HNF 150 Nutrition Exam 3 2025

What is usually the first sign of dehydration? - Fainting - Dizziness - Thirst - Headache - Elevated heart rate - -- Thirst Which is NOT a factor that determines one's water needs? - Food choice intake - Temperature - Humidity - Activity Level - Ethnicity - -- Ethnicity When blood volume and pressure is low, which part of the brain triggers the thirst response? - Hypothalamus - Cerebrum - Cerebellum - Brainstem - -- Hypothalamus Which of the following would you consume with a food source of iron in order to facilitate iron absorption? - tea and a soy protein hamburger - tomato and meat, fish or poultry - coffee and wheat bran muffins - calcium supplement and whole-wheat bread - -- tomato and meat, fish or poultry When trying to get adequate iron intake in your diet it is helpful to - eat non-heme iron found only in plants because it is absorbed more efficiently - consider adding supplements because they are better absorbed than iron in foods - combine vitamin C foods with non-heme iron to increase absorption - avoid combining heme-iron foods with non-heme-iron foods in the same meal - -- combine vitamin C foods with non-heme iron to increase absorption Jenny notices a discoloration in her teeth. What may be happening? She is showing signs of.. - dental caries from too much fluoride - goiters from too little fluoride - fluorosis from too little fluoride - fluorosis from too much fluoride - -- fluorosis from too much fluoride HNF 150 HNF 150 You are working with a child in a health clinic who has growth retardation, impaired immunity, and a poor appetite. This child is most likely experiencing - iron deficiency - chromium deficiency - zinc deficiency - phosphorus deficiency - -- zinc deficiency If a person has a deficient intake of calcium in the diet, what will be the result? - reduced absorption rate of calcium by the body - no change in levels of calcium in the blood because calcium will be pulled from the bones - gain of body weight - lowered levels of calcium in the blood because the calcium in bone cannot be withdrawn - -- no change in levels of calcium in the blood because calcium will be pulled from the bones The _________ mineral is required inside the cell and ________ mineral is required outside the cell to maintain fluid and electrolyte balance. - calcium; phosphorus - potassium; sodium - calcium; magnesium - sodium; sulfate - -- potassium; sodium The best source of phosphorus is - animal protein - fruit - vegetable protein -grain products - -- animal protein John routinely consumes 7,000 calories per day in excess of his energy expenditure. How much body fat would John store per day as a result of this practice? - pound - 1 pound - 3 pounds - 2 pounds - -- 2 pounds which form of obesity may be more hazardous to health than other forms of obesity? - outer obesity - subcutaneous obesity - central obesity - adipose obesity - -- central obesity basal metabolism - -the sum total of all the involuntary activities that are necessary to sustain life what is the term for the increased energy expenditure that occurs after eating a meal? HNF 150 HNF 150 - basal metabolism - the thermic effect of food - estimated energy requirement - voluntary activities - physical activity - -- the thermic effect of food which regulates basal metabolic rate? - selenium - sulfate - thyroxine - iron - sodium - -- thyroxine which of the following describes the eating disorder where a person cycles between binging and overcompensating by purging? - binge eating disorder - bulimia nervosa - anorexia nervosa - diabetes mellitus - -- bulimia nervosa What is thermogenesis? - -The production of heat in the body Which of the following is characterized by positive, comfortable and flexible relationships with eating? - disordered eating - eating competence - anorexia nervosa - binge eating disorder - -- eating competence Which of the following is NOT a component of energy expenditure? - basal metabolic - thermic effect of food - voluntary activities - excretion rate - -- excretion rate Sally goes to a specialist to check her BMI. The specialist has Sally lay down and release small-doses of radiation to accurately measure her fat, bone density, and muscle. Which method of assessing body fatness is Sally undergoing? - measuring waist circumference - BOD POD - Dual energy x-ray absorptiometry - underwater weighing - -- Dual energy x-ray absorptiometry T/F: Major minerals and trace minerals are essential inorganic elements - -True What happens when an individual does not ingest an adequate amount of calcium? HNF 150 HNF 150 - the body reduces its absorption rate of calcium from the diet - the bones release calcium into the blood - the blood calcium level decreases significantly - b and c - a, b, and c - -- the bones release calcium into the blood Which of the following is responsible for the majority of dietary sodium intake in the U.S.? - salt added at the table - processed foods - grilled chicken - soft drinks - -- processed foods which of the following foods provides the highest amount of potassium? - bread - banana - steak - cottage cheese - sardines - -- banana Which of the following would you consume with a food source of iron in or