Which of the following statements about laminar blood flow is true?
A. The innermost layer of blood moves at the lowest velocity.
B. Laminar blood flow occurs when blood flows past an area of constriction.
C. The outermost layer of blood experiences the greatest resistance to flow.
D. In laminar blood flow, the rapid rate of blood flow exceeds critical velocity.
E. It makes lots of different noises.
C
You might also like to view...
Explain the drop in blood pressure that occurs when one goes from lying down to standing up
A. The heart rate decreases. This is due to the baroreceptor reflex reducing sympathetic output to the SA node. B. An increase in afterload causes a drop in stroke volume, cardiac output, and blood pressure. C. An increase in preload causes a drop in stroke volume, cardiac output, and blood pressure. D. Venous compliance allows blood to pool in the legs, decreasing venous return. This causes a drop in cardiac output and blood pressure.
____________________ ____________________ is involved in the process of heredity.?
Fill in the blank(s) with correct word
When ventricular pressure exceeds atrial pressure, the
A. ejection occurs. B. atria pump blood into the ventricles. C. ventricle is in diastole. D. blood is pumped into the atrium. E. AV valves close.
Following an automobile accident, a broken rib penetrates into the pleural cavity causing a lung to collapse. What condition is this?
A. Cystic fibrosis B. Hemothorax C. Atelectasis D. Pneumothorax E. Tension pneumothorax