Podcast
Questions and Answers
Which layer of the blood vessel wall is composed of endothelium and subendothelium?
Which layer of the blood vessel wall is composed of endothelium and subendothelium?
- Vasa vasorum
- Tunica intima (correct)
- Tunica externa
- Tunica media
Which type of blood vessel has the most smooth muscle in its tunica media?
Which type of blood vessel has the most smooth muscle in its tunica media?
- Arteriole
- Elastic artery
- Capillary
- Muscular artery (correct)
What is the thickest layer in veins?
What is the thickest layer in veins?
- Tunica externa (correct)
- Tunica intima
- Vasa vasorum
- Tunica media
Which blood vessel has the smallest diameter?
Which blood vessel has the smallest diameter?
Which of the following is NOT a component of the cardiovascular system?
Which of the following is NOT a component of the cardiovascular system?
What is the main function of the cardiovascular system?
What is the main function of the cardiovascular system?
Which of the following is NOT a type of blood vessel?
Which of the following is NOT a type of blood vessel?
What are the three layers of the heart?
What are the three layers of the heart?
Which type of blood vessels have the thickest tunica media?
Which type of blood vessels have the thickest tunica media?
What is the function of valves in veins?
What is the function of valves in veins?
Which blood vessels are considered capacitance vessels?
Which blood vessels are considered capacitance vessels?
Which type of blood vessels have the largest diameter?
Which type of blood vessels have the largest diameter?
Which type of capillary is found in organs needing rapid exchange of substances between tissues and blood?
Which type of capillary is found in organs needing rapid exchange of substances between tissues and blood?
What is the most common type of capillary?
What is the most common type of capillary?
Which type of capillary has a continuous basal lamina and fenestrations covered by diaphragms?
Which type of capillary has a continuous basal lamina and fenestrations covered by diaphragms?
Where are sinusoidal capillaries primarily located?
Where are sinusoidal capillaries primarily located?
Which layer of the heart consists of endothelium and basal lamina resting on a thin layer of connective tissue?
Which layer of the heart consists of endothelium and basal lamina resting on a thin layer of connective tissue?
What is the purpose of the adventitial smooth muscle in large veins?
What is the purpose of the adventitial smooth muscle in large veins?
What is the main function of the lymphatic system?
What is the main function of the lymphatic system?
What type of muscle fibers are present in the myocardium?
What type of muscle fibers are present in the myocardium?
Which layer of the heart consists of modified cardiac muscle cells specialized for initiation and conduction of electrochemical impulses?
Which layer of the heart consists of modified cardiac muscle cells specialized for initiation and conduction of electrochemical impulses?
What are Purkinje fibers?
What are Purkinje fibers?
During embryological development of the heart, what gives rise to the two endocardial heart tubes?
During embryological development of the heart, what gives rise to the two endocardial heart tubes?
What is the first heartbeat in the developing embryo initiated by?
What is the first heartbeat in the developing embryo initiated by?
During fetal circulation, oxygenated blood is carried from the placenta to the fetal circulation by bypassing the lungs. What happens to this circulation after birth?
During fetal circulation, oxygenated blood is carried from the placenta to the fetal circulation by bypassing the lungs. What happens to this circulation after birth?
What happens to the foramen ovale and umbilical vessels after birth?
What happens to the foramen ovale and umbilical vessels after birth?
At what point in embryological development does the interventricular septum close, dividing the primitive ventricle into two ventricles?
At what point in embryological development does the interventricular septum close, dividing the primitive ventricle into two ventricles?
Which ventricle communicates with the pulmonary trunk and which ventricle communicates with the aorta?
Which ventricle communicates with the pulmonary trunk and which ventricle communicates with the aorta?
What is the purpose of the fetal circulation design?
What is the purpose of the fetal circulation design?
What happens to the foramen after birth?
What happens to the foramen after birth?