BIO 256 UPDATED Exam Questions and CORRECT Answers
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Course
BIO 256
Institution
BIO 256
which is how food moves though the gastrointestinal tract by using peristalsis?
propulsion
saliva functions as lubricant
which of the following is not true of saliva? contains enzymes that begin the
breakdown of proteins
which of the following stomach cells produce intrinsic factor? parietal...
BIO 256 UPDATED Exam Questions and CORRECT Answers which is h ow food moves though the gastrointestinal tract by using peristalsis? ✔✔✔ propulsion saliva functions as ✔✔✔ lubricant which of the following is not true of saliva? ✔✔✔ contains enzymes that begin the breakdown of proteins which of the following stomach ce lls produce intrinsic factor? ✔✔✔ parietal cells which of the following is NOT a phase of gastric secretion? ✔✔✔ enterogastric the function of small intestine brunner glands is ✔✔✔ secrete alkaline mucus hepatocytes do NOT ✔✔✔ store fat soluble vitamins which hormone induces secretion of bicarbonate -rich pancreatic juice? ✔✔✔ secretin gastric inhibitory peptide (GIP) has what effect(s) on the stomach? ✔✔✔ it inhibits gastric gland secretion and gastric motility where is gastrin produced? ✔✔✔ stomach mucosa the small intestines intrinsic pacemaker cells (Cajal cells) stimulate ✔✔✔ segmentation inadequate colonic water absorption results in ✔✔✔ diarrhea which is NOT a function of the normal bacterial flora of the colon? ✔✔✔ hydrolysis of proteins to supply am ino acids which hormone promotes the opening of the ileocecal valve, allowing chyme to move though the large intestine ✔✔✔ gastrin which of the following enzymes is specific for protein digestion? ✔✔✔ trypsin most water absorption occurs in the ✔✔✔ small i ntestine the primary function of carbohydrates is to ✔✔✔ maintain energy production within the cells cholesterol, while it is not an energy molecule, has importance in the body because ✔✔✔ it is an important component of plasma membranes and is used to mak e hormones the energy cost of amino acid absorption by using Na+ co -transport is paid by ✔✔✔ pumping Na+ out of the cell by using active transport it is important to ensure that your diet is adequately rich in vitamins because ✔✔✔ most vitamins are coenzym es needed for normal metabolism glycolysis is best defined as the ✔✔✔ the catabolic reaction based upon the conversion of glucose into two molecules of pyruvic acid gluconeogenesis is the process in which ✔✔✔ glucose is formed from non carbohydrate precursors deamination of amino acids takes place in the ✔✔✔ liver when carbohydrates are consumed, they may be used to produce ATP. if excess carbohydrates are consumed th ey are ✔✔✔ converted to triglycerides transamination, oxidative deamination, and keto acid modication all occur in the ✔✔✔ liver which is NOT a function of cholesterol? ✔✔✔ used for energy it is thought that high levels of _____ increase heart attack risks ✔✔✔ LDL's Which of the following nutrients yield the highest amount of energy per gram when metabolized? ✔✔✔ fats many factors influence BMR. which of these is the most important? ✔✔✔ the ratio of surface area to volume (weight) of the body When a person' s hypothalamic thermostat is set to a higher level and the and the actual body temperature is below that level, the person may ✔✔✔ shiver Which of the following glands surrounds the urethra and produces citrate and enzymes that help to activate sperm? ✔✔✔ the prostate immediately following ejaculation, the semen ✔✔✔ clots select the correct statement about male sexual response ✔✔✔ erection is the result of vascular spaces in the erectile tissues filling with blood after completion of meiosis, the human egg and sperm are similar because ✔✔✔ they have the same number of chromosomes the testicular cells that construct the blood -testis barrier are the ✔✔✔ sustentacular cells a low secretion of leutinizing hormone (LH) in the otherwise normal male adult would cause ✔✔✔ decreased testosterone secretion the female structure where the fertilized egg is normally implanted is the ✔✔✔ uterus
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