1. | B - Capillary - thin without muscle layers and well two-cell thick |
2. | C - Vein - thin-walled and blood flows in jerks./spurts |
3. | D - Pulmonary vein - takes oxygenated blood to heart PO2=95 mm Hg |
4. | A - Artery- thick-walled and blood flows evenly |
1. | Fibrinogen – clotting of blood; Globulins – colloid osmotic pressure; Albumins – defence mechanisms |
2. | Fibrinogen – clotting of blood; Globulins – defence mechanisms; Albumins – colloid osmotic pressure |
3. | Fibrinogen – prevention of clotting of blood; Globulins – colloid osmotic pressure; Albumins – defence mechanisms |
4. | Fibrinogen – prevention of clotting of blood; Globulins – defence mechanisms; Albumins – colloid osmotic pressure |
1. | the closure of the atrioventricular and the opening of the semilunar valves |
2. | the opening of the atrioventricular and the closure of the semilunar valves |
3. | the closure of the atrioventricular and semilunar valves |
4. | the opening of the atrioventricular and semilunar valves |
1. | mother between 20 weeks and 24 weeks of pregnancy |
2. | mother early in pregnancy |
3. | mother immediately after the delivery of the child |
4. | new-born immediately after the delivery |
The end of systole is marked on the ECG by:
1. Beginning of P wave
2. End of the Q wave
3. End of the T wave
4. Beginning of S wave
1. | an Rh positive mother is carrying an Rh negative foetus |
2. | an Rh negative mother is carrying an Rh positive foetus |
3. | an Rh positive mother is carrying an Rh positive foetus |
4. | an Rh negative mother is carrying an Rh negative foetus |