Nutrition Chapter 9
Water makes up ___ of the body's weight, higher in children and those with more muscle mass
60%
True or False: Reflexes are not impaired if your blood alcohol concentration is below the legal limits of intoxication
False, having a measurable amount of alcohol in the blood can mean that judgement and reflexes are impaired
True or False: "Soft" water is healthier than "hard" water
False, soft water is higher in sodium and may increase risk for high blood pressure
What are the main sources of water?
1. Mostly from drinks (water, soda, juice, milk) 2. Also from food (fruits and vegetables are 90% water) 3. Juices are high in sugar 4. Aim for 100% fruit juice, more colorful juices have more nutrients
What is the thirst signal?
1. Sent by the hypothalamus (brain center) when blood becomes too concentrated 2. The signal lags behind the body's actual need
What are the effects of alcohol?
1. Slows reactions and control 2. Meds can increase effects 3. Loss of consciousness or even death 4. Alters balance of sex hormones
What are the roles of water in the body?
1. Transports nutrients and waste products 2. Ensures adequate blood volume
When are fluid needs higher?
during activity, warm climate, humidity
Can caffeine be linked to miscarriages?
limited research suggests that a high amount of caffeine could increase your chances of suffering a miscarriage
Does alcohol metabolize or absorb quicker?
metabolize
Are there caffeine risks for pregnant women?
none that have been proven, but caffeine should still be avoided
Main advantages of bottled water?
taste and convenience, but it often comes from the same reservoir as tap so it's not always safer
How much alcohol is safe for a pregnant woman?
they should avoid it all together because the risk can be too great
How much coffee/caffeine is considered safe for a pregnant woman?
they should limit caffeine intake to less than 200 mg per day (12 ounces of coffee)
Dehydration can lead to ___
weakness
True or False: A 12-ounce beer, a 5-ounce glass of wine, and a 1-ounce shot of tequila all contain the same amount of alcohol
True
True or False: Caffeine can cross the placenta and enter the fetus
True
True or False: Drinking alcohol may be associated with an increased risk of breast cancer
True
Alcohol is a ___ and a central nervous ___
sedative, depressant
How caloric is alcohol?
supplies 7 cals/gram (almost twice as much as carbs)
What are the health benefits of tea?
1. Lowers risk of cardiovascular disease 2. Decreases risk of cancer 3. Protects against neurodegenerative diseases
What are the health benefits of alcohol?
1. 1 drink for women per day or 2 drinks for men per day lowers heart disease death rates 2. Benefits appear to be from the alcohol itself (not other components of the drink)
What are the health risks of alcohol?
1. Car accidents - especially in age 45 and under 2. Drug interactions 3. Breast cancer - just one drink per day increases risk for women 4. High blood pressure and strokes 5. Pancreatitis 6. Other forms of cancer
What are the impacts of alcohol on nutrition?
1. Extra calories may lead to weight gain 2. Excessive intake affects nutrition, specifically protein, vitamins, minerals
True or False: Enhanced waters provide an important source of nutrients
False, a balanced diet is usually the best choice
True or False: Bottled water sold in the United States is always cleaner and safer than most tap water
False, depending on the brand, bottled water may itself be tap water
True or False: Energy drinks are regulated and therefore safe to consume
False, energy drinks are not regulated; therefore, manufacturers do not have to prove the safety or efficacy of these products
True or False: Even moderate caffeine users can suffer from withdrawal symptoms if they stop using caffeine cold turkey
True
True or False: Soft drinks sweetened with sugar contribute to empty calorie intake
True
How long can you survive without water?
a few days
How long does it take the body to metabolize one drink?
about 1 hour
Unmetabolized alcohol is detected in the ___ and ___
breath, urine
Tap water has ___ whereas most bottled waters don't
fluoride
What slows absorption?
food
How much alcohol does a woman have to drink to cause fetal alcohol syndrome?
four or more drinks a day
Does fetal alcohol syndrome cause abnormalities to the brain that are reversible or irreversible?
irreversible
Who absorbs more, men or women?
women
Can tea help with Alzheimer's?
yes
Can tea help with cancer?
yes
Can tea help with heart disease?
yes
Does a child with fetal alcohol syndrome appear different due to facial changes?
yes
Does fetal alcohol syndrome cause mental retardation?
yes