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BIOL 232 - Sample Questions #51. Type O blood is the most common blood type in the world.A) trueB) false2. Functions of the lymphatic system includeA) transport of excess tissue fluid to the brain.B) transport of extracellular fluid to the blood vascular system.C) maintenance of blood pressure in the veinous circulation.D) Two of the above are correct.E) None of the above3. The term given to the shape of the leukoocyte in humans isA) dual convex disk.B) bioconcave disk.C) sickle shaped cell.D) myopic disk.E) None of the above are correct.4. The regulation of calcium metabolism is best described asA) the parathyroid produces thyroxine and triiodothyronine to maintain calciumhomeostasis.B) the thyroid produces calcitonin and the parathyroids produce PTH tomaintain calciumhomeostasis.D) the thyroid produces PTH and the parathyroids produce calcitonin tomaintain calciumhomeostasis.C) the thyroid produces thyroxine and triiodothyronine to maintain calciumhomeostasis.E) Two of the above are correct.5. Lymph enters a lymph node viaA) efferent lymphatic vessels.B) afferent lymphatic vessels.C) entronodal arch.D) the subscapular sinus.E) Two of the above are correct.6. Prolactin is important forA) sweating.B) milk production.C) uterine contractions.D) Two of the above are correct.E) All of the above are correct.7. Which of the following is NOT a category of endocrine gland stimulus?A) NeuralB) HumoralC) EnzymeD) Hormonal8. What is true about cholesterol?A) It is a percursor to hormones like insulin and epinephrine.B) It is a molecule important for cell membrane structure.C) If it is found in too high a concentration, it can contribute to heartdisease.D) Two of the above are correct.

E) All of the above are correct.9. Chemical substances, secreted by cells into the extracellular fluids, thatregulate the metabolicfunction of other cells in the body are calledA) enzymes.B) antibodies.C) proteins.D) hormones.10. The name of the thin slice of pituitary that produces MSH isA) the melanochorion.B) the pars intermedia.C) the hypothalamic tract.D) the hypophyseal portal.E) Two of the above are correct.11. Hormones used in the long term stress response would beA) aldosterone and norepinephrine.B) epinephrine and cortisol.C) epinephrine and norepinephrine.D) aldosterone and adrenalin.E) None of the above are correct.12. Hemoglobin is the compound in the leukocyte responsible for gas exchange.A) TrueB) False13. Which of the following is likely during vigorous exercise?A) You will feel very hungry during the exercise.B) Blood will be diverted away from the digestive organs.C) The skin will be cold and clammy.D) Capillaries of the active muscles will be engorged with blood.E) Two of the above are correct.14. Elevated ACTH will cause the release of the stress hormones aldosteroneand cortisol.A) TrueB) False215. The immune system is designed and placed so as to most readily come intocontact withextracellular fluids...the sight of entry for most infectious agents.A) TrueB) False16. Which of the following is true of ACTH?A) It is a hormone of the posterior pituitary gland.B) Stands for adrenocothyroid hormone.C) It is a hormone that will stimulate production of hormones in the cortex ofthe brain.D) Two of the above are correct.E) None of the above are correct.17. Choose the most accurate statement about blood hemoglobin.A) The blood of a person who has committed suicide using the exhaust from anautomobile wouldhave a high concentration of carbon dioxide.

B) A droplet of blood that fell onto a tabletop in lab would most likely bindwith carbondioxide.C) A red blood cell near the center of the gastrocnemius muscle would mostlikely bind withcarbon dioxide produced in muscle cell respiration and release oxygen for usein themuscle.D) Two of the above are correct.E) All of the above are correct.18. The physician that performed the first heart transplant wasA) William Harvey.B) Norman E. Shumway.C) John Jacob Landsteiner.D) William Einthoven.E) None of the above are correct.19. Thinking logically...immune response cells will frequently phagocytizeliving erythrocytes.A) TrueB) False20. Which of the following is true of lymphatic vessels?A) They are similar in structural design to arteries and veins.B) Their middle muscle layer is the thickest of the three types of vessels.C) Their muscle layer is comprised of smooth muscle.D) Two of the above are correct.E) All of the above are correct.21. What is the main function of the binocular vision?A) Depth perceptionB) Color visionC) Vision in dim lightD) Accommodation for near visionE) Two of the above are correct.22. Which of the following is produced by the pituitary gland?A) ADHB) GHRHC) OxytocinD) Two of the above are correct.E) All of the above are correct.23. The vessels that directly occur before the capillary beds are calledA) muscular arteries.B) lymphatuoles.C) arterioles.D) venules.E) Three of the above are correct.24. When we speak of a second messenger system, which of the following istrue?A) It is a system of action used by steroidal hormones.B) The most common type of second messenger is endocine.C) The second messenger will cause changes in the production of proteinswithin the cellmembrane.D) Two of the above are correct.

