LE 4 - Para Flashcards
- Ring stage trophozoites contains 2 chromatin granules
a. Plasmodium ovale
b. Plasmodium falciparum
c. Plasmodium malariae
d. Plasmodium falciparum
d. Plasmodium falciparum
- mosquitoes
a. japanese b encephalitis
b. paragonimiasis
c. onchocerciasis
d. plague
a. japanese b encephalitis
- invades all red cells regardless of age
a. Plasmodium vivax
b. Plasmodium ovale
c. Plasmodium falciparum
d. Plasmodium malariae
c. Plasmodium falciparum
- Preferred breeding place of aedes mosquito
a. Forest Gump
b. Rice fields
c. Forest swamps
d. Axils of abaca and banana
c. Forest swamps
- Mainstay of malarial diagnosis
a. Antigen capture test
b. Wrights stain
c. Giemsa stain
d. AOTA
c. Giemsa stain
- Flagellate form with the kinetoplast located at the posterior end of the organism
a. Amastigotes
b. Promastigotes
c. Trypomastigotes
d. Epimastigotes
c. Trypomastigotes
- Death from cardiac failure may precede CNS symptoms.
a. T. brucei rhodesiense
b. T. brucei gambiense
c. T. cruzi
d. None of the above
a. T. brucei rhodesiense
- An infected triatomine insect vector (or “kissing bug”) takes a blood meal and releases trypomastigotes in its feces near the site of the bite wound.
a. T. brucei rhodesiense
b. T. brucei gambiense
c. T. cruzi
d. None of the above
c. T. cruzi
- Found in muscles, nerve cells, and reticuloendothelial systems
a. Amastigotes
b. Promastigotes
c. Trypomastigotes
d. Epimastigotes
a. Amastigotes
- The flea is the intermediate host of this parasite.
a. Hymenolepis
b. Paragonimus
c. Dracunculus
d. Ascaris
a. Hymenolepis
- The most common manifestation of acute acquired toxoplasmosis
a. microphthalmia,
b. lymphadenopathy
c. petechial rashes
d. splenomegaly
b. lymphadenopathy
- Which one of the following statements is incorrect regarding fire ants ?
a. injects venom repeatedly
b. does not cause severe life-threatening allergic reaction
c. causes burning and itchy lesion which develop into pustules
d. stings from the abdomen
b. does not cause severe life-threatening allergic reaction
- Formic acid (causes the paralysis) can be found at the base of the stinger.
a. Yellow Jacket Wasp
b. Fire Ant
c. Black Widow Spider
d. Arizona Bark Scorpion
a. Yellow Jacket Wasp
- May cause stabbing pain in the bite area.
a. Yellow Jacket Wasp
b. Fire Ant
c. Black Widow Spider
d. Arizona Bark Scorpion
c. Black Widow Spider
- During an attack, it latches onto the skin with its jaw, then stings from its abdomen
a. Yellow Jacket Wasp
b. Fire Ant
c. Black Widow Spider
d. Arizona Bark Scorpion
b. Fire Ant
- Treatment of choice for malaria in pregnant women
a. halofantrine
b. amodiaquine
C. mefloquine
d. fluoroquine
C. mefloquine
- Very pleomorphic older trophozoites
a. P vivax
b. P malariae
c. P ovale
d. P falciparum
d. P falciparum
Plasmodium falciparum infections are known for having very pleomorphic (variable in shape) older trophozoites compared to the other Plasmodium species that cause malaria in humans. P. falciparum is the most severe form of malaria and can lead to complications and high mortality if not treated promptly and effectively.
- Asexual reproduction of toxoplasma is called
a. cryptozony
b. gametes
c. schizogony
c. schizogony
- Usual host of leshmania are the ff except
a. human
b. dog
c. fox
d. rodent
a. human
- Dark yellow course pigment
a. P ovale
b. P malariae
c. P falciparum
d. P vivax
a. P ovale
Identify common and scientific name
CN: Brown Recluse Spider
SN Loxosceles reclusa
Identify common and scientific name
CN: Black widow spider
SN Latrodectus mactans
What is the typical initial sensation associated with a brown recluse spider bite?
a) Stabbing pain
b) Itchiness
c) Painlessness
d) Burning sensation
c) Painlessness
What can happen to the skin after a brown recluse spider bite?
