Hemodynamics And The Lymphatic System
Hemodynamics and the Lymphatic System. Anatomy and Physiology Practice Test.
- 1.Blood Vessels Require their own blood supply
- A.
True
- B.
False
- 2.Tunica media does not contain:
- A.
Elastic fibers
- B.
Circular smooth muscle
- C.
External elastic lamina
- D.
Internal elastic lamina
- 3.Tunica interna does not contain:
- A.
Basement membrane
- B.
Internal elastic lamina
- C.
Simple squamous epithelium
- D.
Collagen fibers
- 4.Help propel blood onward in spite of ventricular relaxation
- A.
Muscular arteries
- B.
Arterioles
- C.
Elastic arteries
- 5.Distributing arteries- walls are relatively thick- direct blood flow- capable of greater vasoconstriction and vasodilation to adjust rate of flow
- A.
Elastic arteries
- B.
Metarterioles
- C.
Muscular arteries
- 6.Type of capillary: Intercellular clefts are gaps between neighboring cells
- A.
Sinusoids
- B.
Continous capillaries
- C.
Fenestrated capillaries
- 7.Type of capillary: Very large fenestrations. Incomplete basement membrane.
- A.
Fenestrated capillaries
- B.
Continuous capillaries
- C.
Sinusoids
- 8.Type of capillary: Plasma membranes have many holes.
- A.
Sinusoids
- B.
Fenestrated capillaries
- C.
Continuous capillaries
- 9.Veins lack:
- A.
Muscle layer
- B.
Internal and external elastic lamina
- C.
Tunica interna
- 10.Which statement is correct regarding Bulk flow?
- A.
Substances move down concentration gradient
- B.
Passage of substances in vesicles via endo or exocytosis
- C.
Most important
- D.
Substances move down pressure gradient
- 11.Cardiac output =
- A.
Stroke volume / HR
- B.
Stroke volume * HR
- C.
Stroke Volume - HR
- 12.Which is not a factor affecting blood flow
- A.
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- B.
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