#1
Which of the following is not a mode of transmission for tuberculosis?
Airborne transmission
Direct contact with an infected person
Consuming contaminated food or water
Vector-borne transmission
#2
What is the primary method for preventing the spread of tuberculosis?
Wearing gloves
Using hand sanitizer
Covering the mouth when coughing or sneezing
Wearing a mask
#3
What is the causative agent of tuberculosis?
Streptococcus pneumoniae
Mycobacterium tuberculosis
Staphylococcus aureus
Escherichia coli
#4
Which of the following is a common method for diagnosing tuberculosis?
Blood culture
Urine test
Chest X-ray
Electrocardiogram (ECG)
#5
Which of the following is a common symptom of latent tuberculosis infection?
Persistent cough
Fever
Night sweats
No symptoms
#6
What is the primary difference between latent tuberculosis infection (LTBI) and active tuberculosis disease?
LTBI has no symptoms, while active TB has symptoms
LTBI is more contagious than active TB
LTBI cannot be treated, while active TB can be treated
LTBI is caused by a different bacterium than active TB
#7
Which of the following is a primary characteristic of latent tuberculosis infection (LTBI)?
Presence of symptoms such as cough and fever
Active multiplication of Mycobacterium tuberculosis in the body
Absence of symptoms with a positive tuberculin skin test or blood test
Presence of drug-resistant strains of Mycobacterium tuberculosis
#8
Which of the following is a characteristic symptom of tuberculosis?
Rash
Jaundice
Persistent cough
Muscle weakness
#9
What is the standard treatment regimen for drug-sensitive pulmonary tuberculosis?
6 months of rifampicin and isoniazid
3 months of rifampicin, isoniazid, pyrazinamide, and ethambutol followed by 3 months of rifampicin and isoniazid
9 months of isoniazid and pyrazinamide
12 months of rifampicin, isoniazid, and ethambutol
#10
What is the mechanism of action of isoniazid, a common anti-tuberculosis medication?
Inhibition of cell wall synthesis
Inhibition of DNA gyrase
Inhibition of RNA polymerase
Inhibition of folic acid synthesis
#11
Which of the following statements about multidrug-resistant tuberculosis (MDR-TB) is true?
It is resistant to at least two first-line drugs
It is resistant to all first-line drugs
It is less infectious than drug-sensitive TB
It is easily treatable with standard anti-TB drugs
#12
Which of the following is NOT a risk factor for developing active tuberculosis?
Diabetes
Smoking
Regular exercise
Malnutrition
#13
What is the primary mode of action of rifampicin, a key anti-TB drug?
Inhibition of cell wall synthesis
Inhibition of protein synthesis
Disruption of cell membrane integrity
Inhibition of DNA replication
#14
Which of the following is a potential complication of untreated tuberculosis?
Peripheral neuropathy
Chronic obstructive pulmonary disease (COPD)
Heart failure
All of the above
#15
Which of the following populations is at higher risk of developing tuberculosis?
Children under 5 years old
Adults over 65 years old
Healthcare workers
People living with HIV/AIDS
#16
What is the primary reason for the resurgence of tuberculosis in recent years?
Decreased effectiveness of TB vaccines
Improved diagnostic techniques leading to higher detection rates
Widespread antibiotic resistance
HIV/AIDS epidemic and drug resistance
#17
Which of the following statements about extensively drug-resistant tuberculosis (XDR-TB) is true?
It is resistant to all first-line and some second-line drugs
It is resistant to all first-line drugs only
It is easily treatable with standard anti-TB drugs
It is less infectious than drug-sensitive TB
#18
Which of the following statements regarding the BCG vaccine is true?
It provides lifelong immunity against tuberculosis
It is routinely given to all infants worldwide
It is highly effective in preventing pulmonary tuberculosis in adults
Its effectiveness varies and is higher in preventing severe forms of childhood tuberculosis
#19
Which of the following factors contributes to the development of multidrug-resistant tuberculosis (MDR-TB)?
Incomplete or inadequate treatment of tuberculosis
High socioeconomic status
Routine use of second-line tuberculosis medications
Adequate ventilation in living spaces