Crack Mci Mock Test Paediatrics

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Quizzes Created: 15 | Total Attempts: 27,669
Questions: 20 | Attempts: 372

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Crack mci mock test paediatrics


Questions and Answers
  • 1. 

    First deciduous teeth to appear is

    • A.

      Upper central incisors

    • B.

      Lower central incisors

    • C.

      Lower lateral incisors

    • D.

      Molars

    Correct Answer
    B. Lower central incisors
    Explanation
    The lower central incisors are the first deciduous teeth to appear in a child's mouth. These teeth typically erupt between 6-10 months of age. They are located in the lower front part of the mouth and are important for biting and cutting food. The eruption of the lower central incisors is a normal developmental milestone in a child's oral health.

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  • 2. 

    Down's syndrome is trisomy of chromosome 

    • A.

      5

    • B.

      12

    • C.

      21

    • D.

      22

    Correct Answer
    C. 21
    Explanation
    Down's syndrome is a genetic disorder caused by the presence of an extra copy of chromosome 21. This extra genetic material disrupts the normal development and causes the characteristic physical and intellectual disabilities associated with Down's syndrome. Trisomy 21 is the most common form of Down's syndrome, accounting for about 95% of cases.

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  • 3. 

    Steroids are useful in

    • A.

      Post-sterptococcal glomerulonephritis

    • B.

      Membranous glomerulonephritis

    • C.

      Rapidly progressing glomerulonephritis

    • D.

      Minimal change type

    Correct Answer
    D. Minimal change type
    Explanation
    Steroids are useful in the treatment of minimal change type glomerulonephritis. Minimal change disease is a type of kidney disease that primarily affects children. It is characterized by minimal changes in the appearance of the kidney tissue under a microscope. Steroids, such as prednisone, are commonly used in the treatment of minimal change disease because they have been shown to be effective in reducing inflammation and proteinuria (excessive protein in the urine). Steroids help to suppress the immune response and reduce the abnormal immune activity that leads to kidney damage in minimal change disease.

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  • 4. 

    Not seen in Fallot's tetralogy

    • A.

      ASD

    • B.

      VSD

    • C.

      Pulmonary stenosis

    • D.

      Left ventricular hypertropy

    Correct Answer
    A. ASD
    Explanation
    Fallot's tetralogy is a congenital heart defect characterized by four abnormalities: pulmonary stenosis, ventricular septal defect (VSD), overriding aorta, and right ventricular hypertrophy. ASD (atrial septal defect) is not seen in Fallot's tetralogy. ASD is a different congenital heart defect where there is a hole in the wall (septum) between the two upper chambers of the heart (atria). While VSD, pulmonary stenosis, and left ventricular hypertrophy are all associated with Fallot's tetralogy, ASD is not typically seen in this condition.

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  • 5. 

    Doll's eye phenomenon is also known as

    • A.

      Vagal reflex

    • B.

      Oculocephalic reflex

    • C.

      Automatic reflex

    • D.

      Vital reflex

    Correct Answer
    B. Oculocephalic reflex
    Explanation
    The Doll's eye phenomenon, also known as the Oculocephalic reflex, refers to the involuntary movement of the eyes in the opposite direction of head movement. This reflex is important for maintaining visual stability and is controlled by the brainstem. The term "Doll's eye" is used because the eye movement resembles the way a doll's eyes would move when the head is tilted or turned. The other options listed (Vagal reflex, Automatic reflex, and Vital reflex) do not accurately describe the specific eye movement seen in the Doll's eye phenomenon.

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  • 6. 

    Organism in bronchiolitis is

    • A.

      Adeno virus

    • B.

      Influenza virus

    • C.

      Rhino virus

    • D.

      RSV

    Correct Answer
    D. RSV
    Explanation
    RSV stands for Respiratory Syncytial Virus, which is a common cause of bronchiolitis. Bronchiolitis is an infection that affects the small airways in the lungs, primarily in infants and young children. RSV is highly contagious and spreads through respiratory droplets. It can cause symptoms like coughing, wheezing, difficulty breathing, and fever. RSV is a leading cause of hospitalization in young children and can be especially severe in premature infants or those with underlying health conditions. Therefore, RSV is the correct answer as it is specifically associated with bronchiolitis.

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  • 7. 

    Recurrent respiratory infections occur in the following diseases , except

    • A.

      Bronchiectasis

    • B.

      Ventricular septal defect

    • C.

