UPSC Mains MEDICAL-SCIENCE-PAPER-I 2021

Describe the formation, course, tributaries and termination of coronary sinus.

Describe the role of cerebellum in maintenance of posture and equilibrium.

A 14-year-old girl presented with low-grade fever, loss of appetite and yellow discolouration of conjunctiva. The attending physician suggested evaluation of liver functions of the patient. Define and classify jaundice.

A 14-year-old girl presented with low-grade fever, loss of appetite and yellow discolouration of conjunctiva. The attending physician suggested evaluation of liver functions of the patient. Describe the laboratory tests for jaundice and their clinical interpretation.

Describe the typical intercostal space.

Compare and contrast the features of Rapid Eye Movement (REM) and non-REM sleep.

Describe the prostate under the following headings : Gross features

Describe the key events occurring in the ovarian cycle with reference to their hormonal basis. Enumerate the diagnostic tests for ovulation.

Discuss the principle and steps involved in Polymerase Chain Reaction (PCR). Mention any five of its applications in clinical medicine.

Write a note on different vitamers of vitamin B6 and write their biochemical role in cellular metabolism.

Elaborate on the hormonal regulation of blood glucose level. Explain in brief the signs and symptoms of hypoglycemia.

Describe the sources, RDA and biochemical significance of vitamin C. Write a note on clinical manifestations of vitamin C deficiency.

Discuss the formation, course and branches of ulnar nerve.

Describe the formation and tributaries of portal vein. List the sites of portacaval anastomosis.

Define 'metastasis'. Enumerate the steps involved in metastasis. Write briefly about the role of stromal elements in metastasis.

Explain the functions of each class of immunoglobulins. Describe the subsets of T-lymphocytes.

List the intestinal and extraintestinal manifestations of amoebiasis.

Discuss about the longer acting insulin analogues. How are they different from insulin preparations? Mention the therapeutic uses and adverse effects of insulin.