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.
RNs also work as medical writers and editors, salespersons, researchers, public policy experts, and health care consultants. Most RNs work in well-lit, cozy health care facilities. Home health and public health nurses travel to meet with patients in their homes, schools, or other public locations.