题目

单项选择题

Imagine that you find yourself trapped in a chamber of the heart. The presence of which of the following structures would indicate to you that you're in a ventricle?

选项

A.Papillary muscle

B.Auricle

C.Coronary sinus

D.Pectinate muscle

E.Fossa ovalis

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标准答案

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思路分析

Imagine you’re pondering the anatomical clues that identify a ventricular chamber. Option 1: Papillary muscle. This feature is quintessentially ventricular; Papillary muscles project into the ventricular cavity and anchor to the chordae tendineae to keep the mitral and tricuspid valves......Login to view full explanation

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类似问题

QUESTION B1 The diagram demonstrates an anterior view of the heart. Examine the diagram and complete the following statements using only words from the list provided (found in the drop-down menu). The completed statements must be correct statements about the circulatory system. Statement 1 The cut vessel labelled ‘A’ provides blood supply to the head, neck, and upper limbs on the right side. This vessel is called the [ Select ] . Statement 2 The vessel labelled ‘B’ is the [ Select ] which transports deoxygenated blood to the lungs. Statement 3 The opening of the coronary sinus is situated in the [ Select ] . Statement 4 The pulmonary valve, labelled ‘C’ has three semilunar cusps, which are supported and surrounded by a [ Select ] . Statement 5 The vessel labelled ‘D’ is the [ Select ] Statement 6 The apex of the heart is primarily formed by the [ Select ] . Statement 7 The heart is surrounding by pericardium. The outer layer is known as the [ Select ] pericardium. Statement 8 The heart receives blood supply via coronary arteries, which are branches arising from the [ Select ] . Statement 9 The parasympathetic nerve supply to the heart arises from the [ Select ] . Statement 10 The circumflex branch is a vessel usually arising from the [ Select ] .

The cordae tendineae are attached to which small muscle masses on the ventricular wall?

QUESTION B1 The diagram demonstrates an anterior view of the heart. Examine the diagram and complete the following statements using only words from the list provided (found in the drop-down menu). The completed statements must be correct statements about the circulatory system. Statement 1 The cut vessel labelled ‘A’ provides blood supply to the head, neck, and upper limbs on the right side. This vessel is called the Brachiocephalic trunk . Statement 2 The vessel labelled ‘B’ is the Pulmonary trunk which transports deoxygenated blood to the lungs. Statement 3 The opening of the coronary sinus is situated in the Right atrium . Statement 4 The pulmonary valve, labelled ‘C’ has three semilunar cusps, which are supported and surrounded by a Fibrous skeleton . Statement 5 The vessel labelled ‘D’ is the Superior vena cava Statement 6 The apex of the heart is primarily formed by the Left ventricle . Statement 7 The heart is surrounding by pericardium. The outer layer is known as the Fibrous pericardium. Statement 8 The heart receives blood supply via coronary arteries, which are branches arising from the Aorta . Statement 9 The parasympathetic nerve supply to the heart arises from the Vagus nerve . Statement 10 The circumflex branch is a vessel usually arising from the Left coronary artery .

QUESTION B1 The diagram demonstrates an anterior view of the heart. Examine the diagram and complete the following statements using only words from the list provided (found in the drop-down menu). The completed statements must be correct statements about the circulatory system. Statement 1 The cut vessel labelled ‘A’ provides blood supply to the head, neck, and upper limbs on the right side. This vessel is called the Brachiocephalic trunk . Statement 2 The vessel labelled ‘B’ is the Pulmonary trunk which transports deoxygenated blood to the lungs. Statement 3 The opening of the coronary sinus is situated in the Right atrium . Statement 4 The pulmonary valve, labelled ‘C’ has three semilunar cusps, which are supported and surrounded by a Fibrous skeleton . Statement 5 The vessel labelled ‘D’ is the Superior vena cava Statement 6 The apex of the heart is primarily formed by the Left ventricle . Statement 7 The heart is surrounding by pericardium. The outer layer is known as the Fibrous pericardium. Statement 8 The heart receives blood supply via coronary arteries, which are branches arising from the Aorta . Statement 9 The parasympathetic nerve supply to the heart arises from the Vagus nerve . Statement 10 The circumflex branch is a vessel usually arising from the Left coronary artery .

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