Medical Quiz

Excretion in Humans Quiz


Urea is carried from the _______ to the _______.

A. stomach, liver

B. liver, kidneys

C. kidneys, stomach

D. kidneys, liver

Urea diffuses into the ______ of blood.

A. red blood cells

B. eukaryotes

C. plasma

D. white blood cells

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

A. ureter

B. urethra

Lungs are important organs for excretion of

A. carbon dioxide

B. ammonia

C. water

kidneys, ureters, urinary bladder and urethra

A. excretory system

B. digestive system

C. respiratory system

Urea is produced as an excretory substance in human body in

A. urinary bladder

B. liver

C. kidney

Blood enters the kidneys through the ___________.

A. renal arteries

B. renal veins

C. tubules

D. ureter

Filtration of excretory wastes from the blood occurs in

A. ureters

B. collecting tubule

C. nephrons

Urea and uric acid is also known as

A. bile pigment

B. nitrogenous wastes

C. both

D. none of the above

Urea is made from _________.

A. amino acid

B. fat

C. fibre

D. salts

Kidney tubules are also known as __________.

A. Glomerulus

B. Bowman’s capsule

C. Nephrons

D. Tubules

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

The basic functional unit of human kidney is

A. henle’s loop

B. nephron

C. nephridia

there are 3 ureters



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

Largest gland in the human body

A. salivary gland

B. liver

C. sweat gland

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

A. assimilation

B. deamination

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

A. juice

B. water

C. sugar drinks

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

A. stomach

B. intestines

C. kidneys

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

A. urinary bladder

B. urethra

C. ureters

Urea is made in the _______.

A. pancreas

B. liver

C. stomach

D. intestine


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