If you answered A, you're right. A 2008 study found that Austin, TX, is the place to be for retirees. Austin scored highest in an analysis of happiness, emotional, and physical health. At least 1,000 people across the country were interviewed daily for an entire year.
Source: Gallup-Healthways Well-Being Index

If you answered B, you're right. In America, the average life expectancy for a man is 81 years and 84 years for a woman…and it's climbing.
Source: Johns Hopkins

If you answered A, you're right. A recent study found that spray bottles are involved in a majority of household cleaning product-related injuries. Just pointing and spraying can be a dangerous temptation for toddlers. Spray bottles do not feature the same child-safety packaging that other bottles and containers do, and kids can easily ingest the chemicals and/or spray them in their faces.
SOURCE: Nationwide Children’s Hospital in Columbus, Ohio

Answer:
If you answered C, you’re right. Type O negative blood is always in high demand because it can be transfused to patients with any blood type—especially in emergency situations. But every blood type is needed and accepted for donation.
Source: American Red Cross

If you answered B, you're right. A 2007 study conducted in the United States found that both men and women who consumed a Mediterranean diet lowered their risk of death from both heart disease and cancer. The Mediterranean diet includes lots of fruits and vegetables, healthy fats such as nuts and olive oil, and limited amounts of red meat.
Source: Mayo Clinic

If you answered B, you’re right. Water is your body’s principal chemical component and makes up about 60% of your body weight. Every system in your body depends on water. It flushes toxins out of vital organs, carries nutrients to your cells, and provides a moist environment for ear, nose, and throat tissues.
Source: Mayo Clinic

If you answered A, you’re right. It is possible to confuse other sorts of headaches with migraines. Migraines can cause nasal congestion and a runny nose, so they’re sometimes mistaken for sinus headaches…and the regular headache that most of us have experienced can have some of the features of a migraine, such as unilateral pain and nausea.
Source: Harvard Medical School

If you answered B, you’re right. Lactose intolerance occurs when your body cannot digest lactose, which is a sugar in milk. Lactose intolerance is easy to manage. Most people who have difficulty digesting lactose can eat some dairy and other lactose-containing foods in their meals and snacks. Eating yogurt or buttermilk with active cultures will help your body digest the lactose.
Source: American Dietetic Association

If you answered A, you’re right. Steady pain in the right upper abdomen that increases rapidly and lasts from 30 minutes to several hours can be gallstones. As gallstones move into the bile ducts and create blockage, pressure increases in the gallbladder and one or more symptoms may occur suddenly.
Source: NIDDK, NIH

If you answered B, you’re right. Tall people tend to get colder faster than shorter people because they have a larger surface area, which means more heat loss. If you’re out in the cold, you can help generate body heat by stomping your feet or swinging your arms. Don’t forget to wear a hat and gloves to protect your extremities.
Source: Harvard Health Letter, January

If you answered B, you're right. For many of us, taking an afternoon nap is a great way to refresh when we’re feeling sleepy. Many studies have reported that a nap as brief as 20 minutes can improve alertness, psychomotor performance, and mood. To get the benefit of a good snooze without being caught napping, don’t sleep too long. A 20- to 40-minute nap may refresh your day without keeping you up at night.
Source: Harvard Men's Health Watch