Question

35) A person is rushed to the Emergency Room of a ch a n c e treatment with a drug called Atropine Atropinis asympathom , which i s the effects of the the nervous system. What symptomed this point have that wanted the wse of Bir A) a wound that would not det C) wery Nigh blood pressure D) a depressed heart rate 3) When your blood pressure is measured from an artery in your arm, you are merg pressure A) left ventricle Brightenice D) right atria 37) If there is an abnormality in the wave of the ECG, then the problem is in A) the electricate of the tria. m) the electrical tissue of the entides C) the SA modal tissue D) the AV modal tissue 38) In an ECG, you notice that there is an abnormally long day between the P and the ORS wave Which of the following might explain this result? A) Conduction of electrical activity through the AV node is slow B) The ventrices are contracting, but they stay contracted for a long period of time before reaning C) The SA node is generating electrical signals at a lower rate D) The heart is in ventricular fibrillation 39) The period of time in which the ventrides contract is known as 40) Tubing out in front of the TV the average person's heart rate is about 20 beats per minute because the nervous system slows the heart down from the approximately 100 beats per minute that the pacemaker, the node, sets. have habered hearts, whereas fish and amphibians get by with 41) Why do mamals and or chambers? The maximum number of molecules of oxygen that can bind with one molecule of human hemoglobin is B) 2 E) 5 49) How long does the average red blood cell live? A) 90 days B) 100 days C) 120 days D) 150 days E) It depends upon the amount of oxygen and the amount of hemoglobin the cell carries 50) Erythropoietin A) is produced by the kidneys. B) is released in response to high carbon dioxide or low oxygen levels in the blood C) is only released in response to hemorrhaging D) stimulates the speen to release more red blood cells 51) Which type of white blood cell is NOT found within the vas A) lymphocytes B) Leukocytes C) monocytes D) macrophages E) All are found within the vasculature. $20 A person that has an allergy to polen would expect an elevated level of during the spring A) leukocytes D) monocytes E) neutrophis

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Answer 1

Answers

35) B (an accelerated heart rate)

36) A (left ventricle)

37) B (the electrical tissue of the ventricles)

38) A (conduction of electrical activity through the AV node is slow)

39) Systole (the period of time in which ventricles contract)

40) parasympathetic nervous system

41) Mammals and birds have 4 chamberd heart for seperating oxygenated and deoxygenated blood

48) D (1 molecule of haemoglobin can carry maximum 4 molecules of oxygen)

49) C (120 days)

50) A (Eruthropoietin is produced by kidneys)

51) D (macrophages)

59) C (they lose iron during menstruation)

60) B (to produce more erythrocytes)

61) B (increase oxygen delivery to muscles)

62) B (WBCs protect body from microbes)

65) Erythrocytes

66) B

67) A

68) A

69) E

70) B

71) C

72) Eruthropoietin stimulates the production of Red blood cells

73) Basophils

74) Fibrinogen is converted to fibrin

75) True

76) A

5) A (controls the concentration of urine)

6) A (causes constriction of arterioles)

7) D

20) Tubular reabsorption

21) Glomerular filtration

22) Aldosterone

23) A. Ocellus, B. Pharynx, C. Dorsal nerve cords, D. Flame cells, E. Excretory canal

28) A

29) D