VBS 2032 Exam 4 Questions and Correct
Answers
Blood agar plates can detect the presence of this virulence factor:
hemolysin
What is the key reason why there is no effective vaccine against Streptococcus pyogenes?
the number of antigenic variants
Septic shock is characterized by:
-organ damage
-activation of complement
This is sometimes elevated in urine when Gram-negative bacteria infect the bladder.
nitrite
These two laboratory tests are used to detect different sugar fermentation byproducts:
methyl red (MR) and Voges-Proskauer (VP)
The gland that secretes tears is called:
lacrimal
Most upper respiratory tract infections are cause by:
viruses
The host specificity of a flu virus is dependent on the hemagglutinin type.
TRUE
, A hospital-acquired pneumonia that is characterized by red sputum and is often resistant
to treatment with common antibiotics is likely caused by:
Klebsiella pneumoniae
The characteristic hot, cold, wet paroxysms of malaria are the result of:
production of reproductive gametocytes
Which of the following commonly indicate the presence of a urinary tract infection?
-blood (BLO)
-Nitrite (NIT)
-LEU (leukocytes)
Coronaviruses are responsible for:
-some forms of the cold
-MERS
-COVID-19
We have a vaccine that protects people against:
-RSV
-strep throat
-strep pneumonia
-legionella pneumonia
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
Blood agar plates can detect the presence of this virulence factor:
hemolysin
What is the key reason why there is no effective vaccine against Streptococcus pyogenes?
the number of antigenic variants
Septic shock is characterized by:
-organ damage
-activation of complement
This is sometimes elevated in urine when Gram-negative bacteria infect the bladder.
nitrite
These two laboratory tests are used to detect different sugar fermentation byproducts:
methyl red (MR) and Voges-Proskauer (VP)
The gland that secretes tears is called:
lacrimal
Most upper respiratory tract infections are cause by:
viruses
The host specificity of a flu virus is dependent on the hemagglutinin type.
TRUE
, A hospital-acquired pneumonia that is characterized by red sputum and is often resistant
to treatment with common antibiotics is likely caused by:
Klebsiella pneumoniae
The characteristic hot, cold, wet paroxysms of malaria are the result of:
production of reproductive gametocytes
Which of the following commonly indicate the presence of a urinary tract infection?
-blood (BLO)
-Nitrite (NIT)
-LEU (leukocytes)
Coronaviruses are responsible for:
-some forms of the cold
-MERS
-COVID-19
We have a vaccine that protects people against:
-RSV
-strep throat
-strep pneumonia
-legionella pneumonia
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.