Q. No.A chest pain or pressure, usually due to not enough blood flow to the heart muscle, is known as:
1. hypoxia
2. infarction
3. angina
4. diaphoresis
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What is the percentage of atrial blood that flows into the ventricles without atrial systole?
| 1. | 90 | 2. | 70 |
| 3. | 50 | 4. | 30 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
QRS complexes on the ECG tracings show that:
1. The atria are depolarizing.
2. The ventricles are depolarizing.
3. The ventricles are repolarizing.
4. The heart is at rest.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Pulmonary veins return the oxygenated blood from the lungs to:
| 1. | right atrium | 2. | left atrium |
| 3. | right ventricle | 4. | left ventricle |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Erythrocytes in humans are destroyed mainly in:
| 1. | liver and spleen | 2. | heart and lungs |
| 3. | bone marrow | 4. | kidney |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The most common WBC under normal physiological conditions are:
| 1. Neutrophils | 2. Macrophages |
| 3. Monocytes | 4. Lymphocytes |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The chamber with the thickest musculature in the human heart would be:
| 1. the right atrium | 2. the left atrium |
| 3. the left ventricle | 4. the right ventricle |
Sympathetic stimulation would lead to:
1. increased heart rate.
2. increased stroke volume.
3. vasoconstriction in visceral blood vessels.
4. all of the above.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The innermost layer of blood vessel walls made up of one layer of endothelium and in direct contact with the blood is:
| 1. tunica adventitia | 2. tunica intima |
| 3. tunica media | 4. tunica muscularis |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The build-up of fats, cholesterol and other substances in and on the artery walls is known as:
| 1. | arteriosclerosis | 2. | atherosclerosis |
| 3. | aneurysm | 4. | anastomosis |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.