MCQ on Hospital Acquired Infections, names and examples of HAI- Medical microbiology

                   MCQ on Hospital Acquired Infections, names and examples of HAI

1) What are the most common types of hospital-acquired infections?
Select the correct answers
a)Catheter-associated urinary tract infections
b)Surgical sites infections
c)Hospital-acquired pneumonia
d)Central line-associated bloodstream infections

2) A few hours old premature baby boy was admitted to the NICU with low birth weight and difficulty in breastfeeding. On the third day the baby developed a fever and experienced discomfort while breathing, other symptoms included poor feeding and irritability at the same time other babies in the care unit were suspected of pneumonia.
Name the most commonly isolated gram negative bacteria in the hospital-acquired pneumonia of neonates?
a) Streptococcus pneumonia
b) Klebsiella pneumonia 
c) Haemophilus influenzae
d) Listeria monocytogens

3) A 72 year old was admitted to the emergency care of the hospital, he suffered from a head injury and concussion due to a fall in the bathroom of his home. After five days in a urinary catheter, he showed the symptoms of urinary tract infection, with hyponatremia which resulted in secondary nausea, fatigue, and confusion. 
Catheter associated urinary tract infection was suspected, and the urine sample was cultured for microbiological identification, gram negative bacilli with greenish pigmentation were identified.
Name the possible pathogen
a) Staphylococcus aureus
b) Clostridium difficile
c) Pseudomonas aeruginosa 
d) Escherichia coli

4) Which of the following factor is Not the possible major risk factor for hospital acquired neonatal infection in NICU?
a) Medical instruments
b) Invasive procedures
c) Prolonged stay time in the care unit 
d) Breastfeeding soon after the delivery 

5) All of the following statements regarding bacteremia and septicemia that occurred during hospitalization are true, Except?
a) The most common pathogens isolated are gram negative bacilli   
b) It may occur after most of the surgical procedures 
c) The infection is seen only in newborns 
d) Prolonged use of intravenous cannula can increase the infection

6)Which of the following might Not be the effective control measures in reducing the hospital acquired infection?
a)Testing of the sterilization technique
b) More use of antibiotics for the infection 
c) Proper attention to the routine hygiene practices
d) Routine sampling for bacteriology and sensitivity testing    

7)Which of the following pathogen is a frequently found multidrug-resistant bacteria in hospitals?
a) Pseudomonas aeruginosa      
b) Mycobacterium tuberculosis
c) Proteus vulgaris
d) Bacillus anthracis

8)The handwashing procedure in the obstetrics and gynecology departments of the hospital drastically reduced the cases of puerperal fever when it was first introduced in the 1840s. 
Name the physician and scientist who first started this procedure
a) Robert Koch
b) Edward Jenner
c) Ignaz Semmelweis
d) Alexander Fleming

9) A newborn with an underdeveloped lung had to stay in hospital for a prolonged period of time. She developed a serious respiratory infection during that time that most probably occurred by the use of contaminated central lines. This type of infection is also called central line-associated bloodstream infection. 
Which of the following pathogen is commonly associated with CLABSI?
a) Mycoplasma pneumonia
b) Coagulase negative Staphylococci 
c) Streptococcus pyogenes
d) Clostridium perfringens

10) Name the least common pathogen for ventilator associated pneumonia 
a) Staphylococcus aureus
b) Klebsiella pneumoniae
c) Mycobacterium tuberculosis 
d) Acinetobacter baumanii

11) According to the CDC which of the following PPE guideline is less important preventive measures taken by the healthcare personnel in control of hospital-acquired infections?
a) Good hand hygiene
b) Proper mask for respiratory protection
c) Sterile gown and gloves
d) Easy and secure eye wears
e) Talking politely to the patients

12) Which of the following age groups people are most susceptible to community-acquired pneumonia?
a) Children 5 to 10 years old
b) All hospitalized patients
c) Adults above 60 years old
d) Children ages 1 to 10 years old 

13) The following pathogen is responsible for the common hospital acquired as well as community acquired gastrointestinal infections, it can survive and stay viable in the surface regions for a prolonged period of time. The organism consists of spores which is resistant and survives even after a thorough cleaning. 
Name the most likely pathogen
a) Clostridium difficile 
b) Penicillium chrysogenum
c) Methicillin-resistant Staphylococcus aureus
d) Bacillus anthracis

14) Which of the following group of people are at major risk for surgical site infections?
a) Children under 18 months old
b) Transplant recipient patients
c) Colon surgery patient
d) All of the above 

15) Which of the following is Not the major pathogen isolated in hospital-acquired Urinary tract infections?
a) Proteus vulgaris
b) Salmonella paratyphi
c) Pseudomonas aeruginosa
d) E. coli 

16) Patients admitted to ICU with COVID-19 infections in India developed fungal infections.
      Which of the following fungus was found to be the causative pathogen 
      also, known as a black fungus?
a) Aspergillus spp
b) Microsporum spp
c) Trichophyton spp
d) Candida spp

17) Which of the following fungal infection is commonly associated with contaminated air and ventilation system failure in hospital-acquired infections?
a) Salmonellosis
b) Nocardiosis
c) Aspergillosis
d) Chromoblastomycosis

18) Central line-associated bloodstream infections (CLABSI), Catheter-associated urinary tract infections (CAUTI), Surgical site infections (SSI) and Ventilator-associated pneumonia (VAP) are the types of HAI categorized by the Centers for Disease Control and Prevention (CDC).

1-a)Catheter-associated urinary tract infections, b)Surgical sites infections, c)Hospital-acquired pneumonia and, d)Central line-associated bloodstream infections
2-b) Klebsiella pneumonia     
3-c) Pseudomonas aeruginosa  
4-d) Breastfeeding soon after the delivery 
5-c) The infection is seen only in newborns
6-b) Overuse of antibiotics for the infection
7-a) Pseudomonas aeruginosa 
8-c) Ignaz Semmelweis
9-b) Coagulase-negative Staphylococci
10-c) Mycobacterium tuberculosis
11-e) None of the above 
12-c) Adults above 60 years old
13-a) Clostridium difficile
14-d) All of the above
15-b) Salmonella paratyphi
16-a) Aspergillus spp
17-c) Aspergillosis
18-a) TRUE