Physio Final Exam

5. The baroreceptors reflex causes:

28. The increase in renin secretion by kidneys can be induced by:

22. Which of the following statements characterizes vasopressin:

7. The chronic abnormal increase in blood pressure in 46 year old man may be caused by:

8. Increase in systolic blood pressure up to 190 mmHg as measured soon after very intensive physical exercise in a healthy volunteer is:

normal systolic is 120mmHg

6. The overactivity of the vagal nerve will:

Sudden decrease in systolic blood pressure because of peripheral vasodilation will cause:

2. Isovolumic relaxation time is:

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

1. 10)  Angiostatin and endostatin may be useful in the treatment of

1. 12)  Which of the following is occurring during systole?

1. 13)  The mean arterial pressure (MAP) is important because

1. 14)  Blood flow to a tissue will increase if the

1. 15)  Blood pressure is determined by

1. 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.

1. 22)  The matching of blood flow to the changing metabolic needs of a tissue is due to

1. 23)  Myogenic autoregulation means that

25)  Reactive hyperemia is