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Final Exam with Answer Key - Introduction to Human Nutrition | NUSCTX 10, Exams of Nutrition

University of California - BerkeleyNutrition
Prof. N. K. Amy

Material Type: Exam; Professor: Amy; Class: Introduction to Human Nutrition; Subject: Nutritional Sciences And Toxicology; University: University of California - Berkeley; Term: Fall 2010;

Typology: Exams

2009/2010

Uploaded on 12/21/2010

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NST 10 FINAL EXAM – 50 questions 12.16.10
The student is responsible to read and follow the instructions below.
Failure to adhere to these instructions may result in 0 points earned on the exam.
Please fill out the scantron exactly as instructed below:
Print your NAME on the line provided
Print your GSI’S FIRST NAME in the area marked SUBJECT
Print your SECTION NUMBER in the area marked PERIOD
From top to bottom, bubble in your STUDENT ID number in the ID FIELD
Use only a #2 pencil to fill out your scantron.
No calculators or cell phones are allowed during the midterm.
Choose the BEST answer for each question.
When finished, return your scantron to your GSI. You may keep this copy of the question sheet.
1. Which of the following statements about glycogen is false?
a. Glycogen is made and stored in the liver and muscle.
b. High insulin levels promote glycogen synthesis.
c. Muscle glycogen’s primary role is to keep blood glucose levels normal.
d. Glycogen is composed of many glucose molecules.
e. During fasting, liver glycogen levels decrease substantially.
2. Which of the following is NOT secreted in the stomach?
a. Mucous
b. Gastrin
c. Secretin
d. Hydrochloric Acid (HCl)
e. Pepsinogen
3. If blood glucose levels are low, what does the body do to restore glucose levels to normal?
a. The pancreas secretes insulin to increase blood glucose levels by stimulating gluconeogenesis
b. Hormones stimulate glucose transport into cells
c. Glucagon stimulates glycogen breakdown and glucose secretion into the blood
d. Glycogen stimulates increased insulin sythesis and ketone production
e. Ghrelin causes glucose to move into the blood
4. Danny enjoys eating hummus and chicken. In which organ and with what enzyme does he begin
digesting the protein in his favorite snack?
a. Mouth, Salivary Lipase
b. Mouth, Salivary Amylase
c. Mouth, Salivary Peptidase
d. Stomach, Pepsin
e. Stomach, Pancreatic Peptidase
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Download Final Exam with Answer Key - Introduction to Human Nutrition | NUSCTX 10 and more Exams Nutrition in PDF only on Docsity!

NST 10 FINAL EXAM – 50 questions 12.16. The student is responsible to read and follow the instructions below. Failure to adhere to these instructions may result in 0 points earned on the exam. Please fill out the scantron exactly as instructed below: Print your NAME on the line provided Print your GSI’S FIRST NAME in the area marked SUBJECT Print your SECTION NUMBER in the area marked PERIOD From top to bottom, bubble in your STUDENT ID number in the ID FIELD Use only a #2 pencil to fill out your scantron. No calculators or cell phones are allowed during the midterm. Choose the BEST answer for each question. When finished, return your scantron to your GSI. You may keep this copy of the question sheet.

