Medical Quiz

Excretion in Humans Quiz


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Urea and uric acid is also known as

A. bile pigment

B. nitrogenous wastes

C. both

D. none of the above


Which of the following is not part of excretion?

A. remove toxic materials

B. remove undigested food

C. remove waste product of metabolism

D. remove substances in excess of requirement


Urea is made in the _______.

A. pancreas

B. liver

C. stomach

D. intestine


Urea is made from _________.

A. amino acid

B. fat

C. fibre

D. salts


Lungs are important organs for excretion of

A. carbon dioxide

B. ammonia

C. water


Blood flows into the liver from the heart and the ________.

A. stomach

B. intestines

C. kidneys


Urine is released and flows into the bladder through the ________.

A. ureter

B. urethra


Kidney tubules are also known as __________.

A. Glomerulus

B. Bowman’s capsule

C. Nephrons

D. Tubules


Filtration of excretory wastes from the blood occurs in

A. ureters

B. collecting tubule

C. nephrons


Largest gland in the human body

A. salivary gland

B. liver

C. sweat gland


Urea diffuses into the ______ of blood.

A. red blood cells

B. eukaryotes

C. plasma

D. white blood cells


there are 3 ureters

A. TRUE

B. FALSE


Which of the following is not a function of the kidney tubules?

A. absorb plasma

B. filter blood

C. decide how much water is excreted

D. remove waste


Blood enters the kidneys through the ___________.

A. renal arteries

B. renal veins

C. tubules

D. ureter


kidneys, ureters, urinary bladder and urethra

A. excretory system

B. digestive system

C. respiratory system


About 90% of kidney stones can pass out through urinary system by drinking _

A. juice

B. water

C. sugar drinks


Urea is carried from the _______ to the _______.

A. stomach, liver

B. liver, kidneys

C. kidneys, stomach

D. kidneys, liver


Urea is produced as an excretory substance in human body in

A. urinary bladder

B. liver

C. kidney


The liver converts amino acids into protein in a process called ___________.

A. assimilation

B. deamination


The basic functional unit of human kidney is

A. henle’s loop

B. nephron

C. nephridia


The muscular tubes which take the urine from the kidneys to the bladder are

A. urinary bladder

B. urethra

C. ureters




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