Why is vitamin D a nutrient of particular concern in older adults?
A. The kidneys accelerate the conversion of vitamin D to its active form, which increases the risk for toxicity.
B. Vitamin D synthesis in the skin slows with age.
C. Permeability of the intestine to dietary vitamin D increases as the intestine ages, which increases risk for toxicity.
D. None of these responses are accurate.
Answer: B
You might also like to view...
Bill has type 1 diabetes. What step can he take to reduce the likelihood that he develops hypoglycemia?
A. Give himself insulin injections whenever he feels hungry B. Eat one large meal per day, in the morning, if possible. C. Take a daily dietary supplement that provides a variety of B vitamins D. Eat meals and snacks that contain carbohydrate on a regular basis
Austin is a 42-year-old obese male. He is researching surgical options to lose weight. Which of the following surgeries is reversible?
a. Gastric banding b. Gastric bypass c. Vagotomy d. Total gastrectomy
The protein portion of the lipoprotein that provides structural integrity and allows for receptors to recognize the lipoprotein particle is called: a. a chylomicron
b. an amino acid receptor. c. bradykinin. d. fibrinolytic factor. e. an apolipoprotein.
Which of the following courses of action would not be helpful to someone with chronic heartburn?
A) avoiding drinking alcohol B) avoiding lying down after meals C) drinking milk with your meals D) eating smaller meals