MCQ on Coronavirus (Medical Microbiology)

Multiple Choice Question on Coronavirus
1) The first case of  corona virus causing severe acute respiratory syndrome (SARS-CoV) was found in Asia in 2002, which of the following country has the greatest number of confirmed death cases from the virus till date?
a. China
b. Brazil
c. USA
d. Italy

2) When was the first case of the COVID-19 (corona virus disease-19) infection seen in the USA? Select from the options below
a. 2003
b. 2013
c. 2019
d. 2020

3) Which of the following virus does not show flu symptoms in humans?
a. Coronavirus
b. Rhinovirus
c. Rotavirus
d. Influenza virus

4) Which of the following statement is NOT true about the important properties of Coronavirus?
a. Non-Enveloped RNA virus
b. Enveloped RNA virus
c. Distributed around the world
d. Can spread from person to person

5) Coronavirus can cause gastroenteritis in animals. True or False?
a. True
b. False

6) Which of the following people are seen at a higher risk of mortality during the COVID-19 infections?
a. Pregnant women
b. Kids 5-10 years old
c. Men 30- 50 years old
d. Older population

7) There is no proper treatment available for the SARS caused by coronavirus, which of the following is NOT the preventive measures to spread the virus from one person to another?
a. Quarantine of the infected person
b. Travel restriction to the epidemic area
c. Proper laboratory clothing with mask, gloves, and goggles by a health care worker
d. Vaccination during the cold seasons

8) The recent outbreak of the coronavirus infections has spread in many countries and declared a pandemic, an increasing number of deaths have been reported all over the world. Which of the following statements is NOT true about the infection caused by COVID-19?
a. Animal to human transmission have been found
b. Person to person transmission has not been found
c. SARS is the severe respiratory infection caused by coronavirus
d. High fever, cold and difficulty in breathing are the symptoms

9) Middle east respiratory syndrome (MERS) is the type of coronavirus, when was the first case of the virus reported?
a. 2003
b. 2020
c. 2012
d. 2019

10) The most likely source of the MERS-CoV to humans is.............?
a. Dogs
b. Fishes
c. Camels
d. Birds

11) Which of the following is NOT the most common symptoms of infection caused by the corona virus?
a. High fever and chills
b. Cough
c. Difficulty in breathing
d. Vomiting
e. Loss of taste or smell
f. Sore throat

12) Which of the following is NOT the proper specimen for the identification of SARS-CoV?
a. Nasal secretions
b. Urine
c. Blood
d. Stool

13) Which of the following country has reported the highest cases of COVID-19 infections other than USA and Brazil in the year of 2020?
a. India
b. Italy
c. Mexico
d. Spain
e. Russia
f. China

14) New York has the most cases of deaths reported in the USA from COVID-19, how many people all over the country have been reported to be infected in a year 2020?
a.  10 million
b. < 15 million
c. > 15 million
d. 15 million

15) Which of the following antiviral drug is seen as the possible experimental drug for COVID-19 but have not shown 100% positive results by the drug yet?
a. Peramivir
b. Acyclovir
c. Remdesivir
d. Tamiflu

16) According to the Center for Disease Control and Prevention (CDC) the USA, more than 70 percent of people dying from COVID-19 are in which of the following age group?
a. 50 years and below
b. 65 years and above
c. 45 years and above
d. 50 years and above

17) More than 80 million positive confirmed COVID-19 cases has been reported worldwide, about how many confirmed death cases has been reported globally in 2020?
a.  3 million
b. < 200,000
c. < 100,000
d. < 1.5 million

18) Which of the following disease was the recent pandemic disease seen in the last 25 years?
a. 2009 H1N1 
b. 2014 H5
c. 1994 Plague
d. None of the above

19) The origin of the corona virus strain causing SARS and MERS has been found to be from bats, which of the following animal have been found to be the possible host for the COVID-19 that first transmitted to humans in China?
a. Ducks
b. Rats
c. Cows
d. None of the above

20) ................ alcohol is found to be most effective disinfectant for the COVID-19 virus
a. 50 % - 60 %
b. Methyl 
c. 60% -70 %
d. 40% - 50%

21) The COVID-19 was declared as a pandemic disease in early 2020, according to the different health authorities around the world (WHO/ CDC etc.) what preventive measures should be taken by the symptomatic as well as asymptomatic people to stay safe and stop or reduce the spread of the virus? 
a. Use mask to cover the mouth and nose while getting out of the house  
b. Wash hands with soap and warm water for at least 20 seconds
c. Stay at least 6 feet apart from other people in public places
d. Quarantine and stay home as much as possible
e. Isolate yourself from others when the COVID-19 symptoms appear
f. Use hand sanitizer with alcohol concentration of 60 - 70 %
g. All of the above