a) It turns blue
b) It becomes numb
c) It may redden, turn white, blister, and become painful
d) It develops a rash
c) It may redden, turn white, blister, and become painful
In some cases of brown recluse spider bites, what may develop at the bite site?
a) A tattoo
b) An ulcer
c) A bruise
d) A pimple
b) An ulcer
What is the most common progression of symptoms after a brown recluse spider bite?
a) Immediate severe pain
b) Rapid healing with no symptoms
c) Painlessness followed by blistering
d) Swelling without any change in skin color
c) Painlessness followed by blistering
Which of the following is NOT a characteristic of a brown recluse spider bite?
a) Blister formation
b) Painless initial bite
c) Skin turning purple
d) Ulcer formation
c) Skin turning purple
What is a common characteristic of pain associated with a black widow spider bite?
a) Burning sensation
b) Itching
c) Stabbing pain
d) Numbness
c) Stabbing pain
How many red fang marks may be present at the site of a black widow spider bite?
a) None
b) One
c) Two
d) Three
c) Two
In addition to red fang marks, what is another common feature of a black widow spider bite?
a) Blue discoloration of the skin
b) Blister formation
c) Numbness
d) A nodule at the bite site
d) A nodule at the bite site
Which of the following statements is true regarding pain associated with a black widow spider bite?
a) It is always excruciating
b) It is typically painless
c) It may be stabbing or painless
d) It is characterized by itching
c) It may be stabbing or painless
What should you look for when assessing a possible black widow spider bite?
a) Yellow discoloration of the skin
b) One or two red fang marks, redness, tenderness, and a nodule
c) Green-colored skin
d) Presence of blisters
b) One or two red fang marks, redness, tenderness, and a nodule
- All leishmania spp are transmitted by
a. Anopheles Mosquito
b. Tsetse fly
c. Triatoma reduvid bug
d. Sandfly Phlebotomus bug
d. Sandfly Phlebotomus bug
- In the diagnosis of infection with L.donovani, these can be found later in the infection in the RES, spleen, lymph nodes, bone marrow
a. Neilbodies
b. Macrophages
c. LD bodies
d. Chromatidbodies
c. LDbodies
- Rapidly growing intracellular trophozoites of Toxoplasma gondii
a. Bradyzoites
b. Zygote
c. Sporozoites
d. Tachyzoites
d. Tachyzoites
- Slowly multiplying intracellular trophozoites of Toxoplasma gondii
a. Sporozoites
b. Bradyzoites
c. Zygote
d. Tachyzoites
b. Bradyzoites
- In serological studies , a 16-fold increase IgG antibody in a second sample taken 21 days later indicates
a. No infection
b. Acute infection
c. Chronic infection
d. Reinfection
c. Chronic infection
Crabs
A. paragonimiasis
b. plague
c. onchocerciasis
d. japanese b encephalitis
A. paragonimiasis
2 Enlarged host cells
A. P. Falciparum
b. all of the choices are correct
c P. Malariae
D. P. Ovale and Vivax
D. P. Ovale and Vivax
- Quartan nephrois is associated with
a. P. Vivax
b. P Falciparum
c . P. Malariae
D. P. Ovale
c . P. Malariae
Kissing bugs have the following characteristics, EXCEPT:
A. Reaction to its bite is Sensitization
B. They bite usually during the day
C. They inflict painful bites
D. Frequent site of bites is face
B. They bite usually during the day
5Level of maximum parasitemia up to 30,000uL of blood
a. P Ovale
b. P malariae
c. P. Vivax
d P. Falciparum
c. P. Vivax
- the chigger mite is vector of which of the following infections?
a. scrub thypus
b. filariasis
c. dengue
d. thypoid fever
a. scrub thypus
- Mainstay of malarial diagnosis
A. Wright stains
B. Giemsa stains
C. AOTA
D. Antigen capture test
B. Giemsa stains
- The initial chagoma reaction at bite site with periorbital edema if bitten near the eye
a. Romana’s sign
B. Winterbottom’s sign
C. Winter’s sign
D. Racoon sign
a. Romana’s sign
9 48 hours asexual cycle in humans
a. Plasmodium vivax
b. Plasmodium falciparum
c. Plasmodium ovale
d. Plasmodium malariae
a. Plasmodium vivax
10 the continuous cultivation of the erythrocytic phase undergoing schizoony is of critical importance in vaccine development
TRUE
FALSE
TRUE
- one of the following arthropods does not cause envenomization
a. caterpillar hairs
b. tick
c. kissing bugs
d. ants
b. tick
- Treatment of choice for malaria in pregnant women
A. Halofantrine
B. Amodiaquine
C. Mefloquine
D. Fluroquine
C. Mefloquine
13Maggots can produce condition called.
