How many optical centers does a  Single Vision lens of +2.00 -1.00 x180 power have?

Which of the following is TRUE regarding pancreatic enzyme replacement therapy?

Case Study #1RF is 45 yo, married, and works as a city engineer for a large municipal government. He cited a recent hx of nausea, anorexia, hematuria, and swollen ankles during a physical examination. His wife reported that he had been tiring more easily than usual during the past year. A hx of prior illnesses proved negative, except for a severe case of influenza with sore throat 10 years ago. RF’s BP was 160/98 and he has lost 4 kg during the past 2 months. A urinalysis shows albumin and red and white blood cells. He is 6′ 1″ and 172 lbs. His current urine output is approximately 450 cc/day.Lab values are as follows:BUN 93 mg/dl GFR 19 ml/min HCT 32% Hgb 11 mg/dl (14-17.4 for males) What factors affect the amount of protein needed by persons with chronic renal failure (or CKD, chronic kidney disease)? What amount would you recommend for RF? How would this change when be begins dialysis?

Which mineral has not been suggested as a way to improve (lower) blood pressure when consumed in adequate amounts?

Which of the following may be avoided after cancer therapy as the result of food aversions?

What type of dialysis treatment can be administered at a dialysis center, at home, during the day or night?

Which vitamins are most likely to be deficient in a patient with cystic fibrosis?

Case Study #1RF is 45 yo, married, and works as a city engineer for a large municipal government. He cited a recent hx of nausea, anorexia, hematuria, and swollen ankles during a physical examination. His wife reported that he had been tiring more easily than usual during the past year. A hx of prior illnesses proved negative, except for a severe case of influenza with sore throat 10 years ago. RF’s BP was 160/98 and he has lost 4 kg during the past 2 months. A urinalysis shows albumin and red and white blood cells. He is 6′ 1″ and 172 lbs. His current urine output is approximately 450 cc/day.Lab values are as follows:BUN 93 mg/dl GFR 19 ml/min HCT 32% Hgb 11 mg/dl (14-17.4 for males)Explain why RF is at risk for loss of bone mass leading to osteodystrophy.

Modifiable risk factors for hypertension include

According to the NCRP Report #160,