BIOL 106-Blood Pressure Questions 1. An increase in the activity of the sympathe

Question

BIOL 106-Blood Pressure Questions 1. An increase in the activity of the sympathetic nervous system will cause venomotor tone to a. b. c. d. which will cause venous return to Increase- increase Increase - decrease Decrease - decrease Decrease - increase 2. common type of capillary and are often found in Sinusoidal capillaries are the the a. Least-spleen b.) Most - liver c. Most -skin d. Least -skin 3. Which of the following is the thickest? Tunica interna of a large artery a. b. Tunica intima of a capillary Tunica media of a vein d.) Tunica media of a muscular artery 4. Compared to arteries, veins have: a. b. c. d. A thinner tunica media e. More valves More smooth muscle More oxygenated blood 2 of the above are correct 5 A chanee in the size of the radius of a vessel caused its resistance to increase by a factor of

Explanation / Answer

1. B. Increase Decrease.

2. B. Most, liver.

3. Tunica media of muscular artery.

Tunica media is the thickest layer in arteries.

4. E. 2 of the above are correct.

Veins possess more valves and have thin tunica media as compared to arteries. Arteries have more muscular middle layer ,tunica media.

Related Questions

Navigate

• Browse (All)
• Browse B
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.