Q. No.Amino acids are transported from the intestine to liver by:
1. Hepatic artery
2. Hepatic portal vein
3. Pulmonary vein
4. Hepatic vein
Lymph nodes:
| 1. | Filter the lymph |
| 2. | Contain phagocytic cells |
| 3. | Responsible for lymphocyte activation |
| 4. | All of these |
A patch of nodal tissue responsible for initiating the rhythmic contractile activity of heart is present in:
| 1. | Lower left corner of the left ventricle |
| 2. | Upper right corner of the right atrium |
| 3. | Lower left corner of the right ventricle |
| 4. | Upper left corner of the left atrium |
Which of the following are in direct contact with the AV valves and prevent these from collapsing back into atria?
1. Chordae tendinae
2. Papillary muscles
3. Columnae carnae
4. Musculi pectinati
Clotting of blood involves:
| 1. | Hemolysis of RBCs |
| 2. | Denaturation of albumins by thrombin |
| 3. | Inactivation of plasma clotting factors |
| 4. | Change of fibrinogen to fibrin by thrombin |
Which of the following diseases is also known as atherosclerosis?
1. Hypertension
2. Angina pectoris
3. Heart attack
4. Coronary artery disease (CAD)
Human heart is :
| 1. | Myogenic |
| 2. | Regulated mostly extrinsically |
| 3. | Neurogenic |
| 4. | Not at all under the controll of autonomic nervous system |
Which of the following is incorrect?
| 1. | The blood pressure of 140/90 or above relates to hypertension |
| 2. | High blood pressure leads to heart diseases |
| 3. | High blood pressure affects vital organs like brain and kidney |
| 4. | The blood pressure of 120/80 indicates low blood pressure |
Which of the following develops the greatest pressure in the mammalian aorta?
| 1. | Systole of left atrium |
| 2. | Diastole of right ventricle |
| 3. | Systole of left ventricle |
| 4. | Diastole of right atrium |
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