Blood Pressure Flashcards
Place the blood vessels in order of blood pressure with circulation: aorta, capillary, vein, artery, venule, arteriole
1 = aorta 2 = artery 3 = arteriole 4 = capillary 5 = venule 6 = vein
What is diastole and systole?
Diastole = ventricular relaxation Systole = ventricular contraction
A drop in pressure causes the posterior pituitary to secrete …
Anti diuretic hormone
Angiotensin ll causes what to happen?
Increased blood pressure through vasoconstriction
Dizziness on moving from seated to standing is due to …
Decreased blood pressure in carotid arteries and decreased venous return to the heart
Total cardiac output (ml/min) is …
Stroke volume x heart rate
Severe hypertension in adults is defined as …
Systolic (mmHg) 180
Diastolic (mmHg) 110
Stroke volume is …
Volume of blood ejected by the left ventricle at each heart contraction
What is dissolved in blood plasma?
Albumin, urea, glucose, insulin, sodium
What stimulates the brainstem cardiac centres to increase cardiac output?
Increased plasma carbon dioxide and decreased plasma pH
