481. CD4 cells recognize the antigens in association with_____________?
A. MHC I
B. MHC II
C. MHC III
D. B-cell receptor
✅ The correct answer is option MHC II.
Medical
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482. The following statement is true regarding fungal infection__________________?
A. Dermatophyte infection are exclusively man to animal
B. Rhinosporidium causes deep infection in man
C. albicans is not pathogenic to lab animals
D. Candida infection is usually endogenous
✅ The correct answer is option Candida infection is usually endogenous.
483. Which of the following viruses does not infect salivary glands ?
A. Echo virus
B. Hepatitis C
C. HIV
D. Orthomyxovirus
✅ The correct answer is option Orthomyxovirus.
484. All are true about widel test except________________________?
A. Base lines differ depending on the endemicity of the disease
B. O antibodiest last longer and hence is not indicative of recent infection
C. H antigen cannot differentiate between subtypes
D. High titre value in a single widal test is not confirmative
✅ The correct answer is option O antibodiest last longer and hence is not indicative of recent infection.
485. Schuffner’s dots are seen in infection due to_______________?
A. Plasmodium falciparum
B. Plasmodium vivax
C. Plasmodium malariae
D. Plasmodium ovale
✅ The correct answer is option Plasmodium vivax.
486. Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?
A. Capsule
B. Flagella
C. Pili
D. Mesosomes
✅ The correct answer is option Pili.
487. L.D bodies are seen in_______________?
A. Kalahazar
B. Toxoplasmosis
C. Malaria
D. Sleeping sickness
✅ The correct answer is option Kalahazar.
488. The time gap between appearance of Koplik’s spot and cutaneous rash in measles is________________?
A. 24 Hrs
B. 3-4 days
C. 2 weeks
D. 10 days
✅ The correct answer is option 3-4 days.
489. Type IV hypersensitivity reaction is mediated by which of the following________________?
A. B-cells
B. Active T cells
C. NK cells
D. Plasma cells
✅ The correct answer is option Active T cells.
490. The medium of choice for culturing yeast from of dimorphic fungi is_________________?
A. Brain – heart infusion
B. Sabouraud’s
C. Sabouraud’s plus antibiotics
D. Any medium incubated at 35-37°C
✅ The correct answer is option Sabouraud’s plus antibiotics.