HBIO 202

HBIO 202 SECOND MIDTERM EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Name the different sections of the small intestine in order Duodenum Jejunum Illeum Duodenum - first part of small intestine - C shaped - receives juices from pancreas - receives bile (made in liver, stored in gallbladder) - HCL is produced to break down food (acidic) - Bicarbonate is released to neutralize the acidity of the chyme Jejunum - second part of the small intestine - res...

HBIO 202 LAB FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Equation: Fat Mass = total body weight * %fat Equation %fat fat mass/total body weight Equation Fat free mass = total body weight - fat mass Essential Fat Male: _____ 3% Essential Fat female: _____ 12% Storage Fat Male: _____ 12% Storage Fat female: _____ 15% Equation BMI = weight (kg) / height (m^2) Meters = inches * .0254 Methods to measure body fat percentage girth meas...

HBIO 202 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE What are Macronutrients? carbohydrates, lipids, proteins What are Micronutrients? vitamins, minerals, water Calories per gram of carbs, fats, protein, and alcohol 4, 9, 4, 7 FIBER Non digestible plant compound DRI- 14 g daily Main source: grains (3-5 servings a day) Eg. Rye, wheat Nondigestible Fiber (resistant starch) health benefits lowers risk of developing -constipation -diabeties -he...

HBIO 202 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Arteries, veins, capillaries three types of blood vessels are present in the circulatory system Complete Heart Block the impulse generated in the SA node does not propagate to the ventricles Arteriosclerosis the walls of the arteries become thick/stiff and may restrict blood flow to organs and tissues Atherosclerosis the most common form of arteriosclerosis Atherosclerosis a condition where the a...

HBIO 202 MIDTERM 2 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ GI Tract (gastrointestinal tract) mouth, esophagus, stomach, SI, LI, a part of the digestive system Ingestion of food and through echanical and chemical breakdown, eventually allow nutrients to be absorbed into blood and lymphatic system Mouth is the "point of entry", physical breakdown of food by chewing, thus increasing surface area enzyme action. Also, beginning of starch digestion (salivary analay...

HBIO202 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ systemic circuit carries blood between the heart and the rest of the body pulmonary circuit carries blood to and from lungs arteries blood vessels that go away from the heart veins blood vessels that go towards the heart capillaries smaller blood vessels that connects arterioles and venules arteriosclerosis walls of arteries become thick and stiff which then restrict blood flow to organs and tissues athero...

HBIO 202 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ Vitamin A scientific name: retinol function: vision, bone health, immune system deficiency: night blindness, immune system repairment rdl: 700-900 ug/day Vitamin C scientific name: ascorbic acid function: antioxidant, collagen synthesis, helps absorb non-heme iron, breaks down histamine deficiency: scurvy (bleeding/swollen gums) rdl: 75-90 mg/day Vitamin D scientific name: cholecalciferol "sunshine"...

HBIO 202 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ Scurvy Vitamin C deficiency Antioxidants act against free radical formation Bioavailability the degree to which a nutrient is absorbed from foods and used in the body Provitamin a substance that is converted into a vitamin in the body Vitamin A functions Important for vision, immune system function, and cell growth. Vitamin A deficiency - night blindness - xerophthalmia (permanent damage to the cornea) -...

HBIO 202 MIDTERM EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED Digestion Chemical and mechanical breakdown of food into absorbable units Absorption Movement of material from GI lumen to ECF Motility Movement of material through the GI tract as a result of muscle contraction. Secretion Movement of material from cells into lumen or ECF Functions of the GI tract secretion, digestion, absorption, motility Major Challenges of the GI Tract Avoid auto-digestion, mass balance, ...

HBIO202: FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ lipids composed of carbon, hydrogen, and oxygen, serve various functions such as storing energy, insulating, transporting proteins in the blood, and structuring cell membranes fat most common lipid, give flaky texture to baked goods, make meats tender, provide flavor and aromas, contribute to satiety three types of lipids triglycerides (fats), phospholipids, and sterols fatty acids chain of carbon and hydrogen...