Jaundice is a disorder of

$A$ : Vomiting is the forcible expulsion of the contents of the upper gastrointestinal tract through the mouth.
$R$ : The strongest stimuli for vomiting are irritation and distension of the stomach.

Excessive stimulation of the vagus nerve in humans may lead to

Match the disease in Column-$I$ with their causes in Column-$II$. Select the correct option from the choices given below.

Column-$I$	Column-$II$
$a$. Marasmus	$i$. Eating spicy oily food
$b$. Indigestion	$ii$. Protein deficiency disorder
$c$. Kwashiorkor	$iii$. Abnormal bilirubin metabolism
$d$. Jaundice	$iv$. Prolonged protein malnutrition

Match the diseases in Column-$I$ with their symptoms in Column-$II$. Select the correct answer from the options given below.

Column-$I$	Column-$II$
$i$. Jaundice	$a$. Associated with nauseatic feeling.
$ii$. Diarrhoea	$b$. Difficulty in defaecation.
$iii$. Vomiting	$c$. Yellowness of conjunctiva of eyes.
$iv$. Constipation	$d$. Blood in stool.

Prolonged constipation may cause: