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bio final quiz questions

Terms in this set (62)

Rickettsia rickettsii is the causative agent of which of the following diseases?
Rocky Mt Spotted Fever
Which of the following diseases is transmitted by endospores and has a cutaneous, gastrointestinal and inhalation form?
Anthrax
Which of the follwoing organisms is NOT matched with its appropriate vector?
Rickettsia typhi --> tick
Which of the following diseases is NOT commonly associated with congenital infections of the developing fetus?
polio
The following "JONES" criteria - Joint (arthritis), ♥ Carditis, Nodules, Erythema marginatum, & Sydenham's chorea - are used for diagnosis of which disease?
Rheumatic Fever
Yersinia pestis is the causative agent of
plague
Which of the following diseases is NOT associated with cyclic fever and chills as a major symptom of the disease?
typhus
Which of the following organisms effects >60 million men, women and children and is the 3rd leading cause of death from foodborne illness causing sysmptoms that are influenzae-like with swollen lymph nodes and muscle aches?
toxoplasma
Treatment of infection by placing affected body parts in a hyperbaric chamber would be effective for treating which of the following organisms?
Clostridium perfringens
Which of the following diseases has a macular rash that occurs on the body and extremities including the palms and soles of the feet and is transmitted by a tick vector?
Rocky Mt Spotted Fever
After a recent camping trip a boyscout troop leader presented with a high fever (105oF), jaundice, and rose-colored spots to the ER. He had been to see a doctor at a clinic previously, about a week and a half ago, who put him on Acyclovir. However, he was becoming concerned because he couldn't seem to shake this thing. He would run a high fever for about 3-4 days and then when the fever would break, it would come back and he would have another bout with the symptoms. He felt that the drugs weren't really working and he was missing so much work that his boss was becoming concerned. What is the causative agent of the disease that you suspect this man has contracted?
Borrelia spp.
Fever, headache, muscle aches and inflammmation at the bite site are all symptoms of Rat-Bite Fever caused by
Streptococcus moniliformis
What is the primary strategy for prevention of infection with Hantavirus?
Control of rodents
Which disease is also known as Rabbit Fever?
Tularemia
You are on a relief effort with "Doctors Without Borders" to South America. While there, you encounter several patients that have come to the clinic presenting with a high, sudden-onset fever, headache behind their eyes and a macular rash. Their biggest complaint however, is the severe joint and muscle pain that they are experiencing. You also note that many of these patients appear to have numerous "bug bites" due to the fact that most of the homes lack any netting or screens to keep out the variety of insects that emerge at night. Members in your party that have been there before, explain that the disease is very common in this part of the world and indicate that the disease is usually mild, but must be watched as a small percentage can develop life threatening complications. What disease to you suspect is being observed?
Dengue Fever
The culture report for a spinal tap ordered for a patient presenting with headaches and a stiff neck comes back positive for Gram (+) cocci. What would be the recommended therapy for this patient?
Chloramphenicol
Which of the following vaccines is a cause of the disease it is designed to prevent?
Oral polio vaccine
Upon his visit to Uganda, Churchill described the landscape as a "beautiful garden of death" because so many individuals were chronically infected with African Sleeping Sickness. What is the causative agent of this disease and its corresponding vector?
Trypanosoma brucei; tsetse fly
A patient exhibits inflammatory serpetine skin lesions that itch intensely. You can also see tiny "burrows" throughout the skin. Microscopic examination of skin scrapings reveals an eight-legged arthropod. What is your diagnosis?
Scabies
The best strategy to prevent Arboviral encepalitis is:
Mosquito control
A 36 year old adult male presents in the ER complaining of back spasms and a tight jaw. His teeth appear to be clenched and he is having difficulty speaking. His wife explains that he is a construction worker and that about a week ago he cut himself on the job. She thought the wound was healing ok, but then he started complaining about spasms in his jaw and back and was having trouble opening his mouth. Concerned about his worsening spasms, she brought him to the ER. How do you suspect this patient will need to be treated to prevent worsening of the disease?
Immunoglobulin (antibody) therapy.
A small infant is presented at a local health-care clinic with a rash of small red raised spots that "blanch" when touched. When questioned, the mother indicates that about 5 days earlier the child was running a high fever of 105oC. The mother thought the child was getting better when the fever subsided, but then the baby bloomed into a rash that covered most of the body. The mother was concerned about this new development and brought the baby to the clinic. What disease do you suspect the child has?
Roseola
Bacteria labeled as "flesh-eating bacteria" are most likely to be:
Group A Streptococci
This disease is the leading cause of blindness worldwide especially in arid areas of the World. The disease can be easily transmitted by contact and sharing of personal items. The infection inflames and thickens the eyelid, causing it to turn inward. The scars and eyelashes abrade the cornea leading to blindness if left untreated. What organism is the causative agent of this disease?
Chlamydia trachomatis
Which of the following diseases is "unique" in that it has a very long incubation period (30 - 50 days) that allows for postexposure prophalaxis (PEP) therapy to be administered?
Rabies
Adult botulism is said to be an _________ while infant botulism is said to be an _________.
intoxication; infection
Transmission of this disease requires exposure by prolonged contact with an infected person despite what is commonly thought. The causative agent is an acid-fast rod that infects the peripheral nervous system. The disease progresses due to a cell mediated immune (CMI) response to cause symptoms that can vary from loss of sensation in the skin to severe disfiguration. What is the causative agent of this disease?
