Biology Exam IIIB Blank - In a population of birds red...

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Unformatted text preview: **************************************#*********#*************************** In a population of birds, red feathers are recessive to black feathers. The frequency of red feathered birds in the population is 9%. 3.1 1. What is the frequency of the red feather gene? a. .09 b. 0.9 c. .03 d. 0.3 e. 0.7 2. What is the expected frequency of heterozygous dominant black feathered birds? a. 91% b. 42% c. 49% d. 58% *#*********************$***************************************************** 3. Random change in the gene pool of a population may be the result of 3.2 a. gene flow b. immigration 0. mutation d. deletions e. all of these 4. Which contains the fewest number of organisms (is most specific)? 3.5 a. phylum b. class c. genus (1. order 5. Which kingdom contains heterotrophic organisms that do not photosynthesize? 3.5 a. plantae b. animalia c. fungi d. both b and c 6. Organisms that have a coelom and a closed digestive tract 3.6 a. have no mesoderm b. have a mouth and an anus c. have one digestive opening (1. lack a body cavity 7. Low albumin levels in the blood may 3.9 a. be the result of hepatic failure b. may be the result of decreased protein intake c. may result in toxic levels of highly plasma protein bound drugs d. all of these 8. In response to hypoglycemia the will 3.10 a. pancreas, secrete insulin b. liver, produce lipids c. cells, increase oxidation d. pancreas, glucagon 9. ‘Which is true about glycogenolysis? 3 .10 a. It is stimulated by epinephrine b. It increases blood glucose levels c. It takes place in all cells (1. both a and b 10. Gluconeogenesis occurs in the and is stimulated by 3.10 . As a result, blood glucose levels a. liver, glucagon, increase b. liver, glucocorticoids, increase c. fat cells, insulin, increase c. duodenum, insulin, decrease 11. 12. 13. 14. 15. 16. Cellulose in the whole wheat cereal that Ima V Gan ate for dinner 3.7 a. passes from the jejunum directly to the ileum b. is absorbed as glucose from the large intestine c. is fermented by bacteria in the large intestine (1. both a and c are true e. all are true Gastroesophageal reflux disorder (GERD) 3.8 a. occurs when acid escapes from the stomach through the pyloric sphincter b. occurs when acid escapes from the stomach through the cardiac sphincter c. may be treated by lowering gastric pH with proton pump inhibitors (1. both b and c Pancreatic juice is made by the and works in the 3.7,9 a. exocrine pancreas, duodenum b. endocrine pancreas, blood c. liver, duodenum d. exocrine pancreas, stomach Urine passes from the a. urethra, ureter directly to the . 3.16 b. renal pelvis, ureter c. bladder, ureter d. renal pelvis, urethra The protein in a hamburger is absorbed as a. peptides, stomach b. fatty acids, liver d. peptides, small intestine from the 3.7 c. amino acids, small intestine Which is NOT normally found in the proximal convoluted tubule? 3.18 a. protein b. sodium c. water d. urea *****************************************************************#******** 17. 18. D. Rinkalott is taking an oral drug, A, that exhibits extensive first pass metabolism. 3.13 Which is true? a. The drug, A, cannot be given orally b. The drug A, will be broken down by liver enzymes 0. The drug, A, is highly bound to plasma proteins (1. both b and c D. Rinkalott develops liver failure as a result of his alcoholism. What might happen? a. Levels of active drug A will go up b. Levels of active drug A will go down c. The ability to detoxify drugs and alcohol will increase d. The gall bladder may rupture due to excess bile manufacture ************************************************************************#* 19. 20. 21. 22. 23. 24. 25. 26. Which is true concerning gas exchange? 3.15 a. The greater the surface area, the lower the efficiency. b. Oxygen diffuses out of the tissues into the blood c. CO2 diffuses out of the tissues into the blood d. Diseases like emphysema increase the surface area for gas exchange Which is IN CORRECTLY matched to the organ where it works? 3.7 a. pepsin- small intestine b. amylase- mouth c. pancreatic juice- duodenum d. bile- duodenum The carries blood to the small intestine. 3.12 a. celiac artery b. hepatic portal vein c. anterior mesenteric artery d. anterior mesenteric vein Oxygen is taken in through the nose and is carried by the circulation to the face. Which vessel/ structure is NOT on the path this molecule of oxygen will take? 3,12,14 a. alveolus b. external jugular vein c. pulmonary artery d. pulmonary vein Which is INCORRECTLY matched to its function? 3.14 a. trachea-gas exchange b. liver- detoxification d. urinary bladder- storage of urine c. stomach— protein digestion Where does chemical digestion of carbohydrates occur? 3.7 a. mouth b. stomach c. colon d. both a and b e. both a and c Which vessel carries deoxygenated blood from the hind limb? 3.12 a. brachiocephalic vein b.1iliac artery c. iliac vein d. renal vein Reabsorption occurs in the and returns to the circulation 3.18 b. proximal convoluted tubules, protons d. glomerulus, water a. glomerulus, potassium c. loop of Henle, sodium ***************************************************************************** Use the key below to answer the next 5 questions. Match the hormone to its function. 