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  4. Excretory Products and Their Elimination Chapter-Wise Test 2

Excretory Products and Their Elimination Chapter-Wise Test 2

Correct answer Carries: 4.

Wrong Answer Carries: -1.

What is the function of the renal corpuscle?

Reabsorption of glucose
Ultrafiltration of blood
Formation of concentrated urine
Secretion of ammonia
2

The renal corpuscle (Bowman’s capsule + glomerulus) is responsible for ultrafiltration of blood.

Which type of nephron has a shorter loop of Henle and is primarily involved in filtration?

Juxtamedullary nephron
Cortical nephron
Glomerular nephron
Malpighian nephron
2

Cortical nephrons have a shorter loop of Henle and are mainly involved in filtration, with limited urine concentration.

Which part of the nephron is responsible for the ultrafiltration of blood?

Loop of Henle
Bowman’s capsule
Proximal convoluted tubule
Collecting duct
2

Bowman’s capsule, along with the glomerulus, is responsible for the ultrafiltration of blood.

What is the primary function of the nephron?

Blood circulation
Filtration and excretion of nitrogenous wastes
Digestion of proteins
Respiration
2

The nephron is the functional unit of the kidney responsible for filtering blood and excreting nitrogenous waste in the form of urine.

Which excretory disorder is treated using hemodialysis?

Kidney stones
Diabetes insipidus
Renal failure
Gout
3

Hemodialysis is used to remove waste and excess fluids from the blood in patients suffering from kidney failure.

Which of the following hormones is involved in the regulation of sodium and potassium levels in the kidney?

Insulin
Aldosterone
Thyroxine
Glucagon
2

Aldosterone promotes sodium reabsorption and potassium excretion in the distal convoluted tubule.

Which of the following excretory products is primarily eliminated by aquatic amphibians?

Urea
Ammonia
Uric acid
Creatinine
2

Aquatic amphibians are ammonotelic, meaning they excrete ammonia, which requires large amounts of water for elimination.

What is the function of the renal pelvis in the kidney?

Filtration of blood
Concentration of urine
Storage of urine before excretion
Reabsorption of sodium
3

The renal pelvis collects urine from the nephrons and stores it before passing it into the ureter.

Which of the following statements about kidney function is correct?

The kidneys regulate blood pH by excreting hydrogen ions.
The nephron is the structural and functional unit of the liver.
Urine is directly filtered into the ureter from the glomerulus.
Afferent arteriole carries blood away from the glomerulus.
1

The kidneys regulate blood pH by selectively excreting hydrogen ions and reabsorbing bicarbonate ions.

Which of the following substances is NOT reabsorbed by the nephron and is completely excreted?

Glucose
Amino acids
Urea
Creatinine
4

Creatinine is not reabsorbed by the nephron and is completely excreted in urine.

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