Physio Final Exam

1. 26)  Reactive hyperemia is triggered by

1. 27)  The elevated blood pressure that sometimes accompanies pregnancy is known as

28)  In order to cause vasodilation of most vascular smooth muscle, 

1. 29)  Several blood-borne chemicals affect the lumen size of arterioles. Which are NOT paired correctly? 

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1. 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.

1. 32)  Compared to arteries, the velocity of flow of the blood through the capillaries is

1. 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.

1. 34)  Restoring lost fluid from the capillaries back to the circulatory system is one of the major functions 34) of the ________ system.

35) Osmotic pressure resulting from presence of plasma proteins in blood is called ________ pressure.

38) Stretch-sensitive mechanoreceptors known as ________ are located in some artery walls.

39) Blood pressure and flow to the brain are monitored by receptors located in the wall of the

40) When blood pressure is normal, the receptors in arterial walls fire action potentials

41) When blood pressure receptors sense a loss of blood pressure, they ________ their firing rate.

42) Blood pressure and cardiac output can be altered according to

43) When the baroreceptor reflex is triggered by a decline in blood pressure,

44) If a person is bedridden for several days, the baroreceptor reflex may fail upon standing. Why?

1. 87)  ________ refers to the mass movement of fluid between the blood and the interstitial fluid as the result of ________ or ________ pressure gradients. If the direction of bulk flow is into
   the capillary, the fluid movement is called ________. If the direction of flow is out of the capillary, the fluid movement is known as ________.

1. 88)  During the fight-or-flight reaction, ________ is released from the adrenal medulla and binds to ________ receptors, found on the vascular smooth muscle of heart, liver, and
   skeletal muscle arterioles and results in ________ (increased/decreased) blood flow to these organs; the same hormone binds to ________ receptors on other tissues, causing ________ (increased/decreased) blood flow to these organs.

1. 67)  Receptors that monitor blood pressure are called ________.

1. 64)  The turbulent flow of blood causes a noise called a ________ that can be heard through the 64) stethoscope when taking blood pressure.

1. 63)  Capillary exchange involving movement through the cells is called ________ transport.

1. 57)  Norepinephrine binding to alpha receptors on vascular smooth muscle causes ________ and epinephrine binding to alpha receptors on vascular smooth muscle causes ________.

1. 55)  Mean arterial pressure is ________ (indirectly/directly) proportional to ________ and 55) ________ (indirectly/directly) proportional to ________.

1. 52)  The rapid pressure increase that occurs when the left ventricle pushes blood into the aorta 52) can be felt as ________.

1. 51)  Blood pressure is highest in the ________ and decreases continuously as blood flows 51) through the circulatory system, due to ________.

9. Which of the following statements is correct concerningthe renin-angiotensin-aldosteron system?

14. Kidneys regulate systemic blood pressure through the following mechanism:

16. Choose incorrect sentence:

29. Glomerular filtration rate can be determined by calculating real clearance of:

34. Regarding the countercurrent multiplier system:

39. Which immunoglobulin is found secreted in the secondary response?

40. Which of the following hormones helps to maintainblood glucose levels by stimulating gluconeogenesis?

48. During the processing of the glomerular ultra filtrate:

2. Glomerular filtration rate is:

1. MOST OF GLUCOSE THAT IS FILTRATED THROUGH THE GLOMERULUS IS REABSORBED IN THE:

3. Filtration occurs in the:

Which part of nephron is not permeable to water:

1. Secretion occurs in:

6. The antidiuretic effect of vasopressin is maily caused by: