VBS 2032 EXAM 4 QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
Blood agar plates can detect the presence of this virulence factor: - Answers hemolysin
What is the key reason why there is no effective vaccine against Streptococcus pyogenes? - Answers
the number of antigenic variants
Septic shock is characterized by: - Answers -organ damage
-activation of complement
This is sometimes elevated in urine when Gram-negative bacteria infect the bladder. - Answers nitrite
These two laboratory tests are used to detect different sugar fermentation byproducts: - Answers
methyl red (MR) and Voges-Proskauer (VP)
The gland that secretes tears is called: - Answers lacrimal
Most upper respiratory tract infections are cause by: - Answers viruses
The host specificity of a flu virus is dependent on the hemagglutinin type. - Answers TRUE
A hospital-acquired pneumonia that is characterized by red sputum and is often resistant to
treatment with common antibiotics is likely caused by: - Answers Klebsiella pneumoniae
The characteristic hot, cold, wet paroxysms of malaria are the result of: - Answers production of
reproductive gametocytes
Which of the following commonly indicate the presence of a urinary tract infection? - Answers -blood
(BLO)
-Nitrite (NIT)
-LEU (leukocytes)
Coronaviruses are responsible for: - Answers -some forms of the cold
-MERS
-COVID-19
We have a vaccine that protects people against:
-RSV
-strep throat
-strep pneumonia
-legionella pneumonia - Answers Pneumococcal (Strep) pneumonia -- MOST common cause of
serious cases
An alpha hemolytic coccus would produce________ around a colony on a blood plate and would
appear ______ shaped under the microscope. - Answers a green halo; spherical
Bacteria and protozoa: - Answers -unicellular
-ribosomes
Use of the BCG vaccine in the United States is discouraged because: - Answers -incidence of TB is low
-it causes a positive Mantoux test
True or False? Most people infected with M. tuberculosis develop active TB (ATBD). - Answers FALSE
Drugs used to treat HIV infection target: - Answers -reverse transcriptase
-viral integrase
-viral protease
-attachment/membrane fusion
During the asymptomatic phase of infection: - Answers the number of CD4+ lymphocytes decreases
The most common bacterium to cause UTI's is: - Answers E. Coli
Pyelonephritis is an infection of the: - Answers kidneys
Syphilis is easily diagnosed by its clinical symptoms (T or F) - Answers FALSE
Mycobacterium tuberculosis can evade the host immune system by: - Answers reproducing inside
macrophages
Infection with Mycoplasma pneumoniae can be treated with the cell wall inhibitor, ampicillin (T or F).
- Answers FALSE
Flu infection directly damages these cells, which can lead to secondary bacterial infections. - Answers
ciliated epithelial cells
The host specificity of a flu virus is dependent on its hemagglutinin (HA) type (T or F). - Answers TRUE
Which of the following is/are characteristic(s) of septic shock?(Check all that apply.) - Answers -
elevated HR
-immune cell apoptosis
What are the target cells for Epstein-Barr (EBV) infection? - Answers B lymphocytes
Blood agar plates can detect the presence of this virulence factor: - Answers hemolysin
What is the key reason why there is no effective vaccine against Streptococcus pyogenes? - Answers
the number of antigenic variants
Septic shock is characterized by: - Answers -organ damage
-activation of complement
This is sometimes elevated in urine when Gram-negative bacteria infect the bladder. - Answers nitrite
These two laboratory tests are used to detect different sugar fermentation byproducts: - Answers
methyl red (MR) and Voges-Proskauer (VP)
The gland that secretes tears is called: - Answers lacrimal
Most upper respiratory tract infections are cause by: - Answers viruses
The host specificity of a flu virus is dependent on the hemagglutinin type. - Answers TRUE
A hospital-acquired pneumonia that is characterized by red sputum and is often resistant to
treatment with common antibiotics is likely caused by: - Answers Klebsiella pneumoniae
The characteristic hot, cold, wet paroxysms of malaria are the result of: - Answers production of
reproductive gametocytes
Which of the following commonly indicate the presence of a urinary tract infection? - Answers -blood
(BLO)
-Nitrite (NIT)
-LEU (leukocytes)
Coronaviruses are responsible for: - Answers -some forms of the cold
-MERS
-COVID-19
We have a vaccine that protects people against:
-RSV
-strep throat
-strep pneumonia
-legionella pneumonia - Answers Pneumococcal (Strep) pneumonia -- MOST common cause of
serious cases
An alpha hemolytic coccus would produce________ around a colony on a blood plate and would
appear ______ shaped under the microscope. - Answers a green halo; spherical
Bacteria and protozoa: - Answers -unicellular
-ribosomes
Use of the BCG vaccine in the United States is discouraged because: - Answers -incidence of TB is low
-it causes a positive Mantoux test
True or False? Most people infected with M. tuberculosis develop active TB (ATBD). - Answers FALSE
Drugs used to treat HIV infection target: - Answers -reverse transcriptase
-viral integrase
-viral protease
-attachment/membrane fusion
During the asymptomatic phase of infection: - Answers the number of CD4+ lymphocytes decreases
The most common bacterium to cause UTI's is: - Answers E. Coli
Pyelonephritis is an infection of the: - Answers kidneys
Syphilis is easily diagnosed by its clinical symptoms (T or F) - Answers FALSE
Mycobacterium tuberculosis can evade the host immune system by: - Answers reproducing inside
macrophages
Infection with Mycoplasma pneumoniae can be treated with the cell wall inhibitor, ampicillin (T or F).
- Answers FALSE
Flu infection directly damages these cells, which can lead to secondary bacterial infections. - Answers
ciliated epithelial cells
The host specificity of a flu virus is dependent on its hemagglutinin (HA) type (T or F). - Answers TRUE
Which of the following is/are characteristic(s) of septic shock?(Check all that apply.) - Answers -
elevated HR
-immune cell apoptosis
What are the target cells for Epstein-Barr (EBV) infection? - Answers B lymphocytes
