exam Flashcards by Seifelislam Bedir Khairi Elsayed Awad

Induction of passive-active
immunity is useful in the prevention
of which one of the following sets of
two viral diseases?
a. Hepatitis A and dengue
b. Influenza and varicella
C. Rubella and measles
d. Hepatitis B and rabies
e. Mumps and yellow fever

Hepatitis B and rabies

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Which of the following is incorrect?
a. Strongyloides can produce an internal reinfection or autoreinfection
b. Trichuris trichiura is transmitted through the skin during walking barefoot on the grass.
C. Most of the intestinal cestodes are treated with praziquantel
d. Scotch Tape test is used for diagnosing Enterobius Vermicularis infection

Trichuris trichiura is transmitted through the skin during walking barefoot on the grass.

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Hydatid cyst
a. Mostly found in forestrangers
b. Is caused by Toxoplasma gondil
C. doesn’t contain infectious agents
d. develops in the liver

develops in the liver

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Which of the following with regards to the river blindness is not correct?
a. It is transmitted by the invasive bite of a black fly
b. Causative agent is Onchocerca Volvulus
C. Microfilariae released from the male worms that cause the most severe damage
d. Visual complications are mainly found in
African men

Microfilariae released from the male worms that cause the most severe damage

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A young male with abdominal pain, bloating, loose stool and weakness. About a month ago he returned from a 3-week hiking and camping trek to the Mount Everest
Base Camp in Nepal. The trek involved only high-
elevation hiking, since he flew in and out of
the 12,000-ft starting point. Which of the following is an important consideration for the diagnosis?
a. The presence of domestic animals en route
b. The source and purification of water
c. Insect bites
d. Exposure to high-level UV radiation

The source and purification of water

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A sexually active 24-year-old woman complains of vaginal itching and vaginal discharge. For diagnosis
of trichomoniasis, you should include which of the
following diagnostic tests?
a. Ova and parasite vaginal smear
b. Enzyme-linked immunoassay (ELISA)
test of serum
C. Ova and parasite fecal smear
Wet mount of vaginal fluid
d. Specific serologic test

Ova and parasite fecal smear
Wet mount of vaginal fluid

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Which of the following
causes development of the
liver abscess ?
a. Echinococcus granulomatous
b. Entamoeba Histolytica
c. Giardia laamblia
d. Trichomonasvaginalis

Entamoeba Histolytica

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Which of the following causes blockage of the bile ducts?
a. Ascariasis lumbricoides
b. Ancylostoma duodenale
c. Plasmodium falciparum
d. STRONGYLOIDES STERCORALIS
StrongyloidesStercoralis

Ascariasis lumbricoides

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Which of the following is correct?
a. Entamoeba histolytica is a
noninvasive protozoa causing mild
diarrhea
b. plasmodium falciparum replicates in old as well as young red blood cells
C. Chagoma is caused by Leishmania donovani
d. Toxoplasma gondii infection leads to fatal outcome in immunocompetent individuals

plasmodium falciparum replicates in old as well as young red blood cells

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Kala-azar is:
a. Caused by Leishmania major
b. caused by the trepanosoma cruzi
c. Is effectively treated with the
metronidazole
d. leads to death if untreated

leads to death if untreated

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The 27-year-old pregnant mother of a child
diagnosed with erythema infectiosum is concerned for the health
of her fetus. What would be the most likely outcome of fetal infection with the virus causing her child’s disease?
a. Patent ductus arteriosus
b. Hydrocephalus
c. Hydrops fetalis
d. Microcephaly
e. Mental retardation

Hydrops fetalis

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Which of the infectious agents are transmitted by tsetse fly?
a. Hantavirus
b. Zika virus
c. Sandfly virus
d. Leishmania spp
e. Trypanosoma brucei gambiense

Trypanosoma brucei gambiense

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Which is the most frequently mutable part of the HIV genome that determines the antigenic variation of the strain?
Gag
Pol
Env
Pro
Mut
a. Pro
b. Env
c. Gag
d. Mut
e. Pol

Env

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Which of the cellular molecules are used by HIV as the receptor for the attachment to the gastrointestinal cells?
a. RANTES
b. CD4
c. CXCR4
d. CCR5
e. Integrin a-4 B-7

Integrin a-4 B-7

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All of the statements with regards to the HIV infection are correct except
a. Opportunistic infections are the main cause of death of AIDS patients
b. In developing countries male and female are equally affected
c. Primary symptoms are nonspecific or absent at all
d.Clinical latency is characterized by symptomatic expression of the infection
e.Period of clinical latency can last up to 10 years

Clinical latency is characterized by symptomatic expression of the infection

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All of the following are the neurological complications for pediatric AIDS patients except ?
a. Behavioral changes
b. Encephalopathy
C. Dementia
d. Meningitis
e. Seizures

