Define the term collateral blood flow, and describe how this and other factors affect the development of stroke.

Collateral blood flow is an enlargement vessel that opens to cause a detour around a blockage. When an artery in the brain is block (TIA) open collateral vessels can allow blood to bypass the blockage to restore blood flow to the affected area. 

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.