Question

Hi,

I need help please!

What method of research can we assume Salk and Sabin used to acquire their vaccines? (Points : 4)        Socratic Method
       Illustrative Method
       Visual Method
       Philosophical Method
       Scientific Method

(TCO 9) Cat fecal matter is one possible source for getting infected with _____, which invades the _____ system of humans. (Points : 4)        Chagas’ disease; circulatory

       African sleeping sickness; nervous

       Western sleeping sickness; circulatory

       toxoplasmosis; lymph

       babesiosis; circulatory

TCO 9) Identify the virus(es) that are associated with cervical cancer. (Points : 4)        Hepatitis B
       Hepatitis A and B
       Papillomavirus
       Parvovirus
       Adenovirus

(TCO 9) Salmonella enterica has a number of serotypes. Which of the following causes most cases of human salmonellosis in the United States? (Points : 4)        Enteritidis
       Paratyphi
       Typhimurium
       Typhi
       Both Enteritidis and Typhimurium

(TCO 9) Which of the following differentiates coliforms from other bacteria? (Points : 4)        They are Gram-positive bacilli.
       They are found in the intestinal tracts of humans and animals.
       They ferment lactose.
       They are strictly anaerobic.
       They are never pathogeni

(TCO 8) T lymphocytes are named not after where they originate but where they travel to for maturation. This body region is called the _____. (Points : 4)        thykaloid
       thyroid
       thymus
       tonsil area
       Thompson’s gland

(TCO 8) Devon was bitten by a black widow spider while cleaning out his garage. His friends rushed him to the hospital where the doctor administered antitoxin. This is an example of _____. (Points : 4)        naturally acquired active immunity.
       naturally acquired passive immunity.
       artificially acquired active immunity.
       artificially acquired passive immunotherapy.
       All of the above.

The process of _____ produces cells that are called formed elements. (Points : 4)        platelaea
       diapedesis
       salivation
       hematopoiesis
       granitulation

A blood clot formed by a cut on the skin’s surface may eventually be absorbed or may fall off of body. (Points : 4)        True, but only if fever is present
       False, but only if fever is present
       True
       False
       True, but only if vessels are dilated

Typhus is an example of a disease carried by a _____. (Points : 4)        biological vector
       mechanical vector
       Both a and b
       mosquito
       None of the above

There are several different kinds of nosocomial infections, including _____ infections. (Points : 4)        normal
       natural
       endogenous
       epidemiological
       All of the above

Dr. John Snow made a map showing deaths from cholera in 1854 in London, England. It centered around a water pump, suggesting the source of cholera was contaminated drinking water. This is an example of _____. (Points : 4)        epidemiology
       descriptive epidemiology
       analytical epidemiology
       experimental epidemiology
       nosocomial infection

Members of the genus Musca are commonly associated with _____ caused by Shigella
and Salmonella. (Points : 4)        foodborne infections
       blood sucking infections
       Rocky Mountain Spotted Fever infections
       airborne infections
       Lyme disease

The first antibiotic that was used to treat a wide variety of infections was _____. (Points : 4)        penicillin
       arsenic
       sulfanilamide
       streptomycin
       ciprofloxacin

) Several drugs with nearly identical molecular weights are being used for a diffusion susceptibility test. Which drug would be most effective against the organism that is growing on a Petri plate? (Points : 4)        The drug that did not alter the bacterial lawn.
       The drug that has a zone of inhibition of 10 mm.
       The drug that has a zone of inhibition of 1 cm.
       The drug that has a zone of inhibition of 15 mm.
       All of the drugs will be equally effective against the organism.

You have cut your finger. Describe two ways that the body uses nonspecific lines of defense to protect against possible pathogens (6 points per method of nonspecific defense). (Points : 12)

(TCO 6) Identify two locations in a clinical setting where bacteria might be present and describe how one might prevent contamination and transmission to susceptible patients (2 points for each location, 4 points for description of preventative measures at location). (Points : 12)

. (TCO 3) Some microbes produce “resting forms” during which their metabolic activity slows way down. Describe two different resting forms. Be sure to identify what type of microbes they are found in, when they are formed, and the advantages of these resting forms to the organism. (Points : 12)

TCO 5) What growth conditions are required for a photoheterotrophic, alkalinophilic, psychrophilic obligate anaerobe? (Points : 12)

(TCO 7) You are an epidemiologist and have been called to the scene of a new outbreak of a disease. Disease Y is believed to be caused by a bacterium and involves abdominal cramps and diarrhea. The disease originated in a college dorm, although some commuter students and professors have also been infected.
(a) Analyze how you could use Koch’s postulates to identify the cause of the illness (10 points).
(b) Once you have identified the bacterium responsible, what treatment plan would you propose? Would you recommend giving infected people antibiotics? Why or why not (10 points)?
(c) How do you believe Disease Y is transmitted? What advice would you give the local health authorities on stopping or limiting the spread of Disease Y (10 points)? (Points : 30)

(TCO 6) Clostridium botulinum is a Gram-positive bacterium that causes three forms of botulism: food-borne botulism, infant botulism and wound botulism.
(a) Describe the three types of botulism. How is infant botulism different than food borne botulism?
(b) C. botulinum produces endospores. Many antibiotics are not effective in killing endospores, only vegetative cells that are growing and dividing. Why do you think this is? (Points : 30)

Answer 1

Ans-2 (4) , Ans-3 (3) , Ans-4 (4) , Ans -5 (1) , Ans-6 (2) , Ans-7 (3) , Ans-8 (4) , Ans-9 (3) , Ans10 (