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Nutrition ch 8 and 9
Dr Cherry
| Question | Answer |
|---|---|
| The light sensitive pigment found in rod cells formed by retinal and opsin | rhodopsin |
| Mineral that can function as an antiooxidant | selenium |
| The critical role vitamin A plays in the human body | maintaining healthy vision |
| Free radicals | are formed by exposure to air pollution and tobacco smoke |
| 90% of Vitamin E is stored in | adipose tissue |
| Carbon and hydrogen are examples of | atoms |
| How do antioxidant minerals stabilize free radicals | break down and convert them to less damaging molecules |
| Keshan disease and Kashin-Beck disease are associated with | selenium deficency |
| Vhemical reaction in which atoms lose electrons | oxidation |
| Richest sources of Vitamin E | Mayo, Veg Oils, nuts, and seeds |
| The deficiency that can result in erythrocyte hemolysis, leading to anemia | Vitamin E deficiency |
| This nutient requires the most frequent consumption to assure adequate body stores | Vitamin C |
| Deficiency associated with vitamin C | scurvy |
| Where selenium is stored | in amino acids in the body |
| Symptoms of a vitamin C deficency include | bleeding gums and loose teeth |
| MOst of Vitamin A is stored | liver |
| cooking method destroys Vitamin C in food | boiling |
| In an atom, the nucleus has a positive charge and the electrons around the nucleus have what kind of charge | Negative |
| Increases RDA for Vitamin C | Smoking Cigarettes |
| Powerful and abundant form of Vitamin E | alpha-tocopherol |
| Rich source of Vitamin C | green and red peppers |
| Exchange reatcion | a two part reaction that involves a loss and gain of electrons |
| Beta-carotene is a precursor of | retinol |
| Primary active form of Vitamin D in the body | calcitriol |
| Organ responsible of synthesis in the body | skin, liver, kidneys |
| A T score between -1 and +1 on the DXA signifies | normal bone density |
| How to increase our absorption of dietary magneseum | eat a high protein diet |
| The hormone that assists in maintaining blood calcium levels by stimulating the activation of vitamin D | parathyroid hormone |
| The average person will absorb no more than ________ mg of calcium at one time. | 500 |
| Bone ________ refers to the two-step process in which bone tissue is recycled. | remodeling |
| The process called bone ________ determines the shape of bones. | modeling |
| Phosphorus consumption has increased approximately 10-15% over the past 30 years. This is largely due to the increased consumption of ________ | phosphorous food |
| the following factors contribute to low bone density in the adult years? | inadwquate calcium intake in childhood, low body weight and physical inactivity in adolescence |
| Trabecular bone | very sensitive to changes in hormones and nutritional deficiencies, porous and spongy in composition , turnover is very rapid |
| Bone cells that are responsible for bone resorption are called ________ | osteoclasts |
| Individuals who have diseases that result in the malabsorption of ________ are at risk for a vitamin D deficiency | fat |
| The majority of the body's magnesium is found in the ________ | bones |
| Assuming equal serving sizes, which of the following foods would be the poorest source of calcium? | cottage cheese |
| When does bone growth and modeling start? | during fetal development |
| At what age does bone resorption generally begin to occur more rapidly than bone formation? | 40 |
| Insufficient vitamin D during adulthood is associated with ________ | osteomalacia |
| following factors can inhibit the synthesis of vitamin D | obesity, advancing age, and sunscreens with SPF greater than 8 |
| Vitamin K serves as a(n) ________ to various enzymes involved in the coagulation of blood | coenzyme |
| Which of the following is the most abundant mineral in our body? | calcium |
| If a healthy individual were to consume too much calcium from the diet, which of the following is MOST likely to occur? | Their gastrointestinal tract would limit the absorption of calcium |
| The majority of our body's fluoride is stored in | the skeleton |
| Newborn infants receive a single injection of vitamin K at birth due to the fact that ________ | do not have enough bacteria in their small intestine to make vitamin K. |
| foods is high in phosphorus | meat |
| The spongy bone that is found within the ends of long bones is called ________ | trabecular |
| The individual with the highest risk of developing a vitamin D deficiency is a/n ________ | elderly institutionalized adult who consumes no milk and receives little or no sun exposure. |
| Marie is 55 years old and just had her first DXA assessment. The results indicated that she has a T-score of -1.5. What does her T-score indicate | Compared to a 30-year-old healthy adult, she has low bone mass. |
| Vitamin D toxicity is associated with ________ | supplements |
| Vitamin K's primary role in the body is ________ | blood clotting |
| Most of the body's phosphorus is stored in ________ | skeleton |
| Calcitonin is a hormone secreted by the ________ gland | thyroid |
| In addition to dietary sources, vitamin K is produced in our ________ | large intestine |
| Where do humans obtain vitamin D? | sunlight |
| In addition to proper growth and development, bone remodeling is critical in maintaining ________ | blood calcium levels |
Created by:
mollyjean3