What is the primary organic matrix component of dentin?

Which dentin feature increases with age and reduces permeability?

FIRST ESSAY QUESTION (50 points)ANSWER ONE OF THE FOLLOWING TWO QUESTIONS:A.   If the equilibrium price for a two-liter bottle of Bubble-Cola were $3.50 today, like it was five years ago, can we safely say that the supply and demand conditions in the market for carbonated soft-drinks have remained stable to the present? Explain your answer using economic concepts.   OR:B. The U.S. Postal Service (USPS) has been raising postal rates on a regular basis; nevertheless the service has been losing money. One of the reasons has been the increased competition from companies such as UPS and FEDEX, as well as new technologies, such as faxes, e-mails, and electronic bill payments. With this decrease in demand for postal services losses continue to increase. However, USPS and UPS share similar activities involving shipping and package delivery. In fact, UPS has contracted with USPS for the final phase of logistics in the delivery of the merchandise to its destination. Why do you think that the Postal Service seeks rate increases? Explain your answer using economic concepts.    

You and your AEMT partner are dispatched along with a BLS engine company for a male who is unconscious. You arrive at a farm to find a patient lying supine next to the barn. One of the farm hands informs you that they were spraying pesticides earlier in the day and the patient hadn’t been feeling well since doing so. The patient is pale, diaphoretic, has copious amounts of saliva coming from his mouth, is crying, had urinated and defecated himself, vomited, and has pinpoint pupils. His vitals are found below. What is your differential diagnosis?

You and your EMT partner are dispatched for a 33 year old male who is intoxicated. You have an 8 minute response time. Law enforcement has secured the scene. The patient is located in the back of a police cruiser. The patient is conscious and breathing handcuffed in the back seat. The officer reports that the patient was driving erratically and was pulled over on suspicion of DUI. The patient is alert to self, and reports feeling sick. The patient has pale, diaphoretic skin.   You also obtain a capillary blood glucose reading which reads 32mg/dl.   You are unable to obtain IV access. You patient begins to become more altered and is now unconscious. What medication can you administer without an IV before carrying the patient out to the ambulance?

You and your AEMT partner are dispatched with a BLS engine company to a patient who feels sick. You have a 6 minute response time. You arrive to find a 24 year old female patient conscious and breathing. The patient reports that she has been feeling sick since eating dinner. The patient reports a history of GERD and hypertension. Your patient has the following medications; Omeprazole, Lisinopril, and an Epinephrine auto injector. The patient reports an allergy to shell fish. The patient reports that her upset stomach started after she started eating the Chinese takeout she ordered. The patient reports significant abdominal pain and you note hives on the patient’s chest. What is your differential diagnosis and what treatment do you want to provide?

You and your EMT partner are dispatched to a patient who isn’t conscious. You have an 8 minute response time. You arrive to find a patient lying the gutter. The patient is not conscious and has slow shallow respirations. There are not bystanders present that knew the patient. You observe that the patient has pinpoint non reactive pupils. What is your differential diagnosis?

External respiration is when oxygen is brought into the lungs, what is internal respirations?

You and your AEMT partner are dispatched with a BLS engine company to a patient who feels sick. You have a 6 minute response time. You arrive to find a 24 year old female patient conscious and breathing. The patient reports that she has been feeling sick since eating dinner. The patient reports a history of GERD and hypertension. Your patient has the following medications; Omeprazole, Lisinopril, and an Epinephrine auto injector. The patient reports an allergy to shell fish. The patient reports that her upset stomach started after she started eating the Chinese takeout she ordered. The patient reports significant abdominal pain and you note hives on the patient’s chest.   You have identified that the patient is having an anaphylactic reaction to shell fish in her food. After administering 0.5mg of Epinephrine 1:1,000 you gain IV access and administer 50mg of Diphenhydramine. After administering the Diphenhydramine you begin to hear stridor coming from your patient. Your patient reports it is getting very difficult to breath. You auscultate lung sounds and hear diffuse wheezing in all lung fields. Select 3 pharmalogical interventions you would like to provide.

The ____ immunoglobulin causes mast cell degranulation and histamine release.