Nutrition Chapter 10
The DASH (Dietary Approach to Stop Hypertension) diet is best characterized by:
plenty of fruits, vegetables & whole grains, with lean protein and low-fat dairy foods.
What is the role of water in regulating body temperature?
-changes temperature slowly, helping to maintain body temperature. -When body temperature rises, sweat is produced; this evaporates to cool the body. -Low body temperature causes restricted blood flow to the skin to conserve body heat.
Good sources of potassium include:
-tomatoes. -bananas. -potatoes.
In the United States, the typical diet is high in _______ and low in ________.
...
A water loss of _______ of body weight can impair physical and cognitive performance.
1-2%
Kevin lost 3 pounds during his workout. He should consume a minimum of ________ liters of liquid to replace lost fluid.
1.5
acts to increase blood pressure
Angiotensin II
Which hormone signals the kidneys to reabsorb water back into the bloodstream?
Antidiuretic hormone
-can cause sudden heart failure. -can occur in anorexia nervosa. -can disturb acid base balance.
electrolyte imbalance
Sodium, chloride, and potassium in cells and body fluids are examples of:
electrolytes
Most body water comes from:
fluids we drink
The DASH diet is:
high in potassium, calcium and magnesium while low in sodium
Diets high in sodium have been linked to _____________ in some people.
hypertension
Water found inside cells of the body is called:
intracellular fluid.
The function of synovial fluid is to:
lubricate joints.
Nerve conduction and muscle contraction depend on which minerals?
Sodium & potassium
What describes the distribution of sodium and potassium in the body?
Sodium is primarily extracellular; potassium is primarily intracellular.
If a person is dehydrated, what physical symptom will be observed?
Urine color would become darker
Most of the salt consumed by Americans is:
added to food during processing and manufacturing.
The hormone that increases sodium reabsorption by the kidneys is:
aldosterone
The role of water in urine is:
as a transport medium.
When table salt is dissolved in water, the sodium and chloride ions:
dissociation
The normal pH of the body fluids of 7.4 is considered:
slightly basic
are readily absorbed in the intestine
sodium, chloride and potassium from the diet