level: Level 1 of 6.2 CVS
Questions and Answers List
level questions: Level 1 of 6.2 CVS
| Question | Answer |
|---|---|
| What does vasodilation from eating do? | Total peripheral resistance falls Venous pressure rises Arterial pressure falls |
| What affects will exercise have on pressure of vasculature? | Venous pressure increases greatly Arterial pressure decreases greatly |
| What does overfilling the heart lead to? | Lowers stroke volume, since heart is not as efficient. Risk of pulmonary oedema, since outputs of left and right cannot be matched |
| Standing up affect on CVP | It would fall, since blood pools in the legs. Since CVP falls, cardiac output would fall (Starlings law) So arterial pressure falls, this is detected by baroreceptors, which raise heart rate. If reflexes don't work, you can have postural hypotension. |