Dementia

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Which of the hepatitis viruses are mostly transmitted by sexual contact?
a. HBV
b. HDV
c. HCV
d. HEV
e. HAV

HBV

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An individual is infected with a virus that replicates causing clinical
manifestations. The manifestations
later subside; however, virus is not cleared from the body. Viral replication occurs continuously throughout life.
Which term describes
this type of infection?
a. Chronic
b. Slow
C. Acute
d. Localized
e. Latent

Latent

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Which Hepatitis virus is associated with the increased lethality in pregnant women?
a. HBV
b. HEV
c. HCV
d. HAV

HEV

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10 y/o boy has been admitted with pulmonary distress symptoms. He has a crusty to scared lesions on the body and a history of traveling to Central African countries. Which of the following viral family members can be the cause of the disease?
a. Poxvirus
b. Paramyxoviridae
c. Coronaviridae
d. Picornaviridae
e. Parvoviridae

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Poxvirus

What determined the infecting site of the influenza virus?
a. Synthesis of the specific proteases by the respiratory epithelium
b. Decreased local immunity or the airways
C. specific receptors found only on the respiratory epithelium
d. Dysbiosis of the local microbiota
e. pH of the bronchi

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Synthesis of the specific proteases by the respiratory epithelium

Which of the following agents infecting pregnant women won’t lead to fetal damage or stillbirth?
a. Influenza virus
b. Rubella
c. Toxoplasma gondii
d.B19
e. Cytomegalovirus

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Influenza virus

Virus infecting
gastrointestinal tract has a segmented, double-
stranded RNA genome and a double-shelled capsid.
Which of the viral families does the described virus belong to?
a. Astroviridae
b. Adenoviridae
c. Caliciviridae
d. Coronavirida
e. Reoviridae

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Reoviridae

which of the following viruses can’t replicate without the confecting virus?
a. Chikungunya virus
b. Coronavirus
c. Hepatitis D virus
d. Parainfluenza virus
Parainfluenza virus
e. Hepatitis E virus

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Hepatitis D virus

Which of the following can lead to the Giant-cell pneumonia? a. Rubella in non-immune children b. Parechovirus in AIDS patients c.Measles in children with cellular immunodeficiency d.Influenza in elderly

Measles in children with cellular immunodeficiency

The rational reason for vaccination against Rubella virus is to prevent: a. death of the pregnant women b. encephalitis c. pneumonia in children d. stillbirth and congenital disorders

stillbirth and congenital disorders

Fusion of the infected epithelial cell membranes are found during the infection by: a. Measles virus b. Respiratory syncytial virus c. Influenza virus d.parainfluenza virus Parainfluenza virus

Respiratory syncytial virus

Which of the following protozoal infections are mostly associated with AIDS? a. Trychomonas vaginalis b. Cryptosporidium spp. c. Trypanosoma cruzi d. Entamoeba histolytica

Cryptosporidium spp.

The all are the common characteristics of coronaviruses, except? a. Can cause gastroenteritis b. Are distributed worldwide C. Possess cross-reactive antigens with influenza viruses d. Contain the largest genomes among RNA viruses

Possess cross-reactive antigens with influenza viruses

Vaccinia virus has all of the following attributes except a. Can cause severe localized or disseminated disease. b. Is a live, attenuated monkeypox virus. C. Gene sequences coding for other viral proteins can be inserted into its genome d. Can induce immunity that lasts only a few years. e. Has been in use for more than 300 years.

Is a live, attenuated monkeypox virus.

Patient has been recently diagnosed with HIV infection and the antiretroviral treatment has been administered. After a month his plasma viral load was checked by using RT-PCR. The number of the viral particles wasn't decreased below 10 ^6 copies/mL. What might be the reason for the high levels of viral particles in the blood? a. The test used is not specific and might have led to the false results b. Not enough time has passed for the viral. load to be decreased c. Patient was misdiagnosed d. Before administration of the antiviral drugs susceptibility of the strain wasn't checked

Before administration of the antiviral drugs susceptibility of the strain wasn't checked

Which of the following with regards to leishmaniosis is correct? a. Kala-azar is caused by L. braziliensis braziliensis b. Mucocutaneous leishmaniosis is caled kala-azar C. Produces three forms of leishmaniosis based on the tissue or organ involvement d. transmitted by tsetse fly

Produces three forms of leishmaniosis based on the tissue or organ involvement

which of the following is incorrect with regards to vaccines? a. Adenovirus can be used as a vector for chimeric vaccine production b. Oral live attenuated form of the enterovirus vaccine produces more effective protection c. Live attenuated vaccines are contraindicated in immunocompromised patients d. Live attenuated vaccines usually require booster doses for effective immunity to develop

Live attenuated vaccines usually require booster doses for effective immunity to develop