      Atrical septal defect

    • D.

      Wheezy bronchitis

    Correct Answer
    B. Ventricular septal defect
    Explanation
    Recurrent respiratory infections can occur in various diseases, including bronchiectasis, atrial septal defect, and wheezy bronchitis. However, ventricular septal defect is not typically associated with recurrent respiratory infections. Ventricular septal defect is a congenital heart defect that involves a hole in the wall separating the two lower chambers of the heart. While it can cause symptoms such as shortness of breath and fatigue, it does not directly lead to recurrent respiratory infections.

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  • 8. 

    Match the following Milestone                  Age of achieving I.Social smile          i. 10 months II.Pinch a grasp      ii. 5 months III.Head Holding      iii. 36 months IV. circle coordina- iv. 1.5 months tion

    • A.

      I(i) II(ii) III(iii) IV(iv)

    • B.

      I(ii) II(i) III(iv) IV(iii)

    • C.

      I(iii) II(ii) III(i) IV(iv)

    • D.

      I(iv) II(iii) III(ii) IV(i)

    Correct Answer
    D. I(iv) II(iii) III(ii) IV(i)
  • 9. 

    The sequence of chages in status ashthmaticus is I. Respriatory acidosis II. Respiratory alkalosis III. Metabolic acidosis IV. Metabolic acidosis

    • A.

      I,II,III

    • B.

      II,I,III

    • C.

      I,III,IV

    • D.

      II,I,IV

    Correct Answer
    B. II,I,III
    Explanation
    The correct sequence of changes in status asthmaticus is respiratory alkalosis, followed by respiratory acidosis, and then metabolic acidosis. This is because during an asthma attack, there is initially hyperventilation, leading to a decrease in carbon dioxide levels and respiratory alkalosis. As the attack worsens, the individual becomes fatigued and unable to maintain adequate ventilation, resulting in respiratory acidosis. Finally, prolonged respiratory acidosis can lead to compensatory metabolic acidosis due to the retention of carbon dioxide.

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  • 10. 

    Match the following I. Normal child                    i. Delayed S2 II. Hypertrophic cardiomy- ii. S3 opathy III. Pulmonary stenosis      iii. S4 IV.Atrial septal defect          iv. Delayed P1

    • A.

      I(i) II(ii) III(iii) IV(iv)

    • B.

      I(i) II(ii) III(ivi) IV(iii)

    • C.

      I(ii) II(iii) III(i) IV(iv)

    • D.

      I(iv) II(ii) III(iii) IV(i)

    Correct Answer
    C. I(ii) II(iii) III(i) IV(iv)
  • 11. 

    Subdural effusion occurs in children with

    • A.

      Tuberculous meningitis

    • B.

      Trauma

    • C.

      Pyogenic meningitis

    • D.

      Viral encephalitis

    • E.

      Polio encephalomyelitis

    Correct Answer
    C. Pyogenic meningitis
    Explanation
    Pyogenic meningitis is the correct answer because subdural effusion is a common complication of this condition. Pyogenic meningitis is an infection of the meninges, the protective membranes surrounding the brain and spinal cord, caused by bacteria. The infection can lead to the accumulation of fluid in the subdural space, resulting in subdural effusion. This can cause symptoms such as headache, fever, neck stiffness, and neurological deficits. Tuberculous meningitis, trauma, viral encephalitis, and polio encephalomyelitis may have other complications or manifestations, but they are not specifically associated with subdural effusion.

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  • 12. 

    Commonest cause of systemic hypertension in children is

    • A.

      Coarctation of aorta

    • B.

      Acute glomerulonephritis

    • C.

      Nephrotic syndrome

    • D.

      Lactic acidosis

    Correct Answer
    B. Acute glomerulonephritis
    Explanation
    Acute glomerulonephritis is the commonest cause of systemic hypertension in children. This condition occurs due to inflammation of the glomeruli in the kidneys, leading to impaired kidney function and increased blood pressure. The inflammation can be caused by various factors such as infections, autoimmune disorders, or certain medications. Hypertension is a common manifestation of acute glomerulonephritis and can be a result of fluid retention and increased renin-angiotensin-aldosterone system activity. Coarctation of aorta, nephrotic syndrome, and lactic acidosis can also cause hypertension, but they are not as common in children as acute glomerulonephritis.

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  • 13. 

    Epiphyseal dysgenesis is a pathognomonic feature of

    • A.

      Hypoparathyroidism

    • B.

