Which of the following lesions is a fluid- or gas-filled bubble in the skin?

Which markers are found on lymphoblasts?

a. CD10 b. CD19 c. HLA-DR d. All of the above

Vascular compensation for changes in blood pressure decreases with age due to:

A) a 60% to 70% decrease in sympathetic nervous system stimulation and catecholamine release. B) a marked reduction in renal function with increased sodium reabsorption in the renal tubules. C) left ventricular hypertrophy and the subsequent decrease in cardiac output that it causes. D) reduced elasticity of the peripheral vessels secondary to decreases in elastin and collagen.