Cysticercosis is most likely to be acquired by: a. drinking water contaminated with feces of an infected human b. drinking water contaminated with feces of an infected COW. C. ingestion of undercooked pork from an infected pig d. drinking water contaminated with feces of an infected pig. e. ingestion of undercooked beef from an infected COW.

ingestion of undercooked pork from an infected pig

Which of the following with regards to the antigenicity of Influenza virus is correct? a. Only type A undergoes antigenic drift as well as antigenic shift b. Antigenic shift occurs only in B and C types of influenza because they infect only humans c. Antigenic drift takes place because of the genetic reassortment d. Every 10-40 years, new subtype of influenza A appears resulting in pandemic influenza

Every 10-40 years, new subtype of influenza A appears resulting in pandemic influenza

All of the following viruses produce intranuclear inclusion bodies except a. Adenovirus b. Smallpox virus c. Varicella-Zoster virus d. Herpes simplex vIrus

Smallpox virus

Which of the cellular receptors are used by Herpesviruses for the infection? a. Glycosaminoglycans b. proteoglycans c. Glycoproteins d. Spingolipids

Glycosaminoglycans

Which one of the following is most accurate regarding Entamoeba histolytica? a. Entamoeba histolytica infections are limited to the intestinal mucosa and do not spread to other organs. b. in the microscope, E. histolytica is recognized by having two sets of paired flagella. C. Entamoeba histolytica causes "flask-shaped" ulcerations in the colon mucosa d. Domestic animals such as dogs and cats are the main reservoir of E. histolytica.

Entamoeba histolytica causes "flask-shaped" ulcerations in the colon mucosa

After replication herpesviruses establish latent stage by: a. Integration it's DNA in the cellular chromosome b. Residing viral DNA as an episome in the nucleus of the host cell C. Residing viral RNA in the nucleus of the host cell d. Residing viral RNA in the cytoplasm of the host cel

Residing viral DNA as an episome in the nucleus of the host cell

which of the following is true with regards to B19 a. Replicated only within actively growing reticulo-endothelial cells b. Causes chronic anemia in patients with previous hemolytic anemia condition c. Causes transient aplastic crisis in immunocompromised patients d. Belongs to adenovirus family

Replicated only within actively growing reticulo-endothelial cells

19 year old male comes with complaints of fever, sore throat, weakness. He has a history of living in a dormitory while studying in the collage. Physical examination reveals splenomegaly. What is expected to see in the blood tests? a. cytomegalic cells b. anemia c. Heterophil antibodies d. Syncytial cells

Heterophil antibodies

Which of the following is correct? a. Hepatitis B is mostly transmitted by sexual contact b. Hepatitis E is a defective virus c.Hepatitis C is mostly transmitted by sexual contact d.Hepatitis A is the X only hepatitis virus that can be prevented by vaccination

Hepatitis B is mostly transmitted by sexual contact

Which of the following childhood infections doesn't cause rash ? a. Measles b. Rubella virus c. Mumps d. BI9

Mumps

Your patient is a 30-year-old woman who returned from traveling in Eastern Europe 1 week ago. While on the trip, she experienced anorexia, nausea but no vomiting, and abdominal bloating. For the past 2 days, she has had explosive watery diarrhea. An examination of her stool revealed pear-shaped, flagellated, motile organisms. Of the following, which one is the most likely cause of this infection? a. Trichomonas vaginalis b. Cryptosporidium hominis c. Entamoeba histolytica d. Giardia lamblia

Giardia lamblia

A patient presents with a malodorous vaginal discharge, which according to the patient is significantly worse during menstruation. A motile microbe that is considerably smaller than an epithelial cell is detected in the saline wet microscopic preparation and also a stained preparation (shown in the image). What is the diagnosis? a. Gonorrhea b. Bacterial vaginosis c. Candidiasis d. Trichomoniasis e. Chlamydia

Trichomoniasis

Which one of the following is most characteristic of the microscopic changes seen in rabies virus infected cells? a. Inclusion bodies in the nucleus of neurons b. Inclusion bodies in the cytoplasm of macrophages C. Multinucleated giants cells composed of macrophages d. Multinucleated giants cells composed of neurons e. Inclusion bodies in the cytoplasm of neurons

Inclusion bodies in the cytoplasm of neurons

This virus is the most important cause of gastroenteritis in infants and young children. It causes infections that are often severe and may be life threatening, especially in infants. a. Rotavirus, group A b. Parvovirus c. Echovirus d. Orbivirus e. Norwalk virus

Rotavirus, group A

Which area in the world has the highest prevalence of HIV/ AIDS? a. Indian subcontinent b. Southeast Asia C. The United States d. States of the former Soviet Union e. Sub-Saharan Africa

Sub-Saharan Africa

Anemia is associated with which of the following infections? a. Wucheria Bancrofti b. Toxoplasma gondil C. Taenia solium d. Diphylobothrium latum

Diphylobothrium latum

exam Flashcards

(49 cards)