BSNC 1000 Questions with CORRECT Answers

BSNC 1000 (11) Questions with CORRECT Answers


Question:
Ischemia
Answer:
an inadequate blood supply to an organ or part of the body, especially the heart
muscles.

Question:
Systolic pressure
Answer:
Blood pressure in the arteries during contraction of the ventricles.

Question:
Diastolic pressure
Answer:
Blood pressure in the arteries when the ventricles are relaxed.

Question:
Stroke volume
Answer:
The amount of blood ejected from the heart in one contraction.

Question:
Cardiac output
Answer:
heart rate (HR) x stroke volume (SV)

Question:
The amount of blood ejected per minute Preload
Answer:
volume of blood in ventricles at end of diastole (Contraction)

, Question:
Capillary hydrostatic pressure
Answer:
pressure exerted by blood on the capillary walls that forces fluids through the
capillary walls into the interstitial spaces. This allows delivery of oxygen,
fluid and nutrients to cells.

Question:
Components of the circulatory system
Answer:
Heart, arterial system, venous system, capillary beds

Question:
Scope of perfusion
Answer:
Optimal, impaired, no perfusion

Question:
Mean Arterial Pressure (MAP)
Answer:
cardiac output (CO) x total peripheral resistance (TPR)

Question:
What influences peripheral resistance?
Answer:
Vessel wall tension

Question:
What do baroreceptors do?
Answer:
detect changes in blood pressure

Question:
Where are the baroreceptors located?
Answer:
carotid sinus and aortic arch