This set of Human Anatomy Multiple Choice Questions & Answers (MCQs) focuses on “Aorta & Arteries of the Trunk”.
1. From where does the aorta originate?
a) Right ventricle
b) Left auricle
c) Right auricle
d) Left ventricle
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Explanation: Aorta is the largest artery in the body. The aorta begins at the top of the left ventricle. The heart pums blood from the left ventricle into the aorta through the aortic valve.
2. How many aortic valves are present?
a) 2
b) 3
c) 4
d) 1
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Explanation: There are 4 aortic valves are present. They are ascending aorta, aortic arch, thoracic aorta and abdominal aorta.
3. The aorta distributes _______ type blood.
a) Oxygenated blood
b) Deoxygenated blood
c) Mixed blood
d) Cannot be determined
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Explanation: The aorta distributes oxygenated blood to all parts of the body through the systemic circulation.
4. Name the valve which is associated with aorta?
a) Mitral valve
b) Aortic valve
c) Tricuspid valve
d) Pulmonic valve
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Explanation: The aortic valve is located between the left ventricles and the aorta. Valves maintain one way blood flow through the heart.
5. Which artery supplies oxygenated blood to liver, stomach and abdominal esophagus?
a) Branchiocephalic artery
b) Costacervical artery
c) Mesenteric artery
d) Celiac artery
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Explanation: Celiac artery supplies oxygenated blood to liver, stomach abdominal esophagus, spleen and superior half of both the duodenum and pancreas. Structure of Celiac artery corresponds to embryonic foregut.
6. Name the artery which supplies blood to the diaphragm.
a) Internal iliac artery
b) Pancreatic coduodenal artery
c) Inferior phrenic artery
d) Carotid artery
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7. Name the major artery of head and neck.
a) Thyrocerival artery
b) Colic artery
c) External carotid artery
d) Suprarenal artery
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Explanation: External carotid artery is the major artery of head and neck. It arises from the common carotid artery when it splits into internal and external carotid artery.
8. Which of the following is not one of the three major branches of the coeliac trunk?
a) Right gastric artery
b) Left gastric artery
c) Spleenic artery
d) Common hepatic artery
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Explanation: Right gastric artery arises above pylorus from the hepatic artery. It descends to the pyloric end of the stomach and passes from right to left along lesser curvature supplying it with branches and anastomosing with left gastric artery.
9. Which is the only organ to receive arterial supply from all 3 branches of the coeliac trunk?
a) Stomach
b) Spleen
c) Liver
d) Pancreas
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Explanation: Coeliac trunk is a major visceral artery in the abdominal cavity. It supplies oxygenated blood.
10. Which artery supplies to a tail of pancreas?
a) Left gastric
b) Right gastric
c) Common hepatic
d) Splenic artery
View Answer
Explanation: Splenic artery is the blood vessel that supplies oxygenated blood to the spleen. It branches from celiac artery and follows the course superior to the pancreas.
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