Exam 3 hypertension, Na and K Flashcards
How does the body regulate blood pressure
There are sensors in the walls of the arteries that send signals to the heart, arterioles, veins and kidneys that cause them to make changes that lower or increase blood pressure
What blood pressure is defined as hypertension
HBP
What factors influences one’s risk for developing hypertension
Genetics, environment, dietary (Na and K)
What health modifications have been shown to impact blood pressure levels
Weight, the amount of alcohol intake, decrease inactivity, and increase minerals
Explain how sodium impacts blood pressure and the term “sodium sensitive.”
As the sodium content of your diet increases, so does blood pressure
What other groups of individuals are more likely to be sodium sensitive?
African heritage, people who have diabetes, elderly, overweight.
What is the average change in blood pressure in response to going on a low sodium diet
BP decreased
Besides sodium, what other minerals affect blood pressure regulation
Chloride, potassium, calcium and magnesium
Rank these from highest to lowest as sources of sodium in the American diet
Processed foods, naturally present in foods, salt shaker, home cooking
Sonia consumed 3300 mg of sodium. How does this compare with the average intake, RDA and Daily Value for sodium
RDA for sodium is >2300 mg. DV is 3500 mg/day
What foods are rich in potassium and low in sodium
Fruits and vegetables