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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.
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