Nutrition Test # 4: Chapter 10
Diuretic
makes someone pee frequently
Glycogen stores how many calories
2000
The average pulse is what?
70 beats per min
fat stores can store how many calories
70000
How does Cardiorespiratory Training benefit the heart?
It increases cardiac output, heart strength, stroke volume, and oxygen delivery Better breathing efficiency Better circulation improved BP higher good cholesterol (HDL)
All of the following are true concerning lactate production EXCEPT: a. lactate cannot be used to regenerate glucose nor burned for fuel. b. lactate is produced during intense physical activity. c. lactate does not cause fatigue. d. lactate is a product of the incomplete breakdown of glucose during anaerobic metabolism.
a
All of the following foods have a high glycemic index EXCEPT: a. soy beans. b. watermelon. c. white bread. d. cornflakes.
a
Approximately how many calories of fat does the average person store? a. about 70,000 calories b. about 5,000 calories c. about 25,000 calories d. about 1000 calories
a
Exercise is movement that is: a.) planned, structured, repetitive and promotes physical fitness. b.) hard, strenuous, difficult, c.) easy, relaxed,
a
Symptoms of heat stroke include all of the following EXCEPT: a. nausea. b. excessive sweating. c. stumbling. d. confusion.
b
Which of the following diets is the worst for enhancing physical endurance? a. Diet has no effect on endurance. b. high-fat diet c. high-carbohydrate diet d. normal mixed diet
b
hypothermia
below normal body temperature
A person who exercises moderately for more than 20 minutes begins to use less ________ and more ________ for fuel. a. fat; protein b. protein; glucose c. glucose; fat d. fat; glucose
c
Which of the following types of athletes derives a significant performance edge from caffeine? a. baseball player b. weightlifter c. cycler d. sprinter
c
Which statement about salt tablets is NOT accurate? a. Salt tablets irritate the stomach. b. Salt tablets cause vomiting. c. Salt tablets are the preferred method of replacing electrolytes. d. Salt tablets increase potassium losses.
c
flexibility
capacity of the joints to move through a full range of motion; ability to bend and recover without injury
Carbohydrate loading
consumption of a high-carb diet in a way enables muscles to temporarily store glycogen beyond their normal capacity
Examples of high carb foods?
crackers orange juice toast cereal sports drinks
After strenuous training, eating foods with a high ________ may help restore glycogen most rapidly. a. vitamin D content b. fat content c. protein content d. glycemic index
d
All of the following are recommended strategies to help maintain blood glucose to support performance EXCEPT: a. eat carbohydrate-rich foods after performance. b. train the muscles to maximize glycogen stores. c. take glucose periodically during endurance activities. d. eat a high-protein diet regularly.
d
All of the following are true concerning DHEA as an alternative to anabolic steroids EXCEPT: a. it can cause testicular shrinkage. b. it can cause cancer. c. it is a hormone made normally by the human body. d. it is approved as a supplement by the International Olympic Committee.
d
Cardiorespiratory endurance is characterized by: a. increased resting pulse. b. decreased cardiac output. c. increased blood pressure. d. increased breathing efficiency.
d
How many calories worth of glycogen does the average person store? a. more than 5000 calories b. about 500 calories c. about 200 calories d. about 2000 calories
d
The condition hyponatremia is due to a depletion of: a. chloride. b. potassium. c. water. d. sodium.
d
What effect does physical training have on glucose metabolism? a. It may allow type 1 diabetics to stop taking insulin injections. b. It may improve type 1 diabetes by helping the person to lose weight. c. It may worsen type 2 diabetes by stimulating glucose release into the blood. d. It may allow diabetics who take insulin-eliciting drugs to reduce their daily doses.
d
What are some high quality proteins?
daily, milk, eggs, fish, grains, and legumes
hyponatremia
decreased concentration of sodium in the blood
Anaerobic
does not require oxygen, may require strength by doesn't work the heart and lungs very hard
Glucose use depends on what?
duration and intensity of activity
What are 4 strategies to maintain blood glucose:
eat a high care diet eat glucose during activity eat carb-rich foods after the activity train muscles to maximize glycogen stores
Branch-chained Amino Acids
enhance protein synthesis diminish muscle breakdown
An increase in size of a muscle in response to use is known as atrophy. True False
f
Branched-chain amino acid supplements have been proven to improve athletic performance. True False
f
In order to meet their high protein needs, athletes should consume protein shakes or take supplements. True False
f
Endurance activités require what?
fluid and carb fuel
Physically active people lose what and must replace it to avoid dehydration?
fluids
Physical activity is supported by what 3 different factors?
glucose fatty acids amino acids
Muscles rely on what that can be ___ broken down by ____ metabolism
glucose, partially, anaerobic
Eating high-carb foods 2 hours after physical activity increases what?
