Hyperkalemia occurs when there is excessive ____ in the blood.
A) calcium
B) potassium
C) phosphorus
D) vitamin D
Q. 2What is a feature of calcium supplements?
A) Common antacids are used as a source of calcium.
B) The bioavailability of calcium from most supplements is significantly lower than from milk.
C) There are large differences in the efficiency of calcium absorption from various supplements.
D) The calcium in supplements made from oyster shell and bone meal is more absorbable than the calcium in calcium citrate and calcium lactate.
Q. 3In some patients, recovery from acute kidney injury begins with a period of ____, in which large amounts of fluid are excreted.
A) catabolism
B) uremia
C) diuresis
D) oliguria
Q. 4Which calcium supplement is most likely to be contaminated with toxic minerals?
A) oyster shells
B) calcium lactate
C) calcium citrate
D) calcium carbonate
Q. 5Reduced kidney function can cause nitrogen-containing waste products, such as ____, to accumulate in the blood.
A) ammonia
B) creatinine
C) amino acids
D) lipids
Q. 6What is a characteristic of calcium nutrition in teenagers?
A) The recommended intake is higher for girls than boys.
B) The recommended intake is 800-1000 mg for this population group.
C) The intake of calcium is higher in boys than girls because they eat more food.
D) The dietary intakes of calcium are similar for girls and boys of this population group.
Q. 7Normal urine volume is approximately ____ mL per day.
A) 500 to 1000
B) 1000 to 1500
C) 1500 to 2000
D) 2000 to 2500
Q. 8What is a feature of physical activity and bone health?
A) Dancing is not an effective activity for helping maintain bone density.
B) Weight training improves bone density in young but not older women.
C) Working the muscles places stress on bones, which promotes bone density.
D) Weight-bearing activities are effective in maintaining bone mass in adults but not in adolescents.