Question

1. Which of the following is accurate regarding Type AB blood?

Select one:

a. It has both A and B antigens on the red cells.

b. It has O antigens on the red cells.

c. It has both A and B antibodies on the red cells.

d. It has no antigens on the red cells.

e. It has both A and B antibodies in the plasma.

2.

The period of time between the first heart sound and the second heart sound is called _______.

Select one:

a. ventricular diastole

b. ventricular systole

c. the P wave of the ECG

d. ventricular filling

e. atrial systole

Answer 1

ANSWER- 1- ( It has both A and B antigens on the red blood cells)

- People with AB blood group have both A and B antigens on their red blood cells and don't have antibodies against A or B antigens,which means they can receive red blood cells of any type.

ANSWER-2-( VENTRICULAR SYSTOLE )

--Ventricle systole,period of contraction of the ventricles of the heart that occurs between the first and second heart sounds of the cardiac cycle.systole causes the ejection of blood into the aorta and pulmonary trunk.