DISORDERS OF DIGESTIVE SYSTEM Questions in English

(A) The surgical removal of the stomach is known as a gastrectomy.
Following this procedure,food moves too rapidly from the stomach (or the remaining pouch) into the small intestine,a condition known as Dumping syndrome.
This occurs because the stomach's ability to regulate the rate of gastric emptying is lost.

(D) Acute diarrhoea and vomiting lead to the rapid loss of fluids and essential electrolytes from the body.
Sodium $(Na^+)$ and potassium $(K^+)$ are the primary electrolytes lost during these conditions.
Sodium is crucial for maintaining extracellular fluid volume and osmotic pressure,while potassium is essential for intracellular function,nerve impulse transmission,and muscle contraction.
The loss of these ions can lead to severe dehydration,electrolyte imbalance,and cardiac arrhythmias if not corrected promptly.

(C) In humans,a narrow,finger-like tubular projection called the vermiform appendix arises from the caecum.
Inflammation or infection of this vermiform appendix is medically termed as appendicitis.
Therefore,the correct option is $C$.

(B) The vagus nerve ($CN$ $X$) plays a crucial role in the parasympathetic control of the digestive system. It stimulates the secretion of gastric juices,including hydrochloric acid $(HCl)$ and pepsin,in the stomach. Excessive stimulation of the vagus nerve leads to hypersecretion of $HCl$. This excess acid can erode the protective mucosal lining of the stomach and duodenum,resulting in the formation of peptic ulcers.

(B) The vermiform appendix is a small, pouch-like structure attached to the large intestine.
Inflammation of this organ is medically termed as $Appendicitis$.
$Amoebic \text{ dysentery}$ is an infection of the intestines caused by the parasite $Entamoeba \text{ histolytica}$.
$Intestinal \text{ cancer}$ refers to the growth of malignant cells in the digestive tract.
$Appendectomy$ is the surgical procedure to remove the appendix, not the name of the disease itself.

(D) Endoscopy is the most effective diagnostic tool for detecting stomach ulcers. During an endoscopy,a thin,flexible tube with a camera (endoscope) is passed down the throat into the stomach. This allows the doctor to directly visualize the lining of the stomach and duodenum to identify ulcers,inflammation,or other abnormalities. It also allows for tissue biopsy if necessary.

(A) Liver cirrhosis is a condition in which the liver is scarred and permanently damaged.
Chronic,excessive alcohol consumption is one of the most common causes of liver cirrhosis.
Alcohol is metabolized in the liver,and long-term heavy intake leads to inflammation,cell death,and the formation of scar tissue (fibrosis),which eventually impairs liver function.

(B) Jaundice is a disorder of the digestive system where the liver is affected.
In this condition,the skin and eyes turn yellow due to the deposition of bile pigments ($bilirubin$ and $biliverdin$).
This occurs because of the improper functioning of the liver or obstruction in the bile duct.

(B) Jaundice is a condition characterized by the yellowing of the skin and the whites of the eyes due to the deposition of bile pigments.
It is primarily caused by the malfunction of the liver,which is a vital organ of the digestive system.
Therefore,jaundice is classified as a disorder of the digestive system.

(A) : Indigestion is a condition in which food is not properly digested,leading to a feeling of fullness. The primary causes of indigestion include inadequate enzyme secretion,anxiety,food poisoning,overeating,and the consumption of spicy food.

(C) : Jaundice is a disorder of the digestive system. In this condition,the skin and eyes turn yellow due to the deposition of bile pigments. This occurs when bile produced in the liver fails to reach the intestine due to an obstruction in the bile duct. As a result,the bile is absorbed into the blood instead of passing into the duodenum,leading to the yellowing of the skin and eyes.

(A) Cirrhosis is a condition in which the liver is scarred and permanently damaged.
Chronic liver damage from a wide variety of causes leading to scarring and liver failure is known as cirrhosis.
Among the given options,chronic alcohol consumption is one of the most common causes of cirrhosis of the liver.
Therefore,it is considered an alcohol-related disease.

(A) $1.$ Jaundice: The liver is affected,leading to the deposition of bile pigments in the skin and eyes. Thus,$1-q$.
$2.$ Diarrhoea: It is the abnormal frequency of bowel movement and increased liquidity of the faecal discharge,which reduces the absorption of food. Thus,$2-r$.
$3.$ Constipation: In this condition,the faeces are retained within the colon as the bowel movements occur irregularly. Thus,$3-s$.
$4.$ Indigestion: In this condition,the food is not properly digested leading to a feeling of fullness. This is often caused by inadequate enzyme secretion,anxiety,food poisoning,overeating,or spicy food. Thus,$4-p$.
Therefore,the correct match is $(1-q), (2-r), (3-s), (4-p)$.

