A thrombus forming on an atherosclerotic plaque can cause occlusion of the vessel and an infarction.  What is the most common reason for a thrombus to form on an atherosclerotic plaque?

Which of the choices below is not a functional process performed by the respiratory system?  

When viewing a dissected heart, it is easy to visually discern the right and left ventricles by _________.

A child is vaccinated with the flu vaccine. The vaccine most likely presents the body with ________________________  which activates the immune system to produce antibodies.  These antibodies would be produced by ___________________________.

Lymphoid stem cells give rise to all of the following, except:

An increase in which of these hormones would stimulate the distal convoluted tubule to reabsorb more calcium ions?  

Which of the following hormones surge right before ovulation, which as a result, triggers ovulation?

The portion of the endometrium that sloughs off during menstruation is:

The major hormone secreted from granulosa cells is

These vessels carry oxygenated blood: