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PrepBank · বিষয়ভিত্তিক প্রশ্ন

Viral Infections

মোট প্রশ্ন২৭এই পাতা২৭প্রতি পাতা১০০
প্রশ্ন দেখুনঅনুশীলন
ঘনত্ব
উত্তর
উত্তরিতবর্তমানপুনরায় দেখুনঅসম্পূর্ণ

Viral Infections

PrepBank · পাতা ১ / ১ · ১–২৭ / ২৭

১.
“Break-bone fever” is suggestive of?
  1. ক
    ক) Lyme disease
  2. খ
    খ) Relapsing fever
  3. গ
    গ) Typhoid fever
  4. ঘ
    ঘ) Dengue fever
ব্যাখ্যা
Severe myalgia seen in Dengue fever is named “break-bone fever”. Other presentations are sudden onset of fever, headache, retroorbital & back pain
২.
Hepatitis virus with DNA core
  1. ক
    ক) A
  2. খ
    খ) B
  3. গ
    গ) C
  4. ঘ
    ঘ) D
৩.
Kaposi’s sarcoma is recurrent infection of
  1. ক
    ক) HSV-1
  2. খ
    খ) HSV-2
  3. গ
    গ) CMV
  4. ঘ
    ঘ) HHV-8
৪.
Antigenic shift & drift occurs in
  1. ক
    ক) Influenza virus
  2. খ
    খ) RSV
  3. গ
    গ) Measles
  4. ঘ
    ঘ) Mumps
৫.
RNA nucleocapsid virus
  1. ক
    ক) Hepatitis A
  2. খ
    খ) Hepatitis B
  3. গ
    গ) Hepatitis C
  4. ঘ
    ঘ) HIV
৬.
Antigenic shift & drift occurs in
  1. ক
    ক) Influenza virus
  2. খ
    খ) RSV
  3. গ
    গ) Measles
  4. ঘ
    ঘ) Mumps
৭.
Non enveloped DNA virus -
  1. ক
    Picorna virus
  2. খ
    Hepadna virus
  3. গ
    Orthomyxovirus
  4. ঘ
    Retrovirus
ব্যাখ্যা
Explanation :
Non enveloped DNA virus :

