressure and heart very quickly which might not be good for a weak heart patient.

IM injections are also quickly absorbsed and goes to the blood efficiently.

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Muscles which are best for IM injections are Deltoid, dorsogluteal, rectus femoris, vastus lateralis and ventrogluteal muscles

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Answer2)

Nicotine act at neuronal nicotinic acetylcholine receptor to facilitate neurotransmitter release.

When you first smoke you may have nausea dizziness headache but overtime it goes as your smoking becomes more of a habit. You build up a tolerance to these effects.

When nicotine enters the blood stream by veinsit affects many parts of the body it increases many blood pressure and changes food metabolism and slowly veins becomes tighten and boold flow becomes slow.

Nicotine stimulates nervous system and neurotransmitter. It affects epinephrine which is released as you smoke. Nicotine also triggers dopamine release which gives pleasure while smoking. So the effect stays for sometime and you goes off after sometime . So you feel like smoking again and becomes addicted.

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