IPHY 2420 EXAM 2 (CU BOULDER) WITH
CORRECT SOLUTIONS
Vitamins minimize contact with water (1) - ANSWER-Water soluble vitamins
Vitamins minimize heat (3) - ANSWER-B1,B2,C
Vitamins minimize light (1) - ANSWER-B2
Vitamins minimize air (5) - ANSWER-A,E,K,B,C
Vitamins minimize basics (4) - ANSWER-K,C,B1,B2
Properties of Minerals (3) - ANSWER-Always occur in simplest form
Not digested or broken down prior to absorption
Get minerals from environment
Factors Affecting Micronutrient Absorption (5) - ANSWER-Chemical form
Something in food that prevents absorption
Competition between nutrients
Age
Amount of nutrient consumed
Risks of Supplementing Vitamins and Minerals (4) - ANSWER-Easier to develop toxicity
Some may be harmful to certain subgroups
Usually better absorbed from food sources
Alter balance of nutrients in body
Fluids - ANSWER-Substances composed of freely moving molecules
Types of Fluid (2) - ANSWER-Extracellular
Intracellular
Extracellular Fluid - ANSWER-Fluid outside of cells
Tissue fluid and plasma
Makes up ⅓ of body fluid
Intracellular Fluid - ANSWER-Liquid inside of cells
Makes up ⅔ of body fluid
Electrolytes - ANSWER-Charged ions that carry an electrical current
Types of Electrolytes (4) - ANSWER-Outside of Cell
, Na- sodium
Cl- chloride
Inside of Cell
K- potassium
HPO4- phosphorous
Functions of Fluids (5) - ANSWER-Dissolve and transport substances
Water is excellent solvent
Accounts for blood volume
Maintain body temp
Protect and lubricate tissues
Functions of Electrolytes (2) - ANSWER-Enable nerves to respond to stimuli
Signal muscle contraction
Stimuli of Thirst Mechanism (3) - ANSWER-Increase in concentration of salt or solutes
in blood
Decrease in blood volume or BP
Dry mouth or throat
Function of Water - ANSWER-Required for fluid and electrolyte balance and many
metabolic reactions
Recommended Intake for Water - ANSWER-3 L by beverages for males
.7 from other source
2.2 L by beverages for females
.5 from other source
Sodium Daily Intake - ANSWER-1.5g/day
Alcohol - ANSWER-Chemical compounds characterized by a hydroxyl group
Moderate Alcohol Intake - ANSWER-1 drink for women
2 drinks for men
Drink - ANSWER-Amount of beverage that provides ½ fluid oz of alcohol
Benefits of Moderate Intake (3) - ANSWER-Stress and anxiety reduction
Appetite improvement
Lower rates of heart disease
Concerns for Moderate Intake (4) - ANSWER-Higher risk for breast cancer
Risk for hypertension
Higher rates of bleeding in brain
Risk for adverse drug interactions
CORRECT SOLUTIONS
Vitamins minimize contact with water (1) - ANSWER-Water soluble vitamins
Vitamins minimize heat (3) - ANSWER-B1,B2,C
Vitamins minimize light (1) - ANSWER-B2
Vitamins minimize air (5) - ANSWER-A,E,K,B,C
Vitamins minimize basics (4) - ANSWER-K,C,B1,B2
Properties of Minerals (3) - ANSWER-Always occur in simplest form
Not digested or broken down prior to absorption
Get minerals from environment
Factors Affecting Micronutrient Absorption (5) - ANSWER-Chemical form
Something in food that prevents absorption
Competition between nutrients
Age
Amount of nutrient consumed
Risks of Supplementing Vitamins and Minerals (4) - ANSWER-Easier to develop toxicity
Some may be harmful to certain subgroups
Usually better absorbed from food sources
Alter balance of nutrients in body
Fluids - ANSWER-Substances composed of freely moving molecules
Types of Fluid (2) - ANSWER-Extracellular
Intracellular
Extracellular Fluid - ANSWER-Fluid outside of cells
Tissue fluid and plasma
Makes up ⅓ of body fluid
Intracellular Fluid - ANSWER-Liquid inside of cells
Makes up ⅔ of body fluid
Electrolytes - ANSWER-Charged ions that carry an electrical current
Types of Electrolytes (4) - ANSWER-Outside of Cell
, Na- sodium
Cl- chloride
Inside of Cell
K- potassium
HPO4- phosphorous
Functions of Fluids (5) - ANSWER-Dissolve and transport substances
Water is excellent solvent
Accounts for blood volume
Maintain body temp
Protect and lubricate tissues
Functions of Electrolytes (2) - ANSWER-Enable nerves to respond to stimuli
Signal muscle contraction
Stimuli of Thirst Mechanism (3) - ANSWER-Increase in concentration of salt or solutes
in blood
Decrease in blood volume or BP
Dry mouth or throat
Function of Water - ANSWER-Required for fluid and electrolyte balance and many
metabolic reactions
Recommended Intake for Water - ANSWER-3 L by beverages for males
.7 from other source
2.2 L by beverages for females
.5 from other source
Sodium Daily Intake - ANSWER-1.5g/day
Alcohol - ANSWER-Chemical compounds characterized by a hydroxyl group
Moderate Alcohol Intake - ANSWER-1 drink for women
2 drinks for men
Drink - ANSWER-Amount of beverage that provides ½ fluid oz of alcohol
Benefits of Moderate Intake (3) - ANSWER-Stress and anxiety reduction
Appetite improvement
Lower rates of heart disease
Concerns for Moderate Intake (4) - ANSWER-Higher risk for breast cancer
Risk for hypertension
Higher rates of bleeding in brain
Risk for adverse drug interactions
