Question 1

Naturally-occurring poliomyelitis has occurred as recently as 2007 in the Americas.

Accepted Answer

A) True 
 B)False

Question 2

The pleomorphic bacterium is an obligate parasite due to its requirement for NAD + and heme.

Accepted Answer

A)  Haemophilus influenzae 
B)  Streptococcus agalactiae 
C)  Listeria monocytogenes 
D)  Neisseria meningitidis 
E)  Streptococcus pneumoniae 
A)  Haemophilus influenzae 
B)  Streptococcus agalactiae 
C)  Listeria monocytogenes 
D)  Neisseria meningitidis 
E)  Streptococcus pneumoniae

Question 3

The condition called (conjunctivitis/keratitis/trachoma) is the result of infection of the cornea.

Accepted Answer

The answer of The condition called (conjunctivitis/keratitis/trachoma) is the result...

Question 4

Negri bodies are a characteristic microscopic finding in the diagnosis of (encephalitis/leprosy/rabies).

Accepted Answer

The answer of Negri bodies are a characteristic microscopic finding...

Question 5

Poliovirus is most often transmitted via

Accepted Answer

A)  droplets. 
B)  endospores. 
C)  contaminated water. 
D)  household pets. 
E)  mosquitoes. 
A)  droplets. 
B)  endospores. 
C)  contaminated water. 
D)  household pets. 
E)  mosquitoes.

Question 6

The neurotoxins of Clostridium botulinum produce (paralysis/spasms/weakness) by interfering with acetylcholine secretion.

Accepted Answer

The answer of The neurotoxins of Clostridium botulinum produce (paralysis/spasms/weakness)...

Question 7

The Gram-negative diplococcus is resistant to phagocytosis and releases Lipid A to cause inflammation.

Accepted Answer

A)  Listeria monocytogenes 
B)  Neisseria meningitidis 
C)  Streptococcus agalactiae 
D)  Haemophilus influenza 
E)  Clostridium botulinum 
A)  Listeria monocytogenes 
B)  Neisseria meningitidis 
C)  Streptococcus agalactiae 
D)  Haemophilus influenza 
E)  Clostridium botulinum

Question 8

When a strong T cell immune response against Mycobacterium leprae fails to develop, (lepromatous/tuberculoid) leprosy results.

Accepted Answer

The answer of When a strong T cell immune response...

Question 9

A one-year-old child is brought to the hospital with high fever and limited range of motion of the head. The child frequently rubs her head. A recent history is not immediately available due to a language barrier on the part of the parent. The attending physician suspects meningitis and orders a sample of CFS be collected. Describe the various diagnoses possible based on the results with the CSF.

Accepted Answer

A cloudy or milky appearance of the CSF

Question 10

Botulism toxin disrupts motor control by

Accepted Answer

A)  blocking acetylcholine receptors on muscle cells. 
B)  killing motor neurons. 
C)  blocking the release of acetylcholine by motor neurons. 
D)  causing demyelination of motor neurons. 
E)  blocking inhibitory signals to motor neurons. 
A)  blocking acetylcholine receptors on muscle cells. 
B)  killing motor neurons. 
C)  blocking the release of acetylcholine by motor neurons. 
D)  causing demyelination of motor neurons. 
E)  blocking inhibitory signals to motor neurons.

Question 11

Discuss the two types of poliovirus vaccines available, including the advantages and disadvantages of each.

Accepted Answer

The two types of poliovirus vaccine are

Question 12

A child is brought to the hospital with a high fever, nausea, and vomiting, and complaining of headache. The cerebrospinal fluid collected by spinal tap is cloudy and contains spherical cells which stain Gram-positive. These signs and symptoms are consistent with

Accepted Answer

A)  tetanus resulting from infection with Clostridium botulinum. 
B)  primary amebic encephalitis caused by Naegleria. 
C)  bacterial meningitis probably due to Streptococcus. 
D)  aseptic meningitis from infection with Neisseria meningitidis. 
E)  cryptococcal meningitis due to infection with Cryptococcus neoformans. 
A)  tetanus resulting from infection with Clostridium botulinum. 
B)  primary amebic encephalitis caused by Naegleria. 
C)  bacterial meningitis probably due to Streptococcus. 
D)  aseptic meningitis from infection with Neisseria meningitidis. 
E)  cryptococcal meningitis due to infection with Cryptococcus neoformans.

Question 13

Functions of the meninges include

Accepted Answer

A)  production of neurotransmitters. 
B)  protection from external shock. 
C)  support for the brain and spinal cord. 
D)  transmission of signals from the peripheral nervous system. 
E)  support for the brain and spinal cord and protection from external shock. 
A)  production of neurotransmitters. 
B)  protection from external shock. 
C)  support for the brain and spinal cord. 
D)  transmission of signals from the peripheral nervous system. 
E)  support for the brain and spinal cord and protection from external shock.

