Weekly Health Quiz: Stretching, Sepsis and Sleep

1 Which of the following is the third most abundant mineral in your body and plays important roles in many bodily processes, including metabolism and detoxification?

• Sulfur

  Sulfur is the third most abundant mineral in your body and plays important roles in many bodily processes, including metabolism and detoxification. Learn more.

• Calcium
• Magnesium
• Fluoride

2 Which of the following vitamins is required for proper blood clotting?

• Vitamin B6
• Vitamin K1

  Vitamin K1 is required for proper blood clotting. Learn more.

• Vitamin K2
• Vitamin B12

3 Which of the following has been shown to significantly improve outcomes in patients with sepsis?

• Antibiotics and fluids
• Intravenous vitamin C only
• Intravenous vitamin C and thiamine in combination with hydrocortisone

  In 2017, a critical care physician announced the discovery of a simple and inexpensive way to treat sepsis using an intravenous cocktail of vitamin C and thiamine in combination with hydrocortisone. Learn more.

• High-dose oral vitamin D

4 According to a scientific review of more than 300 studies, teenagers between the ages of 14 and 17 need how many hours of sleep each night in order to avoid health problems associated with lack of sleep?

• 10 to 13 hours
• 9 to 11 hours
• 7 to 8 hours
• 8 to 10 hours

  Science shows that to maintain good health, teenagers need between eight and 10 hours of sleep each night. Learn more.

5 According to the bulk of the scientific evidence, stretching before exercise:

• Has no impact on your injury risk

  The bulk of the scientific evidence does not support the recommendation to stretch before exercising to prevent injury. The benefit seen in studies that support stretching before exercise as a way to avoid injury appears to be due to the warmup sequence, not the stretching. Learn more.

• Is imperative for the prevention of injuries
• Will decrease immediate performance
• Will significantly improve flexibility

6 One of the largest and deadliest outbreaks of Legionnaires' disease in the U.S. took place in which city during 2014 and 2015?

• Chicago, Illinois
• Flint, Michigan

  The 2014-2015 outbreak of Legionnaires' disease in Flint, Michigan, was one of the largest and deadliest outbreaks in the U.S. The outbreak was caused by the decision to provide the city with water from the highly-polluted Flint River. Learn more.

• Orlando, Florida
• San Francisco, California

7 Nicotinamide adenine dinucleotide (NAD+) is:

• A type of cell involved in cancer
• An important antioxidant produced in your body
• A coenzyme found in all cells, essential for over 700 enzymatic reactions

  NAD+ is a vital coenzyme found in all living cells. It's essential for over 700 enzymatic reactions in your body, including ones occurring in your mitochondria. Without sufficient NAD, you're likely to die prematurely. Learn more.

• An enzyme responsible for oxidative stress