(C) $1$. Indigestion: In this condition,food is not properly digested leading to a feeling of fullness. It is caused by inadequate enzyme secretion,anxiety,food poisoning,overeating,and spicy food. It does not primarily affect the liver.
$2$. Constipation: In this condition,the bowel movements are irregular or difficult,not regular.
$3$. Vomiting: It is the ejection of stomach contents through the mouth. This reflex action is controlled by the vomit center in the medulla oblongata.
$4$. Jaundice: The liver is affected,where skin and eyes turn yellow due to the deposit of bile pigments. It is not caused by anxiety.

(A) Indigestion is a condition in which the food is not properly digested,leading to a feeling of fullness. The causes of indigestion include inadequate enzyme secretion,anxiety,food poisoning,overeating,and eating spicy food.

(N/A) Causes: The most common cause of inflammation in the intestinal tract is bacterial or viral infection. Infections are also frequently caused by intestinal parasites such as tapeworms,roundworms,threadworms,hookworms,and pinworms.
Diseases caused by digestive tract disorders:
$(i)$ Jaundice: The liver is affected,causing the skin and eyes to turn yellow due to the deposition of bile pigments.
$(ii)$ Vomiting: This is the ejection of stomach contents through the mouth. This reflex action is controlled by the vomit center in the medulla. $A$ feeling of nausea usually precedes vomiting.
$(iii)$ Diarrhoea: An abnormal frequency of bowel movements and increased liquidity of fecal discharge is known as diarrhoea. It reduces the absorption of food.
$(iv)$ Constipation: In constipation,feces are retained within the rectum because bowel movements occur irregularly.
$(v)$ Indigestion: In this condition,food is not properly digested,leading to a feeling of fullness. Causes of indigestion include inadequate enzyme secretion,anxiety,food poisoning,overeating,and consumption of spicy food.

(N/A) In constipation,the faeces are retained within the rectum as the bowel movement occurs irregularly.
The reasons for constipation include lack of water intake,lack of fibre in food,lack of exercise,stress,and certain medications.
In the condition of indigestion,the food is not properly digested,leading to a feeling of fullness.
The causes of indigestion include inadequate enzyme secretion,anxiety,food poisoning,overeating,and consumption of spicy food.

(D) Pernicious anemia is an autoimmune condition where the body cannot produce enough intrinsic factor,a protein secreted by the stomach lining.
Intrinsic factor is essential for the absorption of $Vitamin$ $B_{12}$ in the small intestine.
Without sufficient $Vitamin$ $B_{12}$,the body cannot produce enough healthy red blood cells,leading to anemia.
Therefore,the characteristic feature is the impairment in the absorption of $Vitamin$ $B_{12}$ due to the lack of intrinsic factor in the stomach.

(A) Jaundice is a condition characterized by the yellowing of the skin and the whites of the eyes. This occurs due to the accumulation of bile pigments,specifically bilirubin,in the blood and tissues. When the liver is unable to process bilirubin efficiently or when there is an obstruction in the bile ducts,these pigments deposit in the body,leading to the characteristic yellow discoloration.

(D) The abnormal and frequent movement of the bowel and an increase in the frequency,volume,fluid content,or liquidity of faeces is known as diarrhoea.
Frequent diarrhoea can result in the loss of water (dehydration) and an imbalance of salts or electrolytes in the body.

(C) Lactose intolerance is the inability of certain individuals to digest lactose,the sugar found in milk. This condition occurs due to the deficiency of the enzyme lactase in the small intestine,which is required to break down lactose into glucose and galactose. Therefore,it is specifically related to milk indigestion.

(D) The inflammation of the intestinal tract is a common ailment typically caused by bacterial or viral infections. These pathogens infect the lining of the gut,leading to symptoms such as diarrhea,abdominal pain,and discomfort. Therefore,both bacteria and viruses are primary causative agents for such inflammation.

(B) Celiac disease is an autoimmune digestive disorder that primarily damages the lining of the small intestine. When individuals with this condition consume gluten,their immune system reacts by damaging the villi,which are small,finger-like projections in the small intestine responsible for nutrient absorption. This damage interferes with the body's ability to absorb essential nutrients from food.

(C) Statement $I$ is correct: Indigestion is a condition where food is not properly digested,leading to a feeling of fullness,often caused by inadequate enzyme secretion,overeating,or stress.
Statement $II$ is correct: Constipation involves irregular bowel movements,often due to a lack of dietary fiber,poor lifestyle habits,or stress.
Statement $III$ is incorrect: Milk of magnesia is a laxative used to treat constipation,not a cause of indigestion.
Statement $IV$ is incorrect: The ejection of stomach contents (vomiting) is controlled by the vomit center located in the medulla oblongata of the hindbrain,not the hypothalamus.

