What is true regarding the lymphatic system?
1. | A two-way transport system with fluids and cells moving in both directions |
2. | A continuous closed circulation running parallel to the arteries and veins |
3. | A one-way system collecting the lymph from body tissues and spaces and reintroducing it to the bloodstream |
4. | A one-way system collecting lymph from body spaces and soaking it into the body cells |
Identify the state in which the atria and the ventricles are when most of the ventricular filling occurs:
1. | Both the atria and ventricles are in systole |
2. | The atria are in diastole and the ventricles are in systole |
3. | Both the atria and ventricles are in diastole |
4. | The atria are in systole and the ventricles are in diastole |
Identify the incorrect statement regarding the hemolytic disease of the newborn:
1. | The fetus is Rh positive, and the mother is Rh negative. |
2. | The mother's immune system has made antibodies against the Rh factor present on the red blood cells of the previous baby. |
3. | The baby is born with an abnormally high number of red blood cells. |
4. | This can be prevented if the Rh negative mother has been given RhoGAM (antibodies). |
Which of the following ions is vital for coagulation of blood?
1. | Na+ | 2. | Ca++ |
3. | K+ | 4. | H+ |
Lymph does not contain:
1. | proteins | 2. | microorganisms |
3. | red blood cells and platelets | 4. | minerals |
The average life span of human red blood cells is:
1. | 10 days | 2. | 120 days |
3. | 21 days | 4. | three months |
What is the percentage of proteins in plasma?
1. | 10% | 2. | 7% |
3. | 25% | 4. | 92% |
The colloid osmotic pressure in the human blood is largely due to:
1. | electrolytes | 2. | albumin |
3. | fibrinogen | 4. | globulins |
Pulmonary veins return the oxygenated blood from the lungs to:
1. | right atrium | 2. | left atrium |
3. | right ventricle | 4. | left ventricle |
Erythrocytes in humans are destroyed mainly in:
1. | liver and spleen | 2. | heart and lungs |
3. | bone marrow | 4. | kidney |