Question 1

Which of the following is/are a sign or symptom of meningitis?

Accepted Answer

A)   Headache
B)   Stiff neck
C)   White blood cells in cerebrospinal fluid
D)   Fever
E)   All of the choices are correct.F) A) and B)
G) None of the above

Question 2

The organism responsible for the majority of neonatal meningitis is ______.

Accepted Answer

A)   Listeria monocytogenes
B)   Streptococcus agalactiae
C)   Neisseria meningitidis
D)   Haemophilus influenzae
E)   Escherichia coli K1F) A) and E)
G) A) and D)

Question 3

The normal biota of the central nervous system includes ______.

Accepted Answer

A)   Neisseria meningitidis
B)   Herpes simplex I
C)   Herpes simplex II
D)   Streptococcus agalactiae
E)   The CNS has no normal biota.F) C) and D)
G) D) and E)

Question 4

Prions can be destroyed by autoclaving.

Accepted Answer

A) True 
 B)False

Question 5

Neisseria meningitidis is transmitted by ______.

Accepted Answer

A)   an insect vector
B)   sexual contact
C)   fomites
D)   close contactE) C) and D)
F) A) and C)

Question 6

Which of the following statements about rabies is incorrect?

Accepted Answer

A)   Transmission can involve bites, scratches, and inhalation.
B)   Rabies is a zoonotic disease.
C)   Symptoms include anxiety, agitation, muscle spasms, convulsions, and paralysis.
D)   The average incubation period in human is 1 week.
E)   Wild populations of bats, skunks, raccoons, cats, and canines are primary reservoirs.F) A) and B)
G) A) and C)

Question 7

Your friend was bitten by an aggressive dog with a history of biting without cause,and it is suspected to have rabies.The city health department recommends the rabies vaccination,even though she has already been exposed to the infectious agent.Which statement best describes why the vaccine can be given post-exposure?

Accepted Answer

A)   There were few virus particles in the bite, so her immune system has enough time to respond.
B)   Since there is no treatment available, they suggest the vaccine as a last resort.
C)   The virus exhibits a long incubation period, and therefore, in many cases, this provides the vaccine adequate time to have a protective effect in the patient.
D)   This particular strain of the rabies virus is probably nonpathogenic, so the vaccine is given to boost the immune system's protective functions.E) B) and C)
F) All of the above

Question 8

Toxoplasmosis prevention includes ______.

Accepted Answer

A)   vector control
B)   hygienic precautions
C)   vaccination of humans
D)   vaccination of catsE) A) and D)
F) A) and C)

Question 9

The vector involved in African sleeping sickness is the ______.

Accepted Answer

A)   tsetse fly
B)   reduviid "kissing" bug
C)   sand fly
D)   hard-bodied tick
E)   Anopheles mosquitoF) All of the above
G) A) and B)

Question 10

Which of the following pertains to both tetanus and foodborne botulism?

Accepted Answer

A)   Treatment involves antitoxin therapy.
B)   An exotoxin blocks acetylcholine release.
C)   Nausea and diarrhea are symptoms.
D)   They occur when endospore-contaminated soil enters deep wounds.
E)   They are caused by enterotoxins of the pathogen.F) A) and B)
G) D) and E)

Question 11

Place the following components of the nervous system anatomy in order from skull to brain.

Accepted Answer

A)   Pia mater, arachnoid mater, subarachnoid space, dura mater
B)   Subarachnoid space, arachnoid mater, dura mater, pia mater
C)   Dura mater, arachnoid mater, subarachnoid space, pia mater
D)   Arachnoid mater, subarachnoid space, dura mater, pia mater
E)   Dura mater, arachnoid mater, pia mater, subarachnoid spaceF) A) and E)
G) C) and E)

Question 12

Agricultural workers and field archaeologists are exposed to this organism which,despite entering via the respiratory tract,can cause meningitis.

Accepted Answer

A)   Cryptococcus neoformans
B)   Haemophilus influenzae
C)   Streptococcus pneumoniae
D)   Coccidioides immitis
E)   Neisseria meningitidisF) C) and D)
G) B) and D)

Question 13

What is the likelihood that a patient infected by West Nile virus will develop West Nile encephalitis?

Accepted Answer

A)   Less than 1%
B)   Between 1% and 10%
C)   Between 10% and 15%
D)   Greater than 20%
E)   Greater than 50%F) A) and D)
G) All of the above

Question 14

Two nervous system diseases are food-borne,botulism caused by Clostridium botulinum and listeriosis,a form of meningitis,caused by Listeria monocytogenes.These diseases differ in that

Accepted Answer

A)   botulism has a very high mortality rate (~50%) , whereas listeriosis is readily cured by a course of antibiotics.
B)   botulism results from an intoxication, whereas listeriosis is an infection.
C)   listeriosis primarily affects pregnant women, whereas botulism can affect anyone.
D)   listeriosis is associated with contaminated low-acid vegetables, whereas botulism is associated with contaminated infant formula.E) None of the above
F) B) and D)

Question 15

Botulism is often referred to as lockjaw.

Accepted Answer

A) True 
 B)False

Question 16

What organism is the main reservoir and host for Toxoplasma gondii?

