Exposed collagen in a damaged vessel

a. activates factor XII to initiate blood clotting.
b. initiates platelet aggregation.
c. secretes ADP, which causes platelets to become sticky.
d. activates factor XII to initiate blood clotting and initiates platelet aggregation.
e. all of these answers.


D

Anatomy & Physiology

You might also like to view...

What is the strongest stimulus for the release of antidiuretic hormone from the posterior pituitary?

A) increase in plasma osmolarity B) decrease in sodium content of the blood C) decrease in blood pressure D) increase in blood pressure E) decrease in plasma osmolarity

Anatomy & Physiology

How does severe diarrhea cause a metabolic acidosis?

A) loss of phosphate B) production of bicarbonate C) production of hydrogen ions D) loss of hydrogen ions E) loss of bicarbonate

Anatomy & Physiology

Anemia can be caused either by a low hematocrit, or by a low hemoglobin level even when the red blood cell count is normal. 

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Explain the significance of the plateau period during the action potential of a cardiac contractile cell

What will be an ideal response?

Anatomy & Physiology