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13. This WBC type releases histamine, heparin, and serotonin. b. Basophils c. Mo

ID: 3505792 • Letter: 1

Question

13. This WBC type releases histamine, heparin, and serotonin. b. Basophils c. Monocytes d. Eosinophils require vitamin K for proper synthesis? 14. Which of the following blood clotting factors does NOT a. Factorl b. Factor I c. Factor VII d. Factor X 15. A clot in an unbroken vessel is termeda a. Thrombus b. Embolus c. Scar d. Agplutinogen 16. How is it possible that a woman with type A blood and a man with type B blood have a child with type O blood? a. They are both heterozygotes that each carry an O b. They both display co-dominance genotypically c. A genetic mutation occurs in the offspring d. It is not possible allele 17. Which is NOT true of the fibrous pericardium? a. Anchors the heart in the mediastinunm b. Comprised of tough, inelastic, dense irregular fibers c Contains pericardial fluid within its two layers d. It is superficial to the heart 18. Starting in the right atrium and ending in the aorta, which is the correct order blood would have to travel through the valves of the heart? a. Tricuspid, mitral, pulmonic, aortic b. Mitral, pulmonic, tricuspid, aortic c.Mitral, tricuspid, bicuspid, aortic d.Tricuspid, pulmonic, mitral, aortic

Explanation / Answer

13. (b) basopills.

Basophills are granulocytic white blood cells which is least common among the circulating white blood cells about 0.5 to 1 % only. It release histamine , heparin and serotonin .

14.(a) factor 1 .

15.(a) thrombus.

Thrombus is the abnormal cloting of blood in blood vessels.

16.(a) they are both heterogeneous that each carry an O allele.

17.(b) comprise of tough, inelastic ,dense irregular fibers.

Fibrous pericardium made up of dense and loose regular, and elastic connective tissue. It is the most superficial layer. Consist of pericardial fluid within two layers. It anchors the heart in the mediastenum.

18.(d) tricuspid, pulmonary, Mitra, aortic.

Tricuspid-in between right atrium and right ventricle.

Pulmonary -at the beginning of pulmonary artery.

Mitral-in between left atrium and ventricle .

Aortic -at the beginning of aorta.

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