The Frank-Starling law of the heart states that stroke volume is proportional to ________.
A. the end-diastolic volume
B. the end-systolic volume
C. the afterload
D. contractility
E. the heart rate
Answer: A
You might also like to view...
Afferent fibers from muscle spindle stretch receptors in a muscle make excitatory synaptic contact with motor neurons that innervate the extrafusal fibers of the same muscle.
Answer the following statement true (T) or false (F)
What energizes the myosin head?
a) the actin filaments b) calcium ions c) potassium ions d) ATP hydrolysis reaction e) ADP synthesis
Identify the true statement(s) about the plasma membrane
a. Its lipid region allows most ions to diffuse between the cytosol and ECF. b. Its channels allow cholesterol to diffuse between the ECF and cytosol. c. Some of its carriers transport sodium. d. Its phospholipids are held to one another by CAMs. e. All except its phospholipids are held to one another by CAMs.
In a Leaderless Group Discussion (LGD) applicants are assessed on all of the following factors except
A. Productivity B. Sociability C. Individual prominence D. Group goal facilitation E. All of the above