Micro Exam 6 - Chs. 16-18

Otitis media, sinus infections, and mastoiditis are frequent primary infections resulting in which of the following? Brain abscess Infective endocarditis Fungal meningitis Spongiform encephalopathy

Brain abscess

Subcutaneous emphysema and crepitus are characteristic signs in infections from which type of pathogen? Clostridium perfringens Propionibacterium acne Mycobacterium leprae Bacillus anthracis

Clostridium perfringens

Janeway lesions, Roth spots, and Osler nodes are clinical signs of which pathogenic condition? Endocarditis Encephalitis Meningitis Mastoiditis

Endocarditis

A bulla is a depression of the skin in which there has been destruction of a portion of the dermal tissues. True False

False

Escherichia coli bacteria are known as "ICU bugs" due to the five strains of serious illness-producing pathogens True False

False

Osler nodes, Janeway lesions, and Roth spots are characteristic signs of viral meningitis. True False

False

Ringworm is a viral skin rash which is highly contagious in the bullous form. True False

False

Solids such as blood cells and platelets account for 65 percent of the total blood volume. True False

False

Yersinia pestis, the pathogen responsible for various forms of plague is transmitted only by bites of arthropod vectors such as fleas carried on rodents. True False

False

Waterhouse-Friderichsen syndrome is associated with which microbial pathogen? Neisseria meningitidis Mycobacterium tuberculosis Haemophilus influenzae Borrelia burgdorferi

Neisseria meningitidis

Which pathogen is most commonly the cause of lactational mastitis? Staphylococcus aureus Pseudomonas aeruginosa Candida albicans Variola virus

Staphylococcus aureus

Cutaneous anthrax lesions develop a necrotic central area which eventually sloughs off then heals if proper treatment is given True False

True

Members of the delta and zeta classes of the phylum Proteobacteria are not pathogenic to humans True False

True

Pseudomonas aeruginosa is a frequent cause of healthcare-associated infections and easily identifiable in lab cultures due to its production of a fruity odor. True False

True

Rabies encephalitis is caused by a bullet-shaped virions which cause symptoms including hydrophobia and seizures True False

True

Salmonella has nearly 2,500 serotypes/serovars, most of which are pathogens in humans. True False

True

Shingles lesions typically follow a band form due to the varicella zoster virus taking up residence in the dorsal root ganglia of spinal nerves of the peripheral nervous system True False

True

The blood-brain barrier is a physiologic mechanism that prevents passage of certain large molecules, including some antibiotics, from passing from blood to the brain parenchyma. True False

True

The organ of the skin weighs approximately 6 pounds in an average adult. True False

True

Transmissible spongiform encephalopathy is caused by abnormal folds of proteins in neural tissues of the brain or spinal cord. True False

True

The life-threatening accumulation of blood or fluid in the space between the myocardium and pericardium is called __________________.

cardiac tamponade

Some studies indicate that Campylobacter jejuni is the leading cause of ___________ illness, surpassing Shigella and Salmonella and which may result in complications such as Guillain-Barré syndrome

diarrheal

The___________ system is the largest organ of the human body which acts as the first line of defense against pathogenic invasion.

integumentary

White blood cells also called ___________ are involved in the body's natural defense mechanism against pathogenic invasion.

leukocytes

The serious and potentially life-threatening infection from invasion of group A Streptococcus is called ________________ commonly called the flesh-eating disease

necrotizing fasciitis

Acute __________ primarily affects the epiphyseal plates of long bones in which bacteria proliferate in areas of decreased blood supply.

osteomyelitis

Helicobacter pylori is frequently isolated in individuals with which of the following? peptic ulcer disease typhoid fever atherosclerotic plaques inflammatory bowel syndrome

peptic ulcer disease

The pigment pyocyanin created by ______________ bacteria produces a characteristic blue colored pus accumulation.

pseudomonas aeruginosa

Which of the following is the genus for the causative agent in typhoid fever? salmonella kingella klebsiella serratia

salmonella

Eating of raw seafood such as oysters is discouraged in summer months due to the higher concentration of which pathogenic genus? vibrio campylobacter haemophilus serratia

vibrio

The disease cholera is caused by a species belonging to the genus ___________.

vibrio

The type of pathogen responsible for the painful condition known as shingles is which of the following? viral parasitic fungal bacterial

viral

Bordetella pertussis is the causative agent for the disease commonly called ________________________.

whooping cough