A. sparganosis
b myiasis
c. creeping eruption
d. larva currens
b. myiasis
Myiasis is the condition caused by the infestation of the skin, wounds, or body cavities of a living host by fly larvae (maggots) that feed on the host’s dead or living tissue, liquid body substances, or ingested food. It can occur in tropical and subtropical areas, as well as temperate zones.
- Very pleomorphic older trophozoited
A. P vivax
b P malariae
C. P Ovale
D. P Falciparum
D. P falciparum
Plasmodium falciparum, the parasite responsible for the most severe form of malaria, is known for having very pleomorphic (variable in shape) older trophozoites. This characteristic distinguishes it from other Plasmodium species, such as P. vivax, P. malariae, and P. ovale, which cause malaria in humans but have different morphological features.
- Centipedes do NOT demonstrate this characteristic
A. The thinner the skin bitten, the larger the amount of venom absorbed
B. They have 2 pairs of legs per segment
C. They can cause death
D. The amount of venom introduced depends on its size
B. They have 2 pairs of legs per segment
- The infective stage of Trypanosoma transmitted by the insect vector
A. Promastigote
B. Trypomastigote
C. Epimastigote
D. Amastigote
B. Trypomastigote
- Relapse in 5 years
A. P Falciparum
B. p ovale
C. P vivax
D. P malariae
C. P vivax
Plasmodium vivax is known for having dormant stages (hypnozoites) in the liver that can reactivate and cause relapses of malaria months to years after the initial infection. This can potentially happen up to 5 years after the original infection, making P. vivax notorious for causing relapses.
- Body lice are important vectors of
a. all of the choices
b. epidermic typhus
c. louse borne relapsing fever
d. trench fever
a. all of the choices
- alternative drug for treatment of chloroquine-resistant P. falciparum malaria
a. Amodiaquine
b. fluoroquine
c. halofantrine
d. mefloquine
d. mefloquine
When the host’s red blood cell hemoglobin is broken down, the globin part gives malarial pigment
A. True
B False
B False
- Arthropods that have been shown to cause asthma in children are:
A. House dust mite
B. Cockroaches
C. Both
D. Neither
C. Both
- Asexual reproduction of Toxoplasma is called
A. Cryptozony
B. Gametes
C. Sporogony
D. Schizogony
D. Schizogony
- Usual host of leishmania are the following except:
A. Human
B. Dog
C. Fox
D. Rodent
A. Human
- Blackwater fever is caused by?
A. P. ovale
B. P. malariae
C. P. vivax
D. P. falciparum
D. P. falciparum
- One of the following arthropods role in the transmission of amoebiasis
A. Cockroach
B. Tick
C. Crab
D. Flea
A. Cockroach
- Band shaped trophozites
A. Plasmodium ovale
B. Plasmodium falciparum
C. Plasmodium malariae
D. Plasmodium vivax
C. Plasmodium malariae
27Trypanosoma cruzi is transmitted by
A. Anopholes mosquito
b. Triatoma reduvid bug
c. simulium fly
d. tsetse fly
b. Triatoma reduvid bug
- one of the following statements is incorrect regarding fire ant.which is one?
a. injects venom repeatedly
b. does not caus severe life-threatening allergic reaction
c. causes burning and itchy lesion which develop into pustules
d. stings from the abdomen
b. does not caus severe life-threatening allergic reaction
29 one of the following arthropods does not cause envenomization.
a. tick
b. kissing bugs
c. caterpillar hairs
d. ants
b. tick
- the copepod, a primitive crustacean, is an intermediate host of which parasite?
a. dracunculus
b. Diphyllobothrium
c. both
d. neither
c. both
31 L. Donovani causes
a. Kala-azar
b. Visceral leishmaniasis
c. all of the choices are correct
d. dumdum fever
c. all of the choices are correct