Question 1
In red bone marrow newly formed blood cells enter the circulation. You would expect to see many ________ type of capillaries in red bone marrow.
◦ continuous capillaries
◦ metarterioles
◦ sinusoid capillaries
◦ fenestrated capillaries
Question 2
The aorta receives the full force of blood exiting the heart during ventricular systole. Which of the following statements best describes the adaptive anatomy of the aorta?
◦ Elastic fibers are extensive in the tunica media of the aorta and dampen the pulse pressure generated by the heart.
◦ The tunica external of the aorta is nearly absent compared to other vessels.
◦ Smooth muscle is relatively thin in the aorta to increase lumen size and systemic blood flow.
◦ The aorta's tunica media is thick with dense regular connective tissue to withstand the blood's pressure.
Summation of Heart Sounds, Soft S1
Heart Anatomy Model
Internal view of the heart illustrating the heart chambers, heart layers, and major blood vessels as
Location of the heart in the mediastinum of the throrax
Ventricular septal defect