Exam 2 Questions

Question 1

which of the following properties is the measure of the ease with which a hollow viscus is distended?

elastance
compliance
resistance
distensibility

Answer 1

Compliance

Question 2

ADH is formed by the supraoptic and paraventricular nuclei. It is secreted by specialized neurons from which area?

arenal cortex
adrenal medulla
anterior pituitary
posterior pituitary

Answer 2

Posterior Pituitary

Question 3

what isn’t expressed on venous return curve?

Right atrial pressure
Mean systemic filling pressure
Blood flow resistance between peripheral vessels and right atrium
Cardiac Output

Answer 3

cardiac output

Question 4

Via flick principle, oxygen consumption volume should be divided by?

Difference between [oxygen] in systemic arterial blood and systemic mixed blood

difference between [oxygen] in systemic arterial blood and pulmonary vein

difference between [O] in systemic mixed venous blood and pulmonary vein

difference between [O] in systemic mixed venous blood and pulmonary artery

Answer 4

Difference between [oxygen] in systemic arterial blood and systemic mixed blood

it is not possible to take blood from the pulmonary

Question 5

A 24 y/o woman presents with severe diarrhea. When supine, BP is 90/60mmhg (decreased) and her hr is 100 bpm. When she is moved to standing, hr increases 120 bpm. What accounts for further increase in heart rate?

Answer 5

decreased venous return

loss of fluid due to diarrhea