(C) Gastroparesis,also known as delayed gastric emptying,is a medical condition characterized by the slowing or complete cessation of the movement of food from the stomach into the small intestine.

(B) Vomiting: It is the ejection of stomach contents through the mouth.
Diarrhoea: The abnormal frequency of bowel movement and increased liquidity of the faecal discharge.
Constipation: In this,faeces are retained within the rectum as the bowel movements occur irregularly.
Indigestion: In this,the food is not properly digested,leading to a feeling of fullness.

(B) For acute constipation,purgatives containing salts of magnesium (such as magnesium sulfate or magnesium hydroxide) are used to stimulate intestinal peristalsis and the evacuation of fluid faeces.
These salts act as osmotic laxatives,which increase the osmotic pressure in the intestinal lumen,thereby drawing water into the intestine.
This process increases the fluidity and volume of the intestinal contents,which in turn triggers peristaltic movements and facilitates bowel evacuation.

(A) Prolonged constipation leads to the accumulation of hard,dry feces in the rectum,which requires excessive straining during defecation.
This persistent pressure can cause the blood vessels in the anal region to become swollen and inflamed,leading to the formation of hemorrhoids (also known as piles).
Therefore,hemorrhoids are a common complication of chronic constipation.

(A) Purgatives containing magnesium salts (such as magnesium sulfate or magnesium hydroxide) are effective in treating acute constipation.
These salts are poorly absorbed from the intestinal tract.
Due to their presence in the intestinal lumen,they increase the osmotic pressure,which prevents the reabsorption of water from the intestine.
This leads to the retention of water in the intestinal lumen,which softens the stool and promotes bowel movement.
Therefore,both the Assertion and the Reason are correct,and the Reason provides the correct explanation for the Assertion.

(B) The assertion is correct because vomiting is defined as the forceful ejection of stomach contents through the mouth,which is controlled by the vomit center in the medulla.
The reason is also correct because irritation and distension of the stomach wall are indeed primary stimuli that trigger the vomiting reflex.
However,the reason does not explain the definition of vomiting provided in the assertion; it only describes the triggers for the process. Therefore,both are correct,but the reason is not the correct explanation of the assertion.

(D) Barry $J$. Marshall and Robin Warren were awarded the Nobel Prize in $2005$ for the discovery of the bacterium $Helicobacter \text{ } pylori$ and its role in gastritis and peptic ulcers.

(C) Jaundice is a disease of the liver. It is characterized by the yellowing of the skin,mucous membranes,and the whites of the eyes. This condition occurs due to hyperbilirubinemia,which is an elevated level of bilirubin in the blood,typically caused by liver dysfunction or obstruction of the bile ducts.

(N/A) The diseases caused due to disorders of the digestive tract include:
$1$. Jaundice: It is a condition where the liver is affected,and skin and eyes turn yellow due to the deposition of bile pigments.
$2$. Vomiting: It is the ejection of stomach contents through the mouth.
$3$. Diarrhea: It is the abnormal frequency of bowel movement and increased liquidity of the fecal discharge.
$4$. Constipation: It is a condition in which the feces are retained within the colon as the bowel movements occur irregularly.
$5$. Indigestion: It is a condition in which food is not properly digested leading to a feeling of fullness.

(D) Disorders of the digestive system can be caused by various pathogens.
$1$. Bacterial infections (e.g.,Salmonella,$E$. coli) and viral infections (e.g.,Rotavirus,Hepatitis $A$) are common causes of gastroenteritis and other digestive issues.
$2$. Parasitic infections are also major contributors to digestive disorders. Tapeworms (Taenia),Roundworms (Ascaris),Threadworms (Enterobius),and Hookworms (Ancylostoma) are common intestinal parasites that cause significant digestive distress.
Therefore,all the listed organisms are pathogens that can cause disorders of the digestive system.

(B) Jaundice is a disorder of the digestive system where the liver is affected.
In this condition,the skin and eyes turn yellow due to the deposition of bile pigments.
It is often caused by an obstruction in the bile duct,which prevents the normal flow of bile.
The pancreas is not primarily affected in jaundice; therefore,the statement that the pancreas is affected is incorrect.

(B) The correct matches are as follows:
$P$. Vomiting $(III)$: It is the ejection of stomach contents through the mouth.
$Q$. Diarrhoea $(I)$: It is the abnormal frequency of bowel movement and increased liquidity of the faecal discharge.
$R$. Constipation $(IV)$: In this condition,the faeces are retained within the colon as the bowel movements occur irregularly.
$S$. Indigestion $(II)$: In this condition,the food is not properly digested leading to a feeling of fullness.
Therefore,the correct sequence is $P-III, Q-I, R-IV, S-II$.

