Orange juice has a pH of 4. What is its relative acidity compared to pure water, which has a pH
of 7?
A) 10 times more acidic B) 100 times more acidic
C) 1,000 times more acidic D) 10,000 times more acidic
C
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Which of the following statements about vitamin D’s role in the body is FALSE?
a. Adequate intake slows the progression of Parkinson’s disease. b. Evidence shows supplementation has health benefits beyond correcting deficiencies. c. It signals cells of the immune system to defend against infectious diseases. d. Gene activity that regulates cell growth is enhanced or suppressed. e. It may protect against hypertension, inflammation, and type 2 diabetes.
Pediatric obesity is
A) caused by children eating too much and getting too little physical activity. B) multifactorial. C) due to genetics. D) due to low parental education and income.
Which of the following is used exclusively to dialyze patients with acute kidney injury?
a. Peritoneal dialysis b. Hemodialysis c. Continuous renal replacement therapy d. Intermittent dialysis
Proteins that act to speed up body processes, but are NOT changed in the process, are called
A) peptides. B) enzymes. C) hormones. D) chyme.