Use the collocations from exercise 5 in the sentences below

1. Having destroyed ………., place the frog (belly down) upon the board.

2. The frog’s ………. must be fastened with two pins near the hole.

3. Then pull out the ………. and spread it over the hole fastening it with pins at its muscle angles.

4. You should not use force in order to avoid precipitous development of ………..

5. You ought to pay attention to the size of the ………., the separation of the lumen into axial and marginal plasmatic strata and ………..

6. Remember to moisten the frog tongue with ………..

7. For modeling arterial hyperemia place a ………. soaked in turpentine and plant oil on the tongue.

8. Study the normal circulation at ………. (x10).

9. Dissect the ………. and place a ligature beneath it but do not tie.

10. Spread the ………. over the hole in the board fastening its ends with pins.

7 Read the conversation between an examiner and a student. Complete the student’s responses using logical links from the box.

Examiner: As we know,microcirculatory disorders may be easily modeled by using certain translucent organs of a frog. How can we use a frog’s tongue for arterial hyperemia modeling?

Student: 1……… we ought to destruct the spinal cord with a long needle through the spinal canal 2…….. The frog is placed belly down on a board having an elliptic hole at one side 3…….. the lower jaw is fastened with two pins near the hole. 4…….. we ought to pull out the tongue. 5…….. we ought to spread the tongue over the hole fastening it with pins at its muscle angles. 6…….. we should not not use force in order to avoid precipitous development of microcirculation disorders 7…….. we ought to examine the preparation at low magnification (x10). 8…….. we ought to select a portion abundant in blood vessels 9…….. arterioles, venules and capillaries. 10…….. we ought to pay attention to the size of the vessel lumen, blood velocity, separation of the lumen into axial and marginal plasmatic strata. 11…….. we have to count the number of functioning capillaries.