Parbo virus B19
Papilloma virus
Adeno virus

Enveloped DNA virus :
Herpes virus family
Pox virus family
Hepadna virus.
৮.
Intranasal cocaine users are at risk of which hepatitis virus
  1. ক
    ক) A
  2. খ
    খ) B
  3. গ
    গ) C
  4. ঘ
    ঘ) D
৯.
Which marker is positive in immunized people without infection?
  1. ক
    ক) Anti HBs
  2. খ
    খ) Anti HBC IgG
  3. গ
    গ) HBsAg
  4. ঘ
    ঘ) Anti Hbc IgM
ব্যাখ্যা
Anti HBs is positive in immunized people without infection?
১০.
Bell's palsy associated with -
  1. ক
    Neurodegenerative disorder
  2. খ
    Herpes infection
  3. গ
    Frontal lobe infraction
  4. ঘ
    Thyroid tumor
ব্যাখ্যা
Causes of Bell's palsy :
Idiopathic
Herpes zoster infection
Brainstem infraction
Tumor in the cerebello pontine angle
Acoustic neuroma
Parotid tumor
Fracture of petrous part of temporal bone
১১.
Negri bodies are found in
  1. ক
    ক) Poliomyelitis
  2. খ
    খ) Rabies
  3. গ
    গ) Mumps
  4. ঘ
    ঘ) Rubella
১২.
Which of the following is not a characteristic of rabies virus?
  1. ক
    ক) Bullet shaped
  2. খ
    খ) Enveloped
  3. গ
    গ) Single-strand RNA
  4. ঘ
    ঘ) Positive polarity
ব্যাখ্যা
Rabies virus is bullet shaped, enveloped, single-strand RNA virus of negative polarity. The first step in viral replication is synthesis of full-length copies (postive strands) of the viral genome.
১৩.
Rash is not a prominent feature in
  1. ক
    ক) Measles
  2. খ
    খ) Mumps
  3. গ
    গ) Rubella
  4. ঘ
    ঘ) Parvovirus B19
১৪.
A patient came to you with H/O contamination by HIV positive woman. Western Blot test is done. It is indeterminate. What will you do now?
  1. ক
    ক) Western blot has no value
  2. খ
    খ) Do ELISA
  3. গ
    গ) Repeat after one month
  4. ঘ
    ঘ) Do northern blot
ব্যাখ্যা
Western blot is confirmatory for HIV, if it is indeterminate, we will repeat this after one month.
১৫.
Initial site of infection of VZV in
  1. ক
    ক) Skin
  2. খ
    খ) Nose
  3. গ
    গ) Oropharynx
  4. ঘ
    ঘ) Nerves
১৬.
Which virus commonly causes viral hepatitis?
  1. ক
    ক) Cytomegalovirus
  2. খ
    খ) Dengue virus
  3. গ
    গ) Mumps
  4. ঘ
    ঘ) Rubella
ব্যাখ্যা
Explanation: Hepatitis (A,B,C,D,E), Cytomegalovirus, Epstein–Barr virus, Herpes simplex and Yellow fever virus causes viral hepatitis.
১৭.
HBsAb is positive at
  1. ক
    ক) Acute disease
  2. খ
    খ) Window phase
  3. গ
    গ) Complete recovery
  4. ঘ
    ঘ) Chronic carrier state
১৮.
Antigenic shift & drift occurs in
  1. ক
    ক) Influenza virus
  2. খ
    খ) RSV
  3. গ
    গ) Measles
  4. ঘ
    ঘ) Mumps
১৯.
Mumps usually infects
  1. ক
    ক) Parotid gland
  2. খ
    খ) Sublingual gland
  3. গ
    গ) Submandibular gland
  4. ঘ
    ঘ) Buccal gland
ব্যাখ্যা
Infection with mumps virus resulting in bilateral inflamed parotid glands Orchitis, pancreatitis, and aseptic meningitis may also be present.
২০.
Which of the following is the most common risk factor for developing HCV infection?
  1. ক
    ক) Intravenous drug misuse
  2. খ
    খ) Unscreened blood products
  3. গ
    গ) Vertical transmission
  4. ঘ
    ঘ) Needlestick injury
ব্যাখ্যা
Explanation: Intravenous drug misuse is responsible for more than 90% cases of developing HCV infection
২১.
HHV-8 is responsible for
  1. ক
    ক) Burkitt lymphoma
  2. খ
    খ) Kaposi sarcoma
  3. গ
    গ) Carcinoma of cervix
  4. ঘ
    ঘ) Lymphoma
ব্যাখ্যা
HHV-8 is responsible for kaposi sarcoma
২২.
Wild rabies virus can grow in -
  1. ক
    Nerve cell
  2. খ
    Epithelial cell
  3. গ
    Fibroblast
  4. ঘ
    Stem cell
ব্যাখ্যা
Explanation :
Rabies virus can grow in nerve cell
And transmitted through nerve.
২৩.
Which of the following is DNA virus?
  1. ক
    ক) Hepatitis A
  2. খ
    খ) Hepatitis B
  3. গ
    গ) Hepatitis C
  4. ঘ
    ঘ) Hepatitis E
ব্যাখ্যা
Explanation: Others are RNA viruses.
২৪.
Oral route is the main portal of entry for following virus -
  1. ক
    Japanes B encephalitis virus
  2. খ
    Rubella virus
  3. গ
    Hepatitis A virus
  4. ঘ
    Hepatitis C virus
ব্যাখ্যা
Explanation -
Transmission through Feco-oral route :
Hepatiris A & E
Polio
Rota
Coxsackie
Echo
Nowwalk virus
২৫.
Antigen test usually used for diagnosis of
  1. ক
    ক) HAV
  2. খ
    খ) HBV
  3. গ
    গ) HCV
  4. ঘ
    ঘ) HDV
২৬.
Which defective virus causes hepatitis?
  1. ক
    ক) Hepatitis A
  2. খ
    খ) Hepatitis B
  3. গ
    গ) Hepatitis C
  4. ঘ
    ঘ) Hepatitis D
ব্যাখ্যা
Explanation: Hepatitis D is a defective virus.
২৭.
Hepatitis B related infection -
  1. ক
    ssRNA
  2. খ
    Flaviviridae
  3. গ
    Parenteral, sexual contact
  4. ঘ
    Frequency of chronic liver disease >80%
ব্যাখ্যা
Explanation :
Hepatitis B related infection :
Partially dsDNA
Hepadna virus
Route of transmission  : Parenteral, sexual contact,Perinatal
Frequency of chronic liver disease : 5-10%