(C) Marasmus is a protein-energy malnutrition $(PEM)$ disorder caused by a deficiency of both proteins and calories.
$I-$ It is typically found in infants less than one year of age.
$II-$ The skin becomes dry,thin,and wrinkled (not thick).
$III-$ There is a significant decline in growth rate and body weight.
$IV-$ Impaired growth and development of the brain and mental faculties are characteristic of Kwashiorkor,not Marasmus.
$V-$ It involves protein deficiency,poor growth,replacement of tissue proteins,wasting of body,and thinning of limbs.
Therefore,statements $I, III,$ and $V$ are correct. However,based on standard textbook options provided,the most accurate selection including the primary clinical features is $I, III, V$. Since the options provided are limited,$I, III, V$ is the best fit.

(A) Constipation is a condition in which the frequency of bowel movements is reduced to less than three times per week or when the stool is hard and difficult to pass. Increasing the intake of dietary fiber (roughage),maintaining adequate hydration by consuming sufficient fluids,and regular physical exercise help in improving bowel motility and relieving constipation.

(B) Diarrhoea is a condition characterized by abnormal frequency of bowel movement and increased liquidity of the faecal discharge. It reduces the absorption of food. The causes of diarrhoea include infections through contaminated food and water,or disorders such as ulcers,colitis (inflammation of the colon),inflammation of the intestine,or irritable bowel syndrome.

(D) Statement $I$ is incorrect because defecation is a voluntary process,not an involuntary one. It involves the relaxation of the external anal sphincter,which is under voluntary control.
Statement $II$ is correct because the accumulation of feces in the rectum causes distension,which triggers stretch receptors. These receptors send signals to the central nervous system,initiating the defecation reflex (egestion).

(B) The statement 'Water soluble bilirubin is toxic to brain cells' is incorrect. In reality,fat-soluble (unconjugated) bilirubin is toxic to brain cells because it can cross the blood-brain barrier,whereas water-soluble (conjugated) bilirubin is not toxic to brain cells.

(B) The correct matching is as follows:
$i$. Jaundice: Characterized by the deposition of bile pigments,leading to the yellowing of the skin and the conjunctiva of the eyes $(c)$.
$ii$. Diarrhoea: Characterized by abnormal frequency of bowel movement and increased liquidity of the faecal discharge. While the options provided are limited,in the context of standard matching,it is often associated with blood in stool $(d)$ in severe cases like dysentery.
$iii$. Vomiting: The ejection of stomach contents through the mouth,which is associated with a nauseatic feeling $(a)$.
$iv$. Constipation: Characterized by the retention of faeces within the colon due to irregular bowel movements,leading to difficulty in defaecation $(b)$.
Therefore,the correct match is $i-c, ii-d, iii-a, iv-b$.

(B) Statement $I$ is correct: Unconjugated (fat-soluble) bilirubin is toxic to brain cells because it can cross the blood-brain barrier,potentially causing kernicterus.
Statement $II$ is correct: Jaundice is a condition characterized by the deposition of bile pigments in the skin and eyes,leading to a yellow appearance. It is also associated with the excretion of pale or whitish stools due to the lack of bile pigments in the intestine.

(D) The correct matches are as follows:
$a$. Marasmus is caused by prolonged protein and calorie malnutrition $(iv)$.
$b$. Indigestion is often caused by eating spicy or oily food,anxiety,or overeating $(i)$.
$c$. Kwashiorkor is a protein deficiency disorder occurring in children $(ii)$.
$d$. Jaundice is caused by abnormal bilirubin metabolism,affecting the liver $(iii)$.
Therefore,the correct matching is $(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)$.

(B) Diarrhea is a condition characterized by frequent,loose,or watery stools.
Common causes include infections (viral,bacterial,or parasitic),inflammation of the intestine (such as in colitis),and malabsorption issues often linked to inadequate enzyme secretion.
An ulcer,specifically a peptic ulcer,is a sore that develops on the lining of the stomach,lower esophagus,or small intestine. While ulcers can cause abdominal pain,nausea,or vomiting,they are not a direct cause of diarrhea.
Therefore,the correct answer is $B$ (Ulcer).

(A) Jaundice is a condition characterized by the yellowing of the skin and the whites of the eyes due to high levels of bilirubin in the blood.
Key symptoms include dark yellow urine (due to excess bilirubin excretion),pale or whitish stools (due to lack of stercobilin),itching of the skin (pruritus caused by bile salt deposition),and a pale or yellowish face.
These symptoms occur because the liver is unable to process bilirubin effectively,which is a common indicator of liver dysfunction or bile duct obstruction.