The caffeine content of coffee itself varies enormously. According to the USDA*, 1 rounded teaspoon of instant coffee (1.8 grams in weight) contains 57 mg of caffeine. No matter how much water, milk, or creamer you add to the coffee - the amount of caffeine will remain the same. Barone and Roberts* quote a value of 40-108 mgs per 150mls.
There are many different types of nurses and types of nursing jobs. Responsibilities: 1  Perform physical exams and health histories.  Provide health promotion, counseling and education.
Career Overview. As a licensed practical nurse, also called a licensed vocational nurse (LVN), your job duties will be to provide basic care and assistance for sick, injured, disabled, and other patients in a variety of settings.