Question 1

Malaria can be caused by at least ________ species of Plasmodium.&#10;A) two&#10;B) three&#10;C) four&#10;D) five

Accepted Answer

Malaria can be caused by four species of Plasmodium: Plasmodium falciparum, Plasmodium vivax, Plasmodium ovale, and Plasmodium malariae. Additionally, there is a fifth species, Plasmodium knowlesi, that can cause malaria in primates, including humans.

Question 2

According to the World Health Organization,about how much of the world's population is at risk for contracting malaria?&#10;A) 20 per cent&#10;B) 50 per cent&#10;C) 60 per cent&#10;D) 90 per cent

Accepted Answer

According to the World Health Organization, approximately 50% of the world's population is at risk of contracting malaria, particularly in regions where the disease is endemic.

Question 3

________ should be assessed before and following a long-term course of therapy using chloroquine or its derivatives.&#10;A) Liver enzyme levels&#10;B) Visual acuity&#10;C) Cardiac enzyme levels&#10;D) Urea and creatinine levels

Accepted Answer

Chloroquine and its derivatives can accumulate in the retina and cause retinopathy, which can lead to irreversible visual loss. Therefore, visual acuity should be assessed before and following a long-term course of therapy to monitor for potential damage.

Question 4

With which of the following antiparasitic agents should alcohol be strictly avoided in order to prevent a disulfiram-like reaction?&#10;A) Paromomycin&#10;B) Nitazoxanide&#10;C) Metronidazole&#10;D) Quinine

Accepted Answer

Metronidazole is known to cause a disulfiram-like reaction when combined with alcohol, leading to symptoms such as flushing, nausea, vomiting, and headache. Therefore, alcohol should be strictly avoided during the administration of metronidazole.

Question 5

Which antibiotic is sometimes used in malaria treatment?&#10;A) Amoxycillin&#10;B) Doxycycline&#10;C) Azithromycin&#10;D) Cephalexin

Accepted Answer

Doxycycline is sometimes used in malaria treatment as it has activity against the malaria parasite and can also prevent secondary bacterial infections. Amoxicillin, Azithromycin, and Cephalexin are not effective against malaria.

Question 6

What should a woman who is pregnant be advised to do when taking atovaquone therapy?&#10;A) Supplement with vitamin D.&#10;B) Supplement with calcium.&#10;C) Supplement with vitamin A.&#10;D) Supplement with folic acid.

Accepted Answer

Pregnant women taking atovaquone therapy should be advised to supplement with folic acid, as this can help prevent birth defects and promote healthy fetal development. Vitamin D and calcium may also be important during pregnancy, but they are not specifically related to atovaquone therapy. Vitamin A supplementation should be avoided during pregnancy, as high doses can be harmful to the fetal development.

Question 7

When using the anthelmintic albendazole to treat intestinal parasites,the person should be advised to take it:&#10;A) with meals.&#10;B) after meals.&#10;C) with milk.&#10;D) before meals.

Accepted Answer

The answer of When using the anthelmintic albendazole to treat...

Question 8

When using hydroxychloroquine as a preventive form of therapy for malaria,it is started:&#10;A) one week before entering and continued for one week after leaving a malaria-affected area.&#10;B) two weeks before entering and continued for two weeks after leaving a malaria-affected area.&#10;C) three weeks before entering and continued for three weeks after leaving a malaria-affected area.&#10;D) one week before entering and continued for four weeks after leaving a malaria-affected area.

Accepted Answer

Hydroxychloroquine, when used as a preventive therapy for malaria, should be started one week before entering a malaria-affected area and continued for four weeks after leaving the area to ensure adequate protection and clearance of potential malaria parasites.

Question 9

The species of malaria that causes the most infections is:&#10;A) P. ovale&#10;B) P. malariae&#10;C) P. vivax&#10;D) P. falciparum

Accepted Answer

P. falciparum is responsible for the most malaria infections worldwide and is also the deadliest species, causing the majority of malaria-related deaths. P. vivax is also a common cause of malaria, but is generally less severe than P. falciparum. P. ovale and P. malariae are less common causes of malaria.

Question 10

It has been estimated that the carrier rate of Entamoeba hystolitica in poorly sanitised areas is:&#10;A) 50 per cent.&#10;B) 20 per cent.&#10;C) 10 per cent.&#10;D) 75 per cent.

Accepted Answer

The carrier rate of Entamoeba hystolitica in poorly sanitised areas is estimated to be 50 per cent.

Question 11

Tapeworms are:&#10;A) cestodes.&#10;B) nematodes.&#10;C) cathodes.&#10;D) trematodes.

Accepted Answer

The answer of Tapeworms are:&#10;A) cestodes.&#10;B) nematodes.&#10;C) cathodes.&#10;D) trematodes....

Question 12

An example of an antimalarial agent that alters mitochondrial function is:&#10;A) chloroquine.&#10;B) mefloquine.&#10;C) primaquine.&#10;D) proguanil.

Accepted Answer

The answer of An example of an antimalarial agent that...

Question 13

Which anthelmintic medication could also be classified as an antibiotic?&#10;A) Ivermectin&#10;B) Praziquantel&#10;C) Tinidazole&#10;D) Mefloquine

Accepted Answer

The answer of Which anthelmintic medication could also be classified...

Question 14

A drug used to treat amoebiasis is:&#10;A) vancomycin.&#10;B) tinidazole.&#10;C) lincosamide.&#10;D) pyrantel.

Accepted Answer

The answer of A drug used to treat amoebiasis is:&#10;A)...

Question 15

Apart from its use as an amoebicide,metronidazole is useful for:&#10;A) malaria.&#10;B) leprosy.&#10;C) anaerobic bacterial infections.&#10;D) staphylococcal infections.

Accepted Answer

The answer of Apart from its use as an amoebicide,metronidazole...

Deck 72: Antiparasitic Agents