1) The second heart sound i associated with which of the following? a. in rushin

Question

1) The second heart sound i associated with which of the following?

a. in rushing of blood into the ventricles dues to atrial contraction

b. closing of AV valves

c. closing of semilunar valves

d. opeing of semilunar valves

e. none of the above

2, A fast fiber has how many refractory periods?

a. 1 b.2 c.3 d.4 e.5

3. Homeostasis is the ability of the body to :

a. prevent the external environement from changing

b. prevent the internal environment from changing

c. quickly restore changed conditions to normal

e. ignore external stimuli to remain in a state of rest

f. prevent excessive blood loss

4. V1 is placed at which of the following positions?

a. the right sternal border, 4 ICS

b. left sternal boder, 4th ICS

c. midclaviular line, 5th ICS

d. lateral exillary line, 5th ICS

e. midaxillary line, 5th ICS

5. V2 is places at which of the following positions?

a. the right sternal boder, 4 ICS

b. left sternal boder, 4th ICS

c. midclavicular line 5th ICS

e. midaxillary line, 5th ICS

6. V5 is placed at which of the following positions?

a. the right sternal boder, 4 ICS

b. left sternal boder, 4th ICS

c. midclavicular line 5th ICS

e. midaxillary line, 5th ICS

7. V3 is placed at which of the following positions?

a. midway V2 and V4

b. left sternal boder, 4th ICS

c. midclavicular line, 5th ICS

d. lateral axillary line, 5th ICS

e. midaxillary line 5th ICS

Explanation / Answer

1. closing of semilunar valves

2. 2

3. prevent the internal environment from changing

4. the right sternal border, 4 ICS

5. left sternal boder, 4th ICS

6. midaxillary line, 5th ICS

7. midway V2 and V4

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