Chapter 20- final

The bacterium that causes botulism is

Clostridium botulinum

A sexually transmitted bacterium, ______________________, causes ophthalmia neonatorum in newborns who are infected while passing through a diseased birth canal.

Neisseria gonorrhoeae

A common cause of bacterial meningitis acquired by babies at birth is

Streptococcus agalactiae

The type of poliomyelitis that accounts for about 90% of the cases is . a) asymptomatic polio b) minor polio c) nonparalytic polio d) paralytic polio

a) asymptomatic polio

Nerves that primarily carry impulses toward the central nervous system are . a) sensory nerves b) motor nerves c) mixed nerves d) plexus nerves

a) sensory nerves

Which of the following would not play a role in preventing infection with amoebas? a) sterile drinking water b) sterile contact lens solution c) avoiding swimming in contaminated lakes d) chlorination of swimming pools

a) sterile drinking water

Hansen's disease is also known as . a) meningitis b) leprosy c) rabies d) tetanus

b) leprosy

The layer of the meninges lying closest to the spinal cord is the . a) arachnoid mater b) pia mater c) dura mater d) cauda equina

b) pia mater

Human diploid cell vaccine is used to treat what disease? a) leprosy b) rabies c) tetanus d) tuberculosis

b) rabies

Which of the following diseases is a zoonosis? a) cryptococcal meningitis b) rabies c) tetanus d) tuberculosis

b) rabies

The most common form of meningitis is . a) bacterial meningitis b) viral meningitis c) cryptococcal meningitis d) septic meningitis

b) viral meningitis

Which of the following statements concerning primary amebic meningoencephalitis is true? a) Primary amebic meningoencephalopathy is serious but not fatal. b) Primary amebic meningoencephalopathy is caused by a prion ingested from infected beef. c) A person can become infected by contaminated contact lenses. d) The disease is sexually transmitted and can be transmitted to a baby at birth.

c) A person can become infected by contaminated contact lenses.

Which of the following diseases is caused most commonly by protozoan infections? a) variant Creutzfeldt-Jakob disease b) trachoma c) African trypanosomiasis d) Hansen's disease

c) African trypanosomiasis

A collection of many neuron cell bodies outside the CNS is a . a) plexus b) dendrite c) ganglion d) axon

c) ganglion

Pinkeye is an inflammation of the __________________ due to microbial infection.

conjunctiva

A mycosis of the nervous system that has become more common since the advent of AIDS is

cryptococcal meningitis

Cerebrospinal fluid is . a) formed deep within the brain b) found in the subarachnoid space c) withdrawn in a spinal tap d) All of the above are true of the cerebrospinal fluid

d) All of the above are true of the cerebrospinal fluid

A bacterium associated with bacteremia, meningitis, and pneumonia in newborns is . a) Staphylococcus aureus b) Staphylococcus epidermidis c) Streptococcus pyogenes d) Streptococcus agalactiae

d) Streptococcus agalactiae

Which of the following does not play a role in the action of botulism toxin? a) acetylcholine in synaptic cleft b) inhibition of vesicular fusion c) nerve impulse conduction d) nerve cell growth

d) nerve cell growth

Which of the following diseases is not a zoonosis? a) arboviral encephalitis b) rabies c) St. Louis encephalitis d) viral meningitis

d) viral meningitis

The cytoplasmic processes that carry messages toward the neuron cell body are _____________

dendrites

Three types of botulism are

foodborne, infant, and wound

Streptococcus agalactiae is also known as Lancefield _________________ Streptococcus.

group B

The _______________________ nervous system is composed of nerves that carry impulses to and from muscles and glands throughout the body.

peripheral

_______________ are small, dark purplish hemorrhages of blood vessels in the skin, sometimes seen in meningitis patients.

petechiae

The cell structure of pneumococci that accounts for virulence is the

polysaccharide capsule

Hydrophobia is characteristic of _______________ infections.

rabies

staphylococcus aureus can cause infections of the sebaceous glands near the eye. These infections are called

sties

A ___________________ is an intercellular space between an axon and another cell.

synaptic cleft

The leading cause of nontraumatic blindness in humans is .

trachoma