22) The study on corona virus have shown that COVID-19 remains active outside the host cell and enters the respiratory tract through the mucous membranes, the virus have shown sensitivity to all of the factors, EXCEPT?
a. UV light
b. Hot water
c. Sunlight
d. Very low temperature

23) An increasing number of children hospitalized in different parts of  Europe and USA in are possibly linked to the COVID-19, among those children some of them have shown symptoms of "pediatric multi-system inflammatory syndrome". Experts suggest that the symptoms likely resemble to which of the following condition?
a. Influenza
b. Kawasaki disease   
c. Marasmus disease
d. Toxic shock syndrome

24) In May 2020 one of the pharmaceutical company from the USA announced that Food and drug administration (FDA) have approved and allowed it to start the phase 2 trial of potential vaccine for COVID-19. Phase 2 trials are assessed to observe the efficacy of the vaccine, which of the following is the most correct statement about the phase 2 trial of the vaccines?
a. Few number volunteers who are at risk are given the determined doses of the drug
b. Few group of individuals are given a very small dose of the new drug 
c. Small groups of volunteers are given multiple doses of the drug
d. The efficiency and safety of the drug after it is available in the market is tested during this phase
e. Large group of volunteers including the people at risk are given the determined dose of the drug

25) A 21-year-old male, working in a grocery store in California where the virus has spread, suddenly developed a high fever, fatigue, and body ache similar to the symptoms of regular flu/common cold. He was suspected of COVID-19 by his doctor, since he had mild symptoms and was recommended to isolate and take care of himself at home. If the symptoms get worse such as difficulty in breathing, a confirmation test for COVID-19 must be performed. All of the following statements are true about the diagnosis of COVID-19, EXCEPT?
a. Nasal swab, throat swab, and saliva can be taken as a sample for the detection of the virus
b. The samples taken immediately after the exposure to the virus may give false-negative test results
c. A blood test is the primary diagnostic test for the identification of the virus
d. RT-PCR technique is used as a diagnostic test for the identification of the virus

26) All of the following are the personal protective equipment (PPE) a health care provider should wear when handling and testing both confirmed or suspected COVID-19 patients. Select all the correct answers
a.  Gloves
b. N95 mask
c. Eye protector
d. Gown
e. All of the above

27) The use of mask has been found to be very effective safety precaution in reducing the spread of COVID-19 infection, it is one of the essential preventive measure for the people around the world in 2020. All of the following are the proper uses of mask, Except?
a. Respirator masks and N95 mask should be used by health care workers 
b. Mask should not be worn loosely and it should cover your mouth, chin and nose 
c. Person tested negative for COVID-19 may not require mask in grocery stores     
d. Always handle the strap of the mask while wearing or removing it from the face
e. Must wash hands before and after use of the mask
f. Damp or masks should be discarded, fabric mask can be reused after a wash

28) As of  December 2020 one COVID-19 vaccine was authorized by the FDA for the public, USA and UK approved the use of the vaccine. China have been fast tracking the testing phase trials of vaccine and reached to phase 3 trials, which other country could approve the final developing stages of the vaccine and authorize in the market?
a. India
b. Russia    
c. Australia
d. England

29) Which of the following statements is Not true regarding the recently approved vaccine by the FDA?
a. The single dose of vaccine is sufficient
b. The vaccine dose can be given to 16 and older
c. Mild to moderate side effects are common
d. It is a mRNA type vaccine

30) Which of the following country was the first to authorize the Pfizer-BioNtech COVID-19 vaccine in 2020?
a. USA
b. Russia
c. China
d. UK
e. Italy

1-c) USA
2-d) 2020
3-c) Rota virus
4-a) Non enveloped RNA virus
5-a) True
6-d) All of the above
7-d) Vaccination during the cold seasons
8-b) Person to person transmission has not been found
9-c) 2012
10-c) Camels
11-d) Brown spots around the face
12-b) Urine
13-a) India
14-b) < 15 million
15-c) Remdesivir
16-b) 65 years and above
17-d)< 1.5 million
18-a) 2009 H1N1
19-d) None of the above
20-c) 60% - 70 %
21- g)
22- d)
23- b)
24- d)
25- c)
26- e)
27- c)
28- b)
29- a)
30- d)

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