      Hyperparathyroidism

    • C.

      Hypothyroidism

    • D.

      Hyperthyroidism

    Correct Answer
    C. Hypothyroidism
    Explanation
    Epiphyseal dysgenesis refers to the abnormal development of the epiphysis, which is the rounded end of a long bone. This condition is commonly seen in individuals with hypothyroidism, a disorder characterized by an underactive thyroid gland. The thyroid gland plays a crucial role in bone development and metabolism, and a deficiency in thyroid hormones can lead to impaired bone growth and development. Therefore, epiphyseal dysgenesis is considered a pathognomonic feature of hypothyroidism.

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  • 14. 

    Bacterial meningitis in a 9 months old child is commonly caused by

    • A.

      H. influenza

    • B.

      M.tuberculosis

    • C.

      Pneumococcus

    • D.

      Strptococcus

    Correct Answer
    A. H. influenza
    Explanation
    Bacterial meningitis in a 9-month-old child is commonly caused by H. influenza. H. influenza, or Haemophilus influenzae, is a bacteria that can cause severe infections, including meningitis, especially in young children. It is one of the leading causes of bacterial meningitis in infants and young children. Other common causes of bacterial meningitis in this age group include Streptococcus pneumoniae (pneumococcus) and Group B Streptococcus. However, in this case, H. influenza is the most likely cause based on the information given.

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  • 15. 

    Physiological Icterus usually appears on the ........................... and regress by the...............

    • A.

      First day and third day

    • B.

      Third day and Seventh day

    • C.

      Third day and ninth day

    • D.

      Ninth day and eleventh day

    Correct Answer
    B. Third day and Seventh day
    Explanation
    Physiological Icterus usually appears on the third day and regress by the seventh day.

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  • 16. 

    United Nations International Children's years was

    • A.

      1971

    • B.

      1973

    • C.

      1977

    • D.

      1979

    Correct Answer
    D. 1979
    Explanation
    The correct answer is 1979. The United Nations International Children's Year was a global initiative aimed at promoting the welfare and rights of children. It was observed in 1979, with the goal of raising awareness about the challenges faced by children worldwide and advocating for their well-being. This initiative helped to highlight the importance of child rights and led to the adoption of the Convention on the Rights of the Child in 1989.

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  • 17. 

    Height in inches and weight in pounds are equal by the age of

    • A.

      3 years

    • B.

      4 years

    • C.

      5 years

    • D.

      6 years

    Correct Answer
    B. 4 years
    Explanation
    By the age of 4 years, it is common for a child's height in inches and weight in pounds to be equal. This is because children experience rapid growth and development during their early years, and their weight tends to catch up with their height by this age. However, it is important to note that this may vary from child to child, as growth patterns can differ.

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  • 18. 

    Incidence of congenital hypertrophic pyloric stenosis is highest in

    • A.

      First female babies

    • B.

      First male babies

    • C.

      Second male

    • D.

      Second female

    Correct Answer
    B. First male babies
    Explanation
    The correct answer is "First male babies." Congenital hypertrophic pyloric stenosis is a condition where the muscle in the lower part of the stomach thickens, causing blockage of food from entering the small intestine. It is more commonly found in first-born males, with a higher incidence rate compared to other groups. The exact reason for this is not fully understood, but it may be related to genetic or environmental factors.

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  • 19. 

    According to the united Nations state of World population Report for 1992 , number of babies born every year is

    • A.

      51 million

    • B.

      73 million

    • C.

      87 million

    • D.

      97 million

    Correct Answer
    D. 97 million
    Explanation
    According to the United Nations State of World Population Report for 1992, the number of babies born every year is estimated to be 97 million. This statistic indicates the high global birth rate during that time period.

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  • 20. 

    Worm infections associated with Vit -A deficiency

    • A.

      Whip worm

    • B.

      Hook worm

    • C.

      Round worm

    • D.

      Pin worm

    Correct Answer
    C. Round worm
    Explanation
    Roundworm infections are commonly associated with vitamin A deficiency. Vitamin A plays a crucial role in maintaining the integrity of the immune system and protecting against various infections, including worm infections. Roundworms, also known as Ascaris, are one of the most common types of parasitic worms that infect humans. These worms can cause a range of symptoms, including abdominal pain, diarrhea, and malnutrition. Vitamin A deficiency weakens the immune system and makes individuals more susceptible to roundworm infections. Therefore, roundworm is the correct answer in this context.

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