Gemini wrld

HVAC: EPA 608 Certification Study Guide Are there drop-in replacements for R-12 systems? Why or why not? - No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - Alkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? - Ternary blends are t...

EPA 608 study material including (Core, type 1, 2 and 3) a vacum pump should be connected - as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - oxygen atoms one chlorine atom can destroy - 100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - CFC...

EPA 608 Certification What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - November 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - Recover all refrigerants. The objective of the Clean Air Act is to protect what? - The earth's stratosphere. HFC's - HydroFlouroCarbon's CFC's - ChloroFluoroCarbon's ODP - Ozone Depletion Potential Which international treaty agreement ...

Edexcel A Level Government and Politics Paper 1 Direct democracy - all individuals express their opinions themselves and not through representatives acting on their behalf Representative democracy - an individual selects a person to act on their behalf Similarities of representative and direct democracy - based on a majority Differences of direct and representative democracy - direct is not elective, direct is for individuals, direct has more citizen involvement Le...

NSG6020- Gastrointestinal exam

NSG6020 week 4 quiz which of the following is the most important question to ask during cardiovascular health history - sudden death of a family member a key symptom of ischemic heart disease is chest pain. However, angina equivalents may include exertional dyspnea. Angina equivalenstare important because - A and B (Women with ischemic heart disease/some patients may have no symptoms) A 55 year old post menopausal woman with a history of hypertension complains of jaw pain on heavy...

NSG6020- Gastrointestinal A 9 month old who has been a healthy, thriving infant presents with a poor appetite, two episodes of vomiting, three bloody stools with mucus and knees drawn to the abdomen with screaming. These are clinical manifestations of: - Intussusception Abdominal percussion is performed to assess: - Density of tissues and organs When performing a digital rectal exam, a soft, pedunculate lesion is palpated. This finding is most likely: - A rectal polyp Which t...

NSG 6020 Midterm What age does bronchiolitis occur? - most common at age 6 months- does not occur after age 2 main symptom of bronchiolitis - wheezing-lasts about 7 days most common cause of bronchiolitis - RSV Treatment for bronchiolitis - No specific treatment Order of lung exam - inspect, palpate, percuss, auscultate Pectus Excavatum - congenital posterior displacement of lower aspect of sternum -hollowed-out appearance -concave appearance of lower sternu...

NSG6020 Final #3 A 65-year-old patient remarks that she just can't believe that her breasts sag so much. She states it must be from lack of exercise. What explanation should the nurse offer her? - After menopause, the glandular and fat tissue atrophies, causing breast size and elasticity to diminish, resulting in breast that sag The mother of a 10-year-old boy asks the nurse to discuss the recognition of puberty. The nurse should reply by saying? - the first sign of puberty is enlar...

NSG6020 Final exam Heberden's nodes are commonly found in which one of the following diseases? - Degenerative joint disease You are beginning the examination of the skin on a 25-year-old teacher. You have previously elicited that she came to the office for evaluation of fatigue, weight gain, and hair loss. You strongly suspect that she has hypothyroidism. What is the expected moisture and texture of the skin of the patient with hypothyroidism - dry and rough You are assessing a...