Question:

Match List I with List II

List I & List II
A. Machinery murmur & I. E. coli
B. Guttural pouch empyema & III. Chondroids
C. Edema disease in pig & I. E. coli
D. Tying up & II. Myoglobinuria

*Note: List II elements re-aligned for exact matching:
I. E. coli, II. Myoglobinuria, III. Chondroids, IV. Patent ductus arteriosus
Choose the correct answer from the options given below:

Show Hint

- Continuous machinery murmur = PDA.
- Solid purulent masses in guttural pouch = Chondroids.
- Shiga-toxigenic E. coli in pigs = Edema disease.
- Exertional rhabdomyolysis (tying up) = Myoglobinuria.
  • A-II, B-III, C-IV, D-I
  • A-IV, B-III, C-I, D-II
  • A-IV, B-I, C-III, D-II
  • A-II, B-I, C-III, D-IV
Show Solution
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The Correct Option is B

Solution and Explanation

Step 1: Understanding the Concept:
This question matches specific clinical signs, diagnostic findings, or pathological entities with their corresponding diseases or etiologies in veterinary medicine.
Detailed Explanation:
Let us match the entities in List I with those in List II:
- A. Machinery murmur: A continuous, machine-like murmur heard throughout both systole and diastole is diagnostic for IV. Patent ductus arteriosus (PDA). PDA is a congenital cardiac anomaly where the fetal shunt between the pulmonary artery and aorta fails to close after birth.
- B. Guttural pouch empyema: Bacterial infection of the equine guttural pouch (often caused by Streptococcus equi subsp. equi) leads to the accumulation of purulent exudate. Over time, this exudate can dehydrate and condense into solid, round, stone-like masses called III. Chondroids.
- C. Edema disease in pig: An acute, highly fatal enterotoxemia of weaned pigs caused by specific strains of I. E. coli (Shiga toxin-producing Escherichia coli, STEC). The toxin damages small blood vessels, leading to subcutaneous and mesocolic edema.
- D. Tying up: Also known as exertional rhabdomyolysis in horses, this condition involves severe muscle necrosis during exercise. The breakdown of skeletal muscle fibers releases large amounts of myoglobin into the blood, which is excreted by the kidneys, resulting in dark, red-brown urine, or II. Myoglobinuria.
Therefore, the correct matches are: A-IV, B-III, C-I, D-II.

Step 2: Final Answer:

The matching corresponds to Option (B).
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