Match the items given in Column I with those in Column II and select the correct option given below:
Column I | Column II | ||
a. | Tricuspid valve | (i) | Between left atrium and left ventricle |
b. | Bicuspid valve | (ii) | Between right ventricle and pulmonary artery |
c. | Semilunar valve | (iii) | Between right atrium and right ventricle |
a | b | c | |
1. | iii | i | ii |
2. | i | iii | ii |
3. | i | ii | iii |
4. | ii | i | iii |
The hepatic portal vein drains blood to liver from:
1. Stomach | 2. Kidneys |
3. Intestine | 4. Heart |
I. | Sympathetic neural signals |
II. | Adrenal cortical hormones |
I: | Pulmonary circulation carries deoxygenated blood to the lungs and brings oxygenated blood back to the heart. |
II: | The systemic circulation provides nutrients, oxygen and other essential substances to the tissues and takes carbon dioxide and other harmful substances away for elimination. |
1. | I and III only | 2. | I and II only |
3. | II and IV only | 4. | II and III only |
1. | ventricular filling. |
2. | the atrioventricular valves to close, and then the semilunar valves to open. |
3. | the semilunar valves to close, and then the atrioventricular valves to open. |
4. | pressure to become greater in the aorta and pulmonary trunk than in the ventricles. |
To obtain a standard ECG, a patient is connected to the machine with three electrical leads including all the following except:
1. | One to right wrist | 2. | One to left wrist |
3. | One to right ankle | 4. | One to left ankle |
1. | Ectoderm | 2. | Mesoderm |
3. | Endoderm | 4. | All three germ layers |
A four chambered heart is not seen in:
1. | Amphibians | 2. | Crocodiles |
3. | Birds | 4. | Mammals |
1. | is a bone marrow stem cells committed to produce RBCs |
2. | is the megakaryocyte |
3. | is the commonest WBC and is phagocytic |
4. | is responsible for acquired immunity in humans |