The body responds to fear or threat by widespread …(H15)

Why is atrial fibrillation much less serious than ventricular fibrillation? 2 points possible

Kwashiorkor is a condition seen in children living in regions of famine. The children are gaunt, have very thin limbs, and an extremely enlarged abdomen due to ascites.  Ascites is the accumulation of fluid in the peritoneal cavity. Explain why ascites occurs in these malnourished children.

The hepatic portal vein carries blood from the intestines to the liver. (A4)

What is considered “bad cholesterol”?  (H21)

After a severe car accident, a person begins to bleed into the pericardial cavity.  The accumulation of fluid causes a condition called cardiac tamponade. What signs and symptoms would you expect as blood fills up the pericardial cavity:a. What would happen to stroke volume and why?  b. What would change would you expect in heart rate and why?c. What change would you expect in blood pressure and why? d. What change would you expect in listen to heart sounds and why? 8 points possible

Local tissue hypoxia (low oxygen) triggers …(H15)   

Vagal (vagus nerve) stimulation of the heart ______ heart rate. (H12)

ID the vessel l

Excessive pressure in the atria stimulates the release of atrial natriuretic peptide (ANP), a hormone that targets the kidney and blood vessels. ANP is released as a negative feed-back.  Based on atrial stretching triggering its release, predict the effect of ANP on urine production (+) and explain why that helps (+).  Predict the effect of ANP on blood vessels (+) and why this helps (+). 4 points possible.