Mycobacterium leprae
This form of meningitis is currently the 4th leading cause of menigitis and is unusual because of its foodborne transmission. If you did a spinal tap on patinets with this disease and Gram stained the CSF you would expect to see:
G(+)R
An 8-year-old has scabs and fluid-filled vesicles on her face, throat and stomach. Three weeks earlier she had visited her grandmother who had shingles. What infection does the 8-year-old have?
Chickenpox
A 12 year old girl presents with mild flu-like symptoms and a "slapped-cheek" looking rash on her face. What do you think is the probable causative agent?
Human Parvovirus B19
A skin rash arising from another site of infection is known as a(n) ______________________.
exanthem
A 16 year old highschool student presents in the ER with a fever, stiff neck, headache and nausea. You order a spinal tap to be performed. Gram staining of the CSF reveals Gram (-) rods under the microscope. Which orgainism do you suspect is the likely causative agent?
Haemophilus influenzae
A 3 year old toddler presents at the doctor with isolated pustules around her nose and mouth. Some of the pustules are oozing pus and fluid while others have ruptured and crusted over. The toddler attends pre-school 3 days a week. All vaccinations are current and besides the usual colds, the patient has been a healthy child. Gram-positive cocci in chains were seen in an aspirate from the lesions and culturing on blood agar grew colonies surrounded by clear (beta) hemolysis. Growth of the organism was determined to be catalase (-) when tested. What organism do you suspect?
Streptococcus pyogenes
Which skin disease is highly contagious and is assocaited with Koplik's spots 24-48 hours before the appearance of a non-itchy macular rash and high fever?
Rubeola
This pustular rash is associated with a fever 2-4 days before the rash appears. The disease progression is slow in development, but when lesions appear, most are in the same stage and eventually demomstrate a umbilicated center. Lesions appear more prolific on the arms and legs including the palms of the hands and the soles of the feet. The fever recurs and stays high until scabs form, approxiamtely 3 weeks after the first signs appear. What disease is decsribed here?
smallpox
Which of the following respiratory disease etiologic agent is commonly associated with the formation skin abscesses?
Blastomyces
Which of the following diseases is characterized by a red rash, a strawberry tongue and Pastia's lines?
scarlet fever
Infection by which of the following is often confused with viral pneumonia?
Mycoplasma
Which of the following respiratory infections CAN be contracted by ingestion?
TB
Which of the following produces a potent exotoxin and is associated with the formation of a pseudo-membrane in the throat that can block the passage of air? Initial sysmptoms of this disease may cause patients to appear intoxicated from alcohol.
Corynebacterium diphtheriae
The most common cause of viral respiratory disease in infants with about 4500 deaths each year mostly in infants 2-6 months old is
Respiratory synctial virus
Which of the following is mismatched?
Q Fever - Rickettsia
Which of the following respiratory diseases is most likely to be associated with predisposing conditions such as alcoholism, poor nutrition, cancer or diabetes?
Hib pneumonia
A patient has fever, difficulty breathing, chest pains, fluid in the alveoli, and a positive TB skin test. Gram-positive cocci are isolated from a rust-colored sputum. The patient most likely has
Pneumonococcal pneumonia
Based on the type of pathogen, which of the following does NOT belong with the others?
Mycobacterium
A person can have a positive tuberculin skin test because
All of the above.
Which of the following causes a disease characterized by the catarrhal, paraysmal and convalescent stages?
Bordetella pertussis
Which of the following microorganisms causes symptoms most similar to tuberculosis?
Coccidiodes
The patient is suffocating due to an inflamed epiglottis. What is the most likely etiology?
Haemophilus
The route of transmission for Legionellosis is by
Vehicle transmission
Infection by which of the following results in the formation of Ghon complexes?
Mycobacterion tuberculosis
Which of the following GI diseases is considered an intoxication?
Staphylococcal Food Poisoning
Which of the following would be used to treat ulcers?
Tetracycline
A 36-year-old single male schoolteacher was seen in the office with a complaint of diarrhea over the past 4 weeks and a 12-pound weight loss. His normal pattern of bowel movements was once a day. Now he has to leave the classroom several times a day because of crampy abdominal pain and loose urgent stools. He was having 4 to 6 foul-smelling yellow bowel movements a day, sometimes at night. There was no blood in the stools. He did notice some early morning nausea. He lived alone and enjoyed camping in the mountains with his girlfriend. On occasion he did fill his canteen with mountain spring water. What organism do you suspect is causing these symptoms?
Giardia lamblia
Which of the following statements is NOT true about Hepatitis C?
HBV vaccine is protective because coinfection is required.
Feces from a patient with chronic diarrhea lasting for weeks with frequent, watery stools showed only lactose (+) colonies on EMB. This patient should probably now be screened more closely for the presence of
Cyclospora
Diarrhea that looks like "rice water stool" is associated with which organism?
Vibrio cholerae
Epidemics of bacterial infections of the digestive system are most frequently transmitted by
water
Which of the following digestive system diseases differs from the others in that it enters via the respiratory tract?
Mumps
This orgnism has emerged as the leading cause of foodborne illness in the United States. The organism is found in the feces and milk of over 60% of U.S. catlle and is a common contaminant on almost all retail chicken sold in the U.S.
Campylobacter jejuni
Which of the following statements is generally NOT true of inflammatory GI diseases?
Usually involves microbes in the small intestine
After swimming at an indoor water park at Hotel A in Warren County, Ohio during December 27-29, 2010, several guests presented with diarrheal illness about a week after their stay. The affected guests had symptoms of watery diarrhea, lack of appetite, stomach cramps, fever, nausea and vomiting. What is the likely causative agent?
Cryptosporidium
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