Accepted Answer

A)   Mouse
B)   Mosquito
C)   Cat
D)   Raccoon
E)   DogF) D) and E)
G) B) and E)

Question 17

Production of a neurotoxin that binds to target sites on spinal cord neurons responsible for inhibiting skeletal muscle contraction is a characteristic of ______.

Accepted Answer

A)   Clostridium tetani
B)   Clostridium botulinum
C)   Clostridium difficile
D)   Clostridium perfringensE) A) and B)
F) B) and D)

Question 18

Botox injections contain botulinum toxin.

Accepted Answer

A) True 
 B)False

Question 19

The expected outcome of an oxidase test performed to identify Neisseria menigitidis is

Accepted Answer

A)   the amplification of the oxi gene as detected on an agarose gel.
B)   cells colored black when stained and viewed under the microscope.
C)   the appearance of bubbles when cells are mixed with hydrogen peroxide.
D)   a zone of clearing surrounding colonies on chocolate agar.
E)   a color change of a colony from tan to black when oxidase reagent is added.F) A) and E)
G) B) and D)

Question 20

Which type of cell has phagocytic capabilities in the central nervous system?

Accepted Answer

A)   Macrophages
B)   Neurons
C)   Astrocytes
D)   Schwann cells
E)   Microglial cellsF) C) and E)
G) B) and D)

Exam 19: Infectious Diseases Affecting the Nervous System

Agricultural workers and field archaeologists are exposed to this organism which,despite entering via the respiratory tract,can cause meningitis.

Correct Answer
verified

Botox injections contain botulinum toxin.

Correct Answer
verified

Correct Answer
verified

The normal biota of the central nervous system includes ______.

Correct Answer
verified

Which of the following pertains to both tetanus and foodborne botulism?

Correct Answer
verified

Place the following components of the nervous system anatomy in order from skull to brain.

Correct Answer
verified

Prions can be destroyed by autoclaving.

Correct Answer
verified

Which type of cell has phagocytic capabilities in the central nervous system?

Correct Answer
verified

Neisseria meningitidis is transmitted by ______.

Correct Answer
verified

Production of a neurotoxin that binds to target sites on spinal cord neurons responsible for inhibiting skeletal muscle contraction is a characteristic of ______.

Correct Answer
verified

Two nervous system diseases are food-borne,botulism caused by Clostridium botulinum and listeriosis,a form of meningitis,caused by Listeria monocytogenes.These diseases differ in that

Correct Answer
verified

The organism responsible for the majority of neonatal meningitis is ______.

Correct Answer
verified

Botulism is often referred to as lockjaw.

Correct Answer
verified

The vector involved in African sleeping sickness is the ______.

Correct Answer
verified

Which of the following is/are a sign or symptom of meningitis?

Correct Answer
verified

What is the likelihood that a patient infected by West Nile virus will develop West Nile encephalitis?

Correct Answer
verified

What organism is the main reservoir and host for Toxoplasma gondii?

Correct Answer
verified

The expected outcome of an oxidase test performed to identify Neisseria menigitidis is

Correct Answer
verified

Which of the following statements about rabies is incorrect?

Correct Answer
verified

Toxoplasmosis prevention includes ______.

Correct Answer
verified

Exam 19: Infectious Diseases Affecting the Nervous System

Agricultural workers and field archaeologists are exposed to this organism which,despite entering via the respiratory tract,can cause meningitis.

Correct AnswerverifiedShow Answer

Botox injections contain botulinum toxin.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The normal biota of the central nervous system includes ______.

Correct AnswerverifiedShow Answer

Which of the following pertains to both tetanus and foodborne botulism?

Correct AnswerverifiedShow Answer

Place the following components of the nervous system anatomy in order from skull to brain.

Correct AnswerverifiedShow Answer

Prions can be destroyed by autoclaving.

Correct AnswerverifiedShow Answer

Which type of cell has phagocytic capabilities in the central nervous system?

Correct AnswerverifiedShow Answer

Neisseria meningitidis is transmitted by ______.

Correct AnswerverifiedShow Answer

Production of a neurotoxin that binds to target sites on spinal cord neurons responsible for inhibiting skeletal muscle contraction is a characteristic of ______.

Correct AnswerverifiedShow Answer

Two nervous system diseases are food-borne,botulism caused by Clostridium botulinum and listeriosis,a form of meningitis,caused by Listeria monocytogenes.These diseases differ in that

Correct AnswerverifiedShow Answer

The organism responsible for the majority of neonatal meningitis is ______.

Correct AnswerverifiedShow Answer

Botulism is often referred to as lockjaw.

Correct AnswerverifiedShow Answer

The vector involved in African sleeping sickness is the ______.

Correct AnswerverifiedShow Answer

Which of the following is/are a sign or symptom of meningitis?

Correct AnswerverifiedShow Answer

What is the likelihood that a patient infected by West Nile virus will develop West Nile encephalitis?

Correct AnswerverifiedShow Answer

What organism is the main reservoir and host for Toxoplasma gondii?

Correct AnswerverifiedShow Answer

The expected outcome of an oxidase test performed to identify Neisseria menigitidis is

Correct AnswerverifiedShow Answer

Which of the following statements about rabies is incorrect?

Correct AnswerverifiedShow Answer

Toxoplasmosis prevention includes ______.

Correct AnswerverifiedShow Answer

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