Physio Final Exam
Human Body
Human Body
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Flashcards
3. Stroke volume is dependent on:
4. Left ventricular filling pressure is dependent on:
5. Electrocardiography holter monitoring is used for:
4. During relative refractory period:
3. The precence of myelin allows an axon to:
2. What causes the depolarization phase of the action potential:
12. Recording speed is 25 mm/s, R-R interval is 15 mm. What is the heart rate?
11. In quadrant method the right axis deviation is:
10. P-Q interval represents:
8. According to the Frank-Starling law of the heart, cardiac output is directly relate to the:
7. All the following statements concerning the conduction system of the heart are true EXCEPT that the:
6. Contractile ventricular cells receive impulses directly from the:
1. Which of the structures below is characteristic only for cardiac muscle:
4. Absolute refractory period of contractile cells is a period when:
The rhythmicity of the normal cardiac cycle is dependent upon an irritable focus of cardiac tissue called the:
2. The resistance in bronchi increases:
3. During inspiration the intrapleural pressure is:
5. Increased activity of vagal nerve on heart has:
5) Smooth muscle is present in the walls of
6) The highly branched contractile cells that regulate capillary permeability are called
8) The only blood vessels whose walls permit exchange between the blood and the surrounding interstitial fluids are the
10) Angiostatin and endostatin may be useful in the treatment of
12) Which of the following is occurring during systole?
13) The mean arterial pressure (MAP) is important because
14) Blood flow to a tissue will increase if the
15) Blood pressure is determined by
16) The difference between the systolic and diastolic pressures is called the
19) If cardiac output increases and resistance in arterioles does NOT change, what happens to arterial blood pressure?
20) Increased blood volume ________ blood pressure.
22) The matching of blood flow to the changing metabolic needs of a tissue is due to
23) Myogenic autoregulation means that
25) Reactive hyperemia is
26) Reactive hyperemia is triggered by
27) The elevated blood pressure that sometimes accompanies pregnancy is known as
28) In order to cause vasodilation of most vascular smooth muscle,
29) Several blood-borne chemicals affect the lumen size of arterioles. Which are NOT paired correctly?
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30) ________ capillaries are very porous and allow high volumes of fluids to pass through them, whereas ________ capillaries consist of more tightly joined cells that allow a high degree of
selective materials to pass.
31) Sinusoids are modified vessels that replace ________ in some tissues.
32) Compared to arteries, the velocity of flow of the blood through the capillaries is
33) Due to the differences in opposing forces, there is net ________ occurring at the arteriolar end of most capillaries, coupled with net ________ at the venous end.