27. 28. 29. 30. 31. 3.19,9 a.glucagon b. aldosterone c. antidiuretic hormone d. insulin e. none of these Stimulates water (only) retention Stimulates glycogenolysis Stimulates sodium (and water) retention Stimulates lipogenesis Stimulates gluconeogenesis ********#*************************************$$***************************** 32. 33. 34. 35. 36. 37. 38. 39. Diuretics such as furosemide work by 3.19 a. stimulating water reabsorption b. inhibiting sodium reabsorption c. increasing blood volume d. inhibiting antidiuretic hormone Contraction of the decreases the pressure in the thoracic cavity, resulting in . . 3.15 a. internal intercostal muscles, expiration b. diaphragm, expiration 0. external intercostal muscles, inspiration d. internal intercostal muscles, inspiration Which is NOT true about the kidney? a. The glomerulus contains blood which has undergone filtration. b. The flitrate passes from the loop of Henle directly into the distal convoluted tubules c. The medulla contains mostly loops of Henle and collecting ducts (1. Most electrolytes and water are reabsorbed into capillaries which feed into the renal vein. Natural selection 3 .2 a. produces populations with adaptive advantages that affect generations b. affects only individuals c. produces random genetic change that is passed on to offspring d. produces organisms with genetic differences that may be advantageous 3.17,18 The bones in the wing of a bird and the forelimb of a cat are the same despite their differences in fimction because they are structures. 3.3 a. homologous b. analogous c. vestigial d. phylogenetic Which is an example of a premating isolating mechanism that could result in species isolation? 3.4 a. postzygotic sterility b. sex organs that are incompatible c. water rising between two islands making transit impossible d. change in diet e. both b and c Which is NOT an example of evolutionary change? 3.2 a. lowering of cholesterol levels with drug therapy b. appearance of antibiotic resistant bacteria c. decrease in the number of individuals in a population with a genetic disease d. increase in the number of brightly colored frogs in a population over generations Fats 3.7 a. are partially digested in the mouth b. are completely digested in the small intestine c. are emulsified by bile while in the bile duct d. may be converted to carbohydrates in the small intestine 40. 41. 42. 43. 44. 45. 46. 47. Mechanical digestion includes . 3.7 a. mastication in the stomach b. breaking of chemical bonds in the stomach c. peristalsis in the pharynx d. peristalsis in the small intestine In the kidney, filtrate passes from the directly to the 3.17 a Bowman’s capsule, distal convoluted tubule b. distal convoluted tubule, loop of Henle c. loop of Henle, collecting ducts d. Bowman’s capsule, proximal convoluted tubules Urea is made in the liver and excreted by the kidney into the urine. Through which structure will urea NOT pass on its way to excretion to outside? 3.12.17 a. renal vein b. aorta c. ureter ' (1. right atrium e. lungs Bertha Kontrol puts an estrogen patch on her right arm. Through which vessel(s) will the estrogen pass on its way to the brain? 3.12 a. right subclavian artery b. right brachiocephalic vein c. common carotid artery d. both b and c e. all of these In an adult, oxygenated blood passes from the 3.12 a. right atrium, tricuspid valve, right ventricle b. pulmonary vein, left atrium, biscuspid valve c. left atrium, tricuspid valve, left ventricle d. right ventricle, pulmonic semilunar valve, pulmonary artery Inhaled asthma medications pass from the a. trachea, larynx b. tertiary bronchus, bronchioles d. pharynx, trachea directly to the 3.14 c. alveolus, bronchioles Which vessel(s) will an oral drug pass through on its most direct way to the heart?3. 12 a. superior vena cava b. subclavian artery c. hepatic portal vein d. hepatic artery e. both a and c Glucose is absorbed from the ileum and passes into the which carries the glucose to the liver where the liver may use it in . 3.9 a. hepatic portal vein, gluconeogenesis b. hepatic portal vein, glycogenesis b. hepatic vein, deamination d. hepatic portal vein, deamination 48. 49. 50. The drug, coumadin, interferes with prothrombin synthesis. As a result There will be less thrombin in the blood b. There will be less fibrinogen in the blood 0. The clotting time will decrease d. all are true Which is a normal response to hyperglycemia? a. glucosuria b. lipogenesis c. gluconeogenesis d. glycogenolysis In the large intestine in humans a. water may be absorbed b. fecal matter passes from the descending colon into the transverse colon c. amino acids are absorbed into the circulation (1. both a and c 3.9 a. 3.10 3.11 ...
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This note was uploaded on 10/17/2009 for the course BIO 1100 taught by Professor Becker during the Spring '08 term at St. Louis College of Pharmacy.

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Biology Exam IIIB Blank - In a population of birds red...

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