  1. Which of the following statements about glycogen is false? a. Glycogen is made and stored in the liver and muscle. b. High insulin levels promote glycogen synthesis. c. Muscle glycogen’s primary role is to keep blood glucose levels normal. d. Glycogen is composed of many glucose molecules. e. During fasting, liver glycogen levels decrease substantially.
  2. Which of the following is NOT secreted in the stomach? a. Mucous b. Gastrin c. Secretin d. Hydrochloric Acid (HCl) e. Pepsinogen
  3. If blood glucose levels are low, what does the body do to restore glucose levels to normal? a. The pancreas secretes insulin to increase blood glucose levels by stimulating gluconeogenesis b. Hormones stimulate glucose transport into cells c. Glucagon stimulates glycogen breakdown and glucose secretion into the blood d. Glycogen stimulates increased insulin sythesis and ketone production e. Ghrelin causes glucose to move into the blood
  4. Danny enjoys eating hummus and chicken. In which organ and with what enzyme does he begin digesting the protein in his favorite snack? a. Mouth, Salivary Lipase b. Mouth, Salivary Amylase c. Mouth, Salivary Peptidase d. Stomach, Pepsin e. Stomach, Pancreatic Peptidase
  1. Simone wants to eat a more healthy diet. She currently does not get much exercise and eats pretty poorly. She did some Internet research and found the My Pyramid diagram, but she is not sure how to read it. Which of the following recommendations is a part of My Pyramid? a. People should eat more of the foods in the wider base of the pyramid since this represents the most nutritionally dense foods in that food group. b. People should aim for 90 minutes of vigorous physical activity everyday. c. People should start with a juice cleanse for three days and work out every single day so they will see quick results. d. People should try to eat the exact same amount of food from each color group of the pyramid, since she wants to have a balanced diet. e. People should eat the same 5 healthy foods everyday.
  2. Which of the following is the female athlete triad? a. osteoporosis leads to amenorrhea, which leads to disordered eating b. disordered eating leads to amenorrhea, which leads to osteoporosis c. bulimia leads to low blood calcium which leads to osteoporosis d. binge eating disorder leads to electrolyte imbalance and amenorrhea e. chronic dieting leads to low vitamin and mineral intake.
  3. Which of the following statements about the gastrointestinal organs is false? a. The smooth muscle of the stomach walls contracts to churn and mix a soupy mixture of food and acid called chyme. b. The liver is the storage site for important molecules like glycogen and iron. c. The pancreas releases bicarbonate to neutralize acidic chyme in the small intestine. d. Bile is made in the gallbladder and it is stored in the liver. e. The main site of nutrient absorption from our food is the microvilli of the small intestine.
  4. All of the following are true in regards to saliva EXCEPT: a. Salivary amylase is the only enzyme contained in saliva. b. The secretion of saliva is under the control of autonomic nervous system. c. Saliva lubricates and binds food. d. Lysozyme in saliva kills bacteria and prevents “dragon breath.” e. Saliva is secreted by the salivary glands in the mouth.
  5. Joe was worried that he had Diabetes, so went to his physician for a blood glucose test. He was given a high glucose drink, and his blood glucose levels were measured at 30 minute intervals. What would happen with his blood glucose levels if he had Type 1 Diabetes? a. His blood glucose levels would be much lower than normal. b. His blood glucose level would decrease, then rise steeply after 30 minutes. c. His blood glucose levels would be much higher than normal. d. His blood glucose level would not change. e. His blood glucose level would rise, then return to normal after 2 hours.
  1. All of the following are true in regards to ATP EXCEPT: a. ATP is generated when glucose is converted to pyruvate b. ATP is generated in citric acid cycle c. ATP is generated in electron transport chain d. ATP is generated in gluconeogenesis e. ATP is generated in glycolysis
  2. Children who endure severe protein deficiency often experience all of the following EXCEPT: a. Stunted growth b. Weakened immunity c. Swollen bellies d. Dry skin e. Dehydration
  3. Which of the following statements is NOT true: a. Urea is synthesized in the bladder b. Urea is excreted in urine c. Protein may be broken down for energy when glucose is low. d. Glucose can be synthesized from amino acids. e. Body proteins like collagen can be synthesized from amino acids.
  4. Susan weighs 60kg, how many grams of protein should she eat daily based on her body weight? a. 38g b. 48g c. 80g d. 160g e. 388g
  5. Bobby is strength training and wants to consume high quality protein. He is at the market deciding between eggs and beans. You tell him that protein from eggs is considered higher quality than protein from beans because: a. Eggs are more digestible than beans b. Eggs have essential fatty acids and cholesterol in the yolk. c. Eggs have more total protein per gram of food d. Eggs have a more balanced proportion of essential amino acids. e. The protein from eggs is higher quality because it contains many other vitamins and minerals.
  6. Energy is primarily stored in the body as ___________ and ____________. a. protein, glucose b. glucose, triglycerides c. glycogen, triglycerides d. muscle, glycogen e. glycogen, ketones
