Multiple Choice QuestionsSliding filament theory can be best explained as
When myofilaments slide pass each other actin filaments shorten while mysoin filament do not shorten
Actin and Myosin filaments shorten and slide pass each other
Actin and Myosin filaments do not shorten but rather slide pass each other
Actin and Myosin filaments do not shorten but rather slide pass each other
Which of the following does not favour the formation of large quantities of dilute urine?
Alcohol
Caffeine
Renin
Renin
Which one of the following correctly explains the function of a specific part of a human nephron?
Henle's loop - most reabsorption of the major substances from the glomerular filtrate
Distal convoluted - reabsorption of ion into the surrounding blood capillaries
Afferent arteriole - carries the blood away from the glomerulus towards renal vein
Afferent arteriole - carries the blood away from the glomerulus towards renal vein
Which one of the following is not a part of a renal pyramid?
Convoluted tubules
Collecting ducts
Loops Henle
Loops Henle
When a neurone is a resting state, ie, not conducting any impulse, the axonal membrane is
equally permeable to both Na+ and K+ ions
impermeable to both Na+ and K+ ions
comparatively more permeable to K+ ions and nearly impermeable to Na+ ions
comparatively more permeable to K+ ions and nearly impermeable to Na+ ions
Which one of the following statements is correct with respect to kidney function regulation?
Exposure to cold temperature stimulates ADH release
An increase in glomerular blood flow stimulates formation of angiotensin II
During summer when body loses lot of water by evaporation, the release of ADH is suppressed
During summer when body loses lot of water by evaporation, the release of ADH is suppressed
Which one of the following statements in regard to the excretion by the human kidneys is correct?
Descending limb of Loop of Henle is impermeable to water
Distal convoluted tubule is incapable of reabsorbing HCO3
Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules
Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules
The principal nitrogenous exceretory compound in humans is synthesised
in kidneys but eliminated mostly through the liver
in kidneys as well as eliminated by kidneys
In liver and also eliminated by the same through bile
In liver and also eliminated by the same through bile
Consider the following four statement (1-4) regarding kidney transplant and select the two correct ones out of these
1) Even if a kidney transplant is proper the recipient may need to take immuno- suppressants for a long time
2)The cell-mediated immune response is responsible for the graft rejection
3) The B-lymphocytes are responsible for rejection of the graft
4) The acceptance of rejection of a kidney transplant depends on specific interferons
The two correct statements are
(2) and (3)
(3) and (4)
(1) and (3)
(1) and (3)
Given below are four statements (A-D) regarding human blood circulatory system
Arteries are thick -walled and have narrow lumen as compared to veins
Angina is acute chest pain when the blood circulation to the brain reduced.
Persons with blood group-AB can donate blood to any person with any blood group under ABO system
Persons with blood group-AB can donate blood to any person with any blood group under ABO system
