BIO/291 Week 2 Question 1
The three layers of both arteries and veins are:
Tunica intima, tunica media, and tunica adventitia
Pia mater, arachnoid mater, and dura mater
Tunica media, tunica adventitia, and tunica externa
Tunica externa, tunica interna, tunica adventitia
Internal and external elastic laminae are found in:
Valves are found in which of the following?
When the diameter of the vascular lumen decreases in size, it is called:
When the diameter of the vascular lumen increases in size, it is called:
Which layer is only found in capillaries?
BIO/291 Week 2 Question 7
Which of the following vessels would have the highest blood pressure?
Consist of a continuous endothelium and continuous basement membrane
Contain small pores in the endothelium
Contain large discontinuous pores in the endothelium and basement membrane
Do not exist
BIO/291 Week 2 Question 9
In which of the following would blood pressure be the lowest?
BIO/291 Week 2 Question 10
Which of the following statements correctly describes a capillary bed?
Blood pressure is lower at the arterial end than the venous end of the capillary bed
Reabsorption occurs at the arterial end and filtration occurs at the venous end
High blood pressure and filtration both occur at the venous end of the capillary bed
High blood pressure and filtration both occur at the arterial end of the capillary bed
BIO/291 Week 2 Question 11
Which of the following would occur if the pre-capillary sphincters in the metarterioles were to all undergo vasoconstriction at the same time?
Blood pressure would dramatically increase
Heart rate and respiration would increase
Blood pressure would dramatically decrease
Blood volume would increase
BIO/291 Week 2 Question 12
Approximately what percent of interstitial fluid is not reabsorbed at the venous end of the capillary bed?
BIO/291 Week 2 Question 13
What is the name of the structure that connects the arteriole and venule sides of a capillary bed?
What venous structure collects blood from the upper extremity and head?
Inferior vena cava
Superior vena cava
Which of the following would cause vasodilation?
Decreased sympathetic stimulation
Increased sympathetic stimulation
Decreased parasympathetic stimulation
Increased parasympathetic stimulation