E) None of the above are correct.25. The types of receptor cells for color that are found in the human eyeincludeA) the yellow rods.B) the green cones.C) the red rods.D) Two of the above are correct.E) All of the above are correct.26. Blood within the pulmonary arteries travels next to theA) right atrium.B) lymphatic vessels near cisterna chyli.C) right ventricle.D) capillaries surrounding alveoli.E) Two of the above are correct.27. Approximately what proportion of the volume of blood consists of theerythrocytes?A) 1%B) 25%C) 45%3D) 55%E) 70%28. Tonsils are thought to be important parts of the immune response in thebody.A) TrueB) False29. Why is locking yourself in a garage with a running automobile anunfortunately effective methodto commit suicide?A) Because poisonous gasoline from the automobile will kill you as it leaksout of the tank.B) Because the products of combustion produce carbon dioxide.C) Hemoglobin will more tightly bind with CO than to either 0 or COD) Both a and b are correct.E) Both b and c are correct.30. Which scientist is most famous for his invention of the spygmanometer?A) Benjamin CummingsB) William EinthovenC) Étienne-Jules MareyD) Karl E. ShumwayE) None of the above are correct.31. Which statement best describes arteries?A) All carry oxygenated blood away from the heart.B) All carry oxygenated blood.C) All contain valves to prevent the back-flow of blood.D) Two of the above are descriptive of arteries.E) None of the above are correct.32. Steroid hormones exert their action byA) finding an appropriate cell receptor and initiating cAMP activity.B) acting on the nucleus of a cell and initiating or altering the expressionof a gene.

C) stimulating the cell via the plasma membrane receptors.D) increasing blood pressure.E) Two of the above are correct.33. The hypophyseal portal system refers to theA) the blood communication system of the posterior pituitary.B) the neural communication system of the anterior pituitary.C) the blood communication system of the anterior pituitary.D) the neural communication system of the posterior pituitary.E) None of the above are correct.34. The scientist that is most renowned for his work on blood dialysis isA) Étienne-Jules Marey.B) Norman Einthoven.C) John Jacob Abel.D) Benjamin Cummings.E) None of the above are correct.35. The positive feedback loop involving the placenta and uterus uses whathormone?A) ProlactinB) ADHC) PlacentocinD) TriiodothyronineE) None of the above36. Small organs associated with lymphatic vessels are termedA) lymph nodes.B) lymph otoliths.C) axillary nodes.D) cisterna chyli.E) immune nodes.37. The type of cells in the retina that helps an individual see light anddark is/areA) the nasal rodentia.B) the rods.C) the cones.D) the retinofunnel cells.E) Two of the above are correct.38. When it becomes necessary to start the “fight or flight” response, ahormone that is released isA) epinephrine.B) angiotensinogen.C) adrenalin.D) stressopressin.E) Two of the above are correct.39. Which of the following is NOT a formed component of blood?A) RBC’sB) LeukocytesC) PlasmaD) PlateletsE) Two of the above are not cellular components of blood and therefore Iselect this answerinstead.40. Lymph in lymph vessels flows towards the heart just like arteries.A) True

4B) False41. The pulmonary veins carry deoxygenated blood away from the heart.A) TrueB) False42. Because lymph vessels are very low pressure conduits, movements ofadjacent tissues are importantin propelling lymph through the lymphatic vessels.A) TrueB) False43. Permitting the exchange of nutrients and gases between the blood andtissue cells is the primaryfunction ofA) veinuoles.B) lymphatuoles.C) capillaries.D) arterioles.E) Two of the above are correct.44. Death from carbon monoxide poisoning would be due toA) the body’s destruction of hemoglobin.B) the strong affinity of hemoglobin for carbon monoxide.C) formation of poisonous ATP.D) inability to form hemoglobin.E) Two of the above are correct.45. The scientist renowned for the discovery of and identification of the ABOblood groupings isA) John Jacob Abel.B) William Harvey.C) Benjamin Jules-Marey.D) Karl Landsteiner.E) None of the above are correct.46. In lecture we talked about the relationship of modern society to hormonesecretions. Which bestdescribes this relationship?A) Pollutants in modern society, such as lead and mercury, cause the adrenalglands to shutdown and decrease life expectancy.B) In modern society, medical intervention allows the administration ofmelatonin to pregnantwomen to assist in creating uterine contractions to speed childbirth...savinglives.C) Modern life is quite stressful and results in an increased production ofboth cortisol andaldosterone.D) The secretion of thymosin and GH result from the busy nature of modernsociety.E) Two of the above are accurate.47. Plasma is going to containA) hormones.B) functional DNA.C) nutrients.D) Two of the above are correct.

E) All of the above are correct.48. Which of the following hormones is produced by the posterior pituitarygland?A) Growth HormoneB) OxytocinC) Antidiuretic HormoneD) Two of the above are correct.E) All of the above are correct.49. The blood flow in the pulmonary circuit is different..... blood flows awayfrom the heart in bluearteries.A) True B) False50. Thinking logically, the blood pressure in the vena cava is greater than inthe aorta.A) True B) False