Which of the following vessels carries blood from the heart to the rest of the body?
C. the aorta
Whole blood with the formed elements and clotting proteins removed is called?
Blood is found in which of the following areas of the heart just before it is pumped into the lungs?
E. the right ventricle
Which of the following types of bacterial toxins is associated exclusively with Gram-negative bacteria?
Infection of the lymphatic vessels is known as
Toxic shock-like syndrome is associated with a. Streptococcus aureus
b. Staphylococcus pyogenes
c. Neisseria meningitidis
d. Escherichia coli
e. Pseudomonas aeruginosa
a. Streptococcus aureus
A person is brought to the emergency room with constant high fever, extensive edema,low blood pressure, and petechiae. Which of the following may the person be suffering from?
Disseminated intravascular coagulation is a complication of which of the following?
Vegetations are associated with which of the following disease processes?
Unprotected contact with the bodily fluids of an infected animal may result in
The chief diagnostic sign of brucellosis is
D. fever which recurs at 24 hour intervals
12) Which of the following statements concerning Francisella is false?