glycogen stores
Muscle strength involves what kind of weight? (heavy or light)
heavy
Muscle Strength is ______ resistance with ______ of repetitions
high, fewer
Growth hormone
hormone produces by the brain's pituitary gland, necessary for growth of body tissues
Anaerobic is (intense/not intense) activity and uses (glycogen/proteins) quickly?
intense, glycogen
Aerobic Physical Activity
large muscles movie in a rhythmic manner for a sustained period of time
The average pulse for an active person is?
less than 50 beats per min
Muscle endurance is ___ resistance with _____ repetitions
less, more
Highly trained muscles use ____ glucose and ___ fat than do untrained muscles to perform sam work so _____ lasts longer.
less, more, glycogen
muscle endurance involves what kind of weight? (heavy or light?
light
Sports Anemia
low blood hemoglobin, harmless, adaptive, temporary response to endurance training
Physically active people prone to iron deficiency:
low intakes of iron-rich foods Menstruation-> high iron loss high demands of muscles for iron
Lactate
produced by anaerobic glucose breakdown
aerobic
requires oxygen. strengthens the heart and lungs by requiring them to work harder than normal to deliver oxygen to the tissues.
What are some Aerobic activities?
running walking intensely, dancing, and an intense basketball game
(3) Regular practice of an activity which leads to improvement in what?
strength endurance flexibility
Most sports drinks contain about half of the sugar of ordinary soft drinks. True False
t
Short-term use of creatine supplements may pose a risk to athletes with kidney disease or other conditions. True False
t
Sports anemia is not a true iron-deficiency condition and is really just an adaptive response to endurance training. True False
t
The better trained a person is, the less protein is used during activity at a given intensity. True False
t
agility
the ability to quickly change directions
cardiac output
volume of blood discharged by the heart each minute
Hypoglycemia:
where you can not go anymore
fatigue
temporarily diminished capacity, due to exertion.
Fitness
The body's ability to withstand any stress
Who is an athlete?
Anyone who trains at a high level of exertion
Water is what:
Best drink for most, rapidly leave digestive tract, cools body form inside out
What is the best and easiest indicator of hydration status?
Check the color of your urine, clear as possible
How does weight training benefit health and fitness?
Decreases the risk of CVD Improves mobility helps maximize/maintain bone mass increases energy expenditure even at rest
What are the 4 areas of fitness:
Flexibility Muscle strength muscle endurance && cardiorespiratory endurance
Glycogen loading is: a. done to trick muscles into storing extra glycogen before competition. b. achieved by eating a high-protein diet during the week before the competition. c. not recommended if you exercise in a hot climate. d. beneficial for activities such as sprinting 100 meters.
a
Sports nutrition experts recommend that endurance athletes consume: a. 20 to 35% of their energy from fat. b. 35 to 40% of their energy from fat. c. 5 to 10% of their energy from fat. d. 12 to 15% of their energy from fat.
a
Which of the following is NOT a benefit of fitness for women? a. reduced risk of high bone density b. reduced risk of heart disease c. reduced risk of high blood glucose d. reduced risk of gallbladder disease
a
Which of the following is correct concerning chromium picolinate? a. It contains a mineral involved in carbohydrate and lipid metabolism. b. It speeds up the loss of body fat. c. It increases lean body mass. d. It can decrease fatigue.
a
Which of the following sports is considered an endurance activity? a. hockey b. 100-meter sprinting c. baseball d. weight lifting
a
Atrophy
a decrease in strength and size
cardiorespiratory endurance
ability to perform large-muscle dynamic exercise of moderate-to-high intensity for prolonged periods
Fat can be broken down for energy by what kind of metabolism? (Aerobic/anaerobic)
aerobic
Hypertrophy
an increase increase in size and strength
All of the following are correct facts concerning alcohol EXCEPT: a. it promotes the excretion of minerals. b. it enhances reaction time. c. it is a diuretic. d. it impairs temperature regulation.
b
All of the following are true about repeated aerobic activity EXCEPT: a. activity stimulates the muscles to develop more fat-burning enzymes. b. repeated activity may decrease your BMR. c. aerobically trained muscles burn fat more readily than untrained muscles. d. heart and lungs become stronger and deliver oxygen to muscles more efficiently.
b
Resistance activity that is performed at a controlled speed and through a full range of motion is referred to as: a. a flexibility activity. b. a strength activity. c. a cardiorespiratory activity. d. an overload activity.
b
What foods are Branched-chained Amino acids found in
milk and turkey
Pros of being physically fit:
more restful, improved nutritional health, improved body composition, increased bone density, decrease risk of some caners, CVD, Type II DM and Gallbladder dz.
Lactate travels from what to where? When it end up in its final location what is it converted to and what does it trigger?
muscles to liver it is converted to glucose it triggers hormones release to stimulate muscle growth
Electrolytes can be shed how? and how can they be restored?
they can be shed by sweat and can be restored with food