the force exerted by blood on arterial walls during ventricular contraction ✔

$1$

increase in systolic blood pressure ✔

no change/slight decrease in diastolic blood pressure ✔

$2$

(vaso)dilation of blood vessels/arterioles to «working» muscle/(vaso)constriction ofblood vessels/arterioles to non-working muscles
OR
shunting of blood to working muscles/away from non-essential tissues ✔

increased blood flow to the working muscles «by 25 times»
OR
approximately 80–85% of cardiac output is directed to «working» muscles / 15–20% blood flow to non-working muscles ✔

brain receives approximately the same volume of blood during rest and exercise ✔

increased blood in working muscles improves transport/delivery of oxygen ✔

increased blood in working muscles aids waste product removal ✔

$3 max$