One Minute Revision-Counter Current Mechanism |Regulation Of Kidney Function |Atrial Natriuretic Factor |Micturition |Role Of Other Organs In Excretion |Disorders

Introduction |Regulation Of Kidney Function|Micturition|Composition Of Urine|Role Of Other Organs In Excretion|Disorders Of Excretory System |OMR

Regulation OF Kidney Function || Role OF Other Organs in Excretion || Disorders OF Excretory System || Excersice Discussion

Which one plays an important role in counter current mechanism?

Identify the correct statement (s) regarding the human kidney I. It is responsible for the storage of nutrients such as glycogen II. It concentrates the urine by actively transporting water from the filtrate. III. It produces more dilute urine, when the collecting ducts become less permeable to water. IV. The kidney gets rid of urea from the body by secreting it into the descending arm of the loop of Henle. V. It responds to antidiuretic hormone by increasing urine output VI. It reponds to atrial natiutetic factor by decreasing urinary excretion VII. Kidney functions are controlled by negative feedback circuits involving ADH, RAAS and ANF.

Consider the following four statements (i-iv) and select the option that correctly identifies the true (T) and false (F) ones. (i). Atrial natriuretic factor can cause vasodilation (dilation of blood vessels) and thereby decreases the blood pressure. (ii). On an average, 60-70 gm of urea is excreted out per day. (iii). Sebaceous glands eliminate certain substances like NaCl, urea and lactic acid through sebum. (iv). PCT is lined by simple cuboidal brush border epithelium which increases the surface area for reabsorption.