151.L1.Lect5_6.Cardiovasc.11.18_20.13.Stu (1)

Ach increases intervals between openings of ca

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: muscarinic receptors, mAChR) b.ACh increases intervals between openings of: - Ca++ channels by: - opening K+ channels, releasing K+ and decreasing rate of depolarization and decreasing rate of Na+ and Ca++ flow into cell by diminishing # of channels that open So: - increases intervals between systole, - decreases force of contraction, - decreases systolic blood pressure Fluid exchange between blood capillary and organs and tissues tissues 32mmHg Campbell Figure 42.10 Campbell Figure 42.15 Fluid exchange between blood capillary and organs and tissues tissues (in excess at 22mmHg) 32mmHg Campbell Figure 42.10 Campbell Figure 42.15 Fluid exchange between blood capillary and organs and tissues tissues (in excess at 22mmHg) 10mmHg 32mmHg Campbell Figure 42.10 Campbell Figure 42.15 Fluid exchange between blood capillary and organs and tissues tissues (in excess at 22mmHg) 10mmHg 32mmHg Resistance from flow thru capillary: -7mmHg (15mmHg) Campbell Figure 42.10 Campbell Figure 42.15 Fluid exchange between blood capillary and organs and tissues tissues (in excess at 22mmHg) 10mmHg 32mmHg 7mmHg So what happens to 3mmHg worth of fluid not returned to venous outflow? (~4L per day) 22mmHg Resistance from flow thru capillary: -7mmHg (15mmHg) Campbell Figure 42.10 Campbell Figure 42.15 Campbell Figure 43.7...
View Full Document

Ask a homework question - tutors are online