Ac cur Study guides, Revision notes & Summaries

HVAC Certification Practice Tests 1. Propane and Butane are _______ than air:: Heavier 2. What will be the resistance in the circuit if the supply voltage is 30V and current flowing through the circuit is 5A: 6 ohms 3. Temperature at which oil starts to produce a waxy substance that may interfere with the refrigeration system: Floc poin

AC and DC Current Review What is AC and DC current? - CORRECT ANSWER-AC (alternating current) and DC (direct current) What does DC current mean? - CORRECT ANSWER-The electrons /current flow in a single direction , it is current that is steady What does AC current mean? - CORRECT ANSWER-The flow of electrons / current change directions , it is current that changes What is polarity? - CORRECT ANSWER-unequal sharing of electrons/current What is current? - CORRECT ANSWER-Simply the flow of e...

1. A 22-year-old man is hypotensive and tachycardic after a shotgun wound to the left shoulder. His blood pressure is initially 80/40 mm Hg. After initial fluid resuscitation his blood pressure increases to 122/84mm Hg. His heart rate is now 100 beats per minute and his respiratory rate is 28 breaths per minute. A tube thoracostomy is performed for decreased left chest breath sounds with the return of a small amount of blood and no air leak. After chest tube insertion, the most appropriate next ...

    1. Levels of Health Promotion 2. Application Ex- amples of Levels of Promotion primary, secondary, tertiary primary- weight loss, diet, smoking cessation Secondary- papsmears, mammograms, testicular exams Tertiary- medication therapy, surgical treatment, physical therapy, teaching foot care education to diabetic care 3. Primary promotes health and preventing development of disease process or injury 4. Secondary screening for early detection of disease 5. Tertiary...

    1. Levels of Health Promotion 2. Application Ex- amples of Levels of Promotion primary, secondary, tertiary primary- weight loss, diet, smoking cessation Secondary- papsmears, mammograms, testicular exams Tertiary- medication therapy, surgical treatment, physical therapy, teaching foot care education to diabetic care 3. Primary promotes health and preventing development of disease process or injury 4. Secondary screening for early detection of disease 5. Tertiary...

    1. Levels of Health Promotion 2. Application Ex- amples of Levels of Promotion primary, secondary, tertiary primary- weight loss, diet, smoking cessation Secondary- papsmears, mammograms, testicular exams Tertiary- medication therapy, surgical treatment, physical therapy, teaching foot care education to diabetic care 3. Primary promotes health and preventing development of disease process or injury 4. Secondary screening for early detection of disease 5. Tertiary...

    1. Levels of Health Promotion 2. Application Ex- amples of Levels of Promotion primary, secondary, tertiary primary- weight loss, diet, smoking cessation Secondary- papsmears, mammograms, testicular exams Tertiary- medication therapy, surgical treatment, physical therapy, teaching foot care education to diabetic care 3. Primary promotes health and preventing development of disease process or injury 4. Secondary screening for early detection of disease 5. Tertiary...

1. A square has how many sides? 4 2. How much is 2 plus 2? 4 3. A rose is a what? A flower 4. What is the best explanation of how a smooth round stone became smooth? 5. If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? 6. Any astronomical body that revolves around a larger body is called? 7. In chemistry, to be classified as an organic sub- stance, a substance must contain? It was in a stream for a long time germina...

1. A nurse is teaching the parent of an infant about "Give the infant ways to prevent sudden infant death syndrome (SIDS). a pacifier at bed- Which of the following instructions should the nurse include? "Place the infant in a prone position to sleep." "Allow the infant to sleep on a large pillow." "Use a soft mattress in the infant's crib." "Give the infant a pacifier at bedtime." 2. A nurse in an emergency department is caring for a school-age child who is experienci...

1. A nurse is teaching the parent of an infant about "Give the infant ways to prevent sudden infant death syndrome (SIDS). a pacifier at bed- Which of the following instructions should the nurse include? "Place the infant in a prone position to sleep." "Allow the infant to sleep on a large pillow." "Use a soft mattress in the infant's crib." "Give the infant a pacifier at bedtime." 2. A nurse in an emergency department is caring for a school-age child who is experienci...