Question 14

Which of the following diseases is the result of a bacterial infection of peripheral nerves?

Accepted Answer

A)  Hansenʹs disease 
B)  tetanus 
C)  botulism 
D)  rabies 
E)  acute bacterial meningitis 
A)  Hansenʹs disease 
B)  tetanus 
C)  botulism 
D)  rabies 
E)  acute bacterial meningitis

Question 15

Newborns exposed to the Gram-positive bacterium during vaginal birth are at risk of developing neonatal meningitis.

Accepted Answer

A)  Listeria monocytogenes 
B)  Streptococcus pneumoniae 
C)  Streptococcus agalactiae 
D)  Haemophilus influenzae 
E)  Neisseria meningitidis 
A)  Listeria monocytogenes 
B)  Streptococcus pneumoniae 
C)  Streptococcus agalactiae 
D)  Haemophilus influenzae 
E)  Neisseria meningitidis

Question 16

The presence of (cocci/diplococci/coccobacilli/streptococci) in the CSF is consistent with infection with Listeria monocytogenes. (Describe the appearance of the cells.)

Accepted Answer

The answer of The presence of (cocci/diplococci/coccobacilli/streptococci) in the CSF...

Question 17

Slow deterioration of muscle function occurring over many years occurs in

Accepted Answer

A)  leprosy. 
B)  West Nile encephalitis. 
C)  African sleeping sickness. 
D)  postpolio syndrome. 
E)  minor polio. 
A)  leprosy. 
B)  West Nile encephalitis. 
C)  African sleeping sickness. 
D)  postpolio syndrome. 
E)  minor polio.

Question 18

A baby arrives at an emergency room suffering from violent muscles spasms and difficulty breathing. The babyʹs body is so rigid a proper exam is difficult, but the staff note the baby is only a few weeks old and the umbilicus has not healed properly. The signs are consistent with which of the following diseases?

Accepted Answer

A)  acute bacterial meningitis 
B)  listeriosis 
C)  tetanus 
D)  rabies 
E)  infant botulism 
A)  acute bacterial meningitis 
B)  listeriosis 
C)  tetanus 
D)  rabies 
E)  infant botulism

Question 19

Contaminated food is the source of , which causes meningitis in the elderly and susceptible persons.

Accepted Answer

A)  Haemophilus influenzae 
B)  Listeria monocytogenes 
C)  Streptococcus pneumoniae 
D)  Streptococcus agalactiae 
E)  Neisseria meningitidis 
A)  Haemophilus influenzae 
B)  Listeria monocytogenes 
C)  Streptococcus pneumoniae 
D)  Streptococcus agalactiae 
E)  Neisseria meningitidis

Question 20

Which of the following nervous system diseases is treated with both passive and active immunization?

Accepted Answer

A)  rabies 
B)  arboviral encephalitis 
C)  West Nile encephalitis 
D)  primary amebic meningoencephalopathy 
E)  botulism 
A)  rabies 
B)  arboviral encephalitis 
C)  West Nile encephalitis 
D)  primary amebic meningoencephalopathy 
E)  botulism

Exam 20: Microbial Diseases of the Nervous System and Eyes

Naturally-occurring poliomyelitis has occurred as recently as 2007 in the Americas.

The pleomorphic bacterium is an obligate parasite due to its requirement for NAD + and heme.

The condition called (conjunctivitis/keratitis/trachoma) is the result of infection of the cornea.

Negri bodies are a characteristic microscopic finding in the diagnosis of (encephalitis/leprosy/rabies).

Poliovirus is most often transmitted via

The neurotoxins of Clostridium botulinum produce (paralysis/spasms/weakness) by interfering with acetylcholine secretion.

The Gram-negative diplococcus is resistant to phagocytosis and releases Lipid A to cause inflammation.

When a strong T cell immune response against Mycobacterium leprae fails to develop, (lepromatous/tuberculoid) leprosy results.

Botulism toxin disrupts motor control by

Discuss the two types of poliovirus vaccines available, including the advantages and disadvantages of each.

A child is brought to the hospital with a high fever, nausea, and vomiting, and complaining of headache. The cerebrospinal fluid collected by spinal tap is cloudy and contains spherical cells which stain Gram-positive. These signs and symptoms are consistent with

Functions of the meninges include

Which of the following diseases is the result of a bacterial infection of peripheral nerves?

Newborns exposed to the Gram-positive bacterium during vaginal birth are at risk of developing neonatal meningitis.

The presence of (cocci/diplococci/coccobacilli/streptococci) in the CSF is consistent with infection with Listeria monocytogenes. (Describe the appearance of the cells.)

Slow deterioration of muscle function occurring over many years occurs in

Contaminated food is the source of , which causes meningitis in the elderly and susceptible persons.

Which of the following nervous system diseases is treated with both passive and active immunization?

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant Dna Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Aids and Other Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Environmental Microbiology

Filters