How do enzymes work?
What will be an ideal response?
Foods are chemically digested by hydrolysis, which is catalyzed by enzymes. The three conditions that govern enzyme action are: specific substrates (nutrients), pH, and optimal temperature. If the specific nutrient, pH or the temperature conditions are not met, the enzymatic reaction will not take place. Many enzymes have the prefix —ase—sucrase breaks down sucrose to yield glucose and fructose. One of the most important roles of enzymes is to accelerate hydrolysis reactions, in which water breaks the bonds of digestible carbohydrates, fats, proteins, and alcohol. Enzymes are not changed during the reaction and can thus be re-used.
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By law, a serving size on beverage food labels is ____
a. 4-6 fluid ounces b. 8 fluid ounces c. 10-12 fluid ounces d. 16 fluid ounces e. 24 fluid ounces
In terms of implementation of care plans, the nurse recognizes that her major role is to:
a. deliver appropriate foods to the patient. b. identify expected outcomes and plan strategies that can correct problems. c. plan the diet for the patient. d. ensure that the appropriate foods are prepared for the patient.
Brain function may slow because of an age-related decline in the levels of neurotransmitters and in blood
A) quantity. B) flow. C) quality. D) iron levels.
The thirst center in the hypothalamus is stimulated when __________.
a. blood sugar level goes up b. osmolality of blood decreases c. osmolality of blood increases d. urine becomes too concentrated