Medical Student Finals Question Bank

Calcific degeneration is the most common cause of aortic stenosis in the elderly population. It is a degenerative process that occurs due to the accumulation of calcium in the aortic valve.

Membranous nephropathy is characterized by the presence of immune complexes within the glomeruli, which results in thickening of the basement membrane and inflammation.

A population is the entire group of individuals or objects of interest in a study, while a sample is a smaller group of individuals or objects selected from that population to represent the population as a whole.

The type I error is also known as a false positive and type II error is also known as a false negative.

This patient presents with acute decompensated heart failure and needs prompt therapy to remove the excess fluid and improve symptoms. Furosemide is a potent loop diuretic that can rapidly remove fluid and reduce symptoms. GTN and oxygen can also be used to reduce preload and improve dyspnoea, but diuretics should be the first-line therapy in this situation. Digoxin and morphine may be considered in the management of heart failure, but they should not be used as the initial therapy in this case.

Minimal change disease is the most common cause of nephrotic syndrome in children, and the cause is often idiopathic.

The patient's symptoms of fever, rash, and joint pain, as well as the positive results for ANA and anti-dsDNA antibodies are indicative of SLE.

A t-test is used to compare the means of two groups, in this case the new drug group and the placebo group. It is appropriate to use an unpaired t-test because the primary outcome measure (reduction in SBP) is continuous and the two groups are independent.

The most common histological finding in membranous glomerulonephritis is immune complex deposits in the glomerular basement membrane.

Hyperthyroidism is characterized by low TSH and high FT4 and FT3 levels. The low thyroglobulin levels, which should be elevated in hyperthyroidism, suggest that the patient is taking exogenous thyroxine.

t-test is a statistical test used to compare the means of two groups, either independent or paired. It's used to determine if there is a significant difference between the means of two groups.

Early diastolic murmurs are heard during diastole and are caused by a stenotic mitral valve. They are usually heard best at the apex of the heart and can radiate to the axilla.

Macular degeneration is a progressive disease of the retina that causes loss of central vision and affects the macula, the part of the eye responsible for sharp, detailed vision. It is a common cause of vision loss in the elderly and is often painless.

Pansystolic murmurs are caused by mitral regurgitation and tricuspid regurgitation. They are usually heard best at the apex of the heart and can radiate to the axilla.

The examination findings of a pansystolic murmur heard best at the apex are consistent with mitral regurgitation.