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 81. The process of blood clot formation within

the circulatory system is

A. Thrombosis

B. Thrombocytes

C. Thrombin

D. Thrombocytopenia

Answer: A

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82. When the right ventricle contracts the

blood goes into

A. Aorta

B. Brani

C. Pulmonary artery

D. Noe

Answer: C

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83. Splenic artery arises from

A. Anterior mesenteric artery

B. Coeliac artery

C. Posterior mesenteric artery

D. Intestinal artery

Answer: C

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84. Which of the following carries glucose

form digestive tract to liver

A. Hepatic artery

B. Hepatic portal vein

C. Pulmonary vein

D. None of these

Answer: B

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85. Systemic heart refers to

A. The two ventricles together in humans

B. The heart that contracts under

stimulation from ner-vous system

C. Left auricle and left ventricle in higher

vertebrates

D. Entire heart in lower vertebrates

Answer: C

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86. Carotid artery carries

A. Impure blood from brain

B. Oxygenated blood to anterior region of

body or to brain

C. Impure blood to kidney

D. Oxygenated blood to heart

Answer: B

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87. Blood circulation that starts in capillaries

and ends in capillaries is called

A. Portal circulation

B. Hepatic circulation

C. Cardiac circulation

D. None of these

Answer: A

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88. During diastole

A. Blood enter lungs

B. Blood leaves the ventricle

C. Blood leaves the heart

D. Blood enter the heart

Answer: D

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89. If the vagus branch of frog is stimulate the

heart will show

A. Stoppage of heartbeat

B. Decreased heartbeat

C. Increased heartbeat

D. No change

Answer: B

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90. During the systole of ventricle

A. Blood enters the heart

B. Blood leaves the heart

C. Blood leaves the ventricle

D. Blood enters lungs

Answer: C

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