  1. Bobby’s lunch is 2 servings of the product on the food label (left). His lunch provided what percentage of calories come from fat, based on a 2000 kcal diet? a. 5% b. 10% c. 15% d. 20% e. 30%
  2. The RDI for iron is 18 mg. How many milligrams of iron will Bobby’s lunch provide? a. 2 mg b. 4.5 mg c. 9 mg d. 18 mg e. 162 mg
  3. Your friend is following a popular new diet that leaves her eating only half of her 2000-kcal RDA for calories each day. She insists that this will allow her to lose the “Freshman 15” before she goes home for the holidays in three weeks. You explain to her that at that rate, and with her current level of physical activity, she will only lose ____ pounds at the most by that time. a. 12 b. 2 c. 9 d. 8 e. 6
  4. Which of the following won't happen in an alcohol abuser: a. Fatty liver b. Vitamin A deficiency c. Hyperglycemia d. Brain damage e. Interrupted drug metabolism
  1. Retinoic Acid is important in all the following EXCEPT: a. visual cycle b. development c. reproduction d. immune system e. nervous system
  2. Joe has heard that athletes can enhance their physical endurance with high carbohydrate diets. Is this true? a. No, athletes should consume high protein diets for increased muscle synthesis. b. No, athletes should limit carbohydrates to prevent fat gain. c. No, athletes should limit carbohydrates to prevent excess lactic acid buildup. d. Yes, a high carbohydrate diet causes muscle protein synthesis e. Yes, a high carbohydrate diet leads to more glycogen stores.
  3. Christine is pregnant and has just taken a whole container of vitamin A supplements. She remembers learning in her nutrition class that vitamin A is a. dangerous because retinoic acid is teratogenic in high doses b. beneficial because retinoic acid will help her lose facial wrinkles c. helpful with her cystic acne and will support her fetus’ growth d. supportive in her fetus’ proper limb formation e. harmful because retinoic acid can negatively affect her eye health
  4. The BEST reason for using a placebo as part of experimental design is: a. The only way to know if the treatment works is to compare it to a placebo b. It makes it possible to include a larger number of subjects in the experiment c. All subjects are receiving some sort of treatment, which will minimize bias d. It will not be possible for researchers to know who is receiving an intervention and who is not e. It will prevent the subjects from leaving the experiment too early
  5. Iron homeostatis is maintainted through all of the following EXCEPT: a. Transport b. Storage c. Excretion d. Digestion e. Absorption
  6. Folate deficiency may result in: a. Night blindness b. Microcytic anemia c. Pellagra d. Megaloblastic anemia e. Pernicious anemia
  1. It is a hot summer day and you notice a man running along the bike path next to your house. He stops at a nearby water fountain to get a drink, and it is obvious that he is suffering from dehydration. Which of the following is NOT one of the symptoms of dehydration? a. Decreased muscle strength b. Slurred speach c. Blue lips d. Decreased breathing rate and pulse e. Mental confusion
  2. Healthy Henrietta’s Healing Herb, the hot new herbal supplement, being sold at Great Nutrition Shop has caused many adverse side effects and multiple deaths. Who is responsible for stepping in and taking them out of the market? a. The Food and Drug Administration (FDA) b. The United States Pharmacopeia (USP) c. Great Nutrition Shop (The shop where the product is sold) d. Healthy Henrietta (The manufacturer) e. The National Institute of Health (NIH)
  3. What is a major recent SNAP program change we discussed in section that will hopefully increase utilization of the benefits? a. The minimum income b. Paper-work has been minimized. c. Allowable foods to purchase now include whole grains and vegetables. d. Participants can now use benefits electronically, like a debit card. e. Transportation vouchers to/from SNAP offices are now included.
  4. There are many trace minerals in our bodies with important functions. Which one of these minerals is incorrectly matched with their function? a. Zinc: stabilizes proteins that regulate gene expression. b. Iodine: depletion of iodine can lead to formation of a goiter in the thyroid gland. c. Copper: important role in carbohydrate metabolism d. Selenium: antioxidant activity e. Iron: component of enzymes
  5. Vitamin D3 is converted to ________ in the _______, which is then converted to _______ in the _________. a. 25 - OH-D3, Skin, Calcitriol, Liver b. 25 - OH-D3, Liver, Calcitriol, Kidney c. 25 - OH-D3, Kidney, Calcitriol, Liver d. Calcitriol, Liver, 25-OH-D3, Kidney e. Calcitriol, Kidney, 25-OH-D3, Liver
  1. Jane has an eating disorder and has the following signs and symptoms EXCEPT: a. Body image disturbance b. Prolonging of menstrual periods c. Doubts about self-worth d. Secrecy e. Reduced libido
  2. Your friend was just diagnosed with food poisoning. According to his doctor, he most likely contracted E. coli from: a. Drinking stream water on a recent camping trip b. Eating cake batter with raw eggs in it c. Eating a rare hamburger at a local diner d. Eating raw oysters e. Eating beans from a dented can
  3. Which of the following statements concerning food poisoning is FALSE? a. People can get food poisoning from drinking unpasturized fruit juice. b. Norovirus infections are relatively rare. c. Organisms causing cholera can be transmitted by contaminated food or water. d. “Traveler’s Diarrhea” can be caused by E. coli. e. It is possible to get food poisoning from a small taste of food.
  4. If you have version A of this exam, please mark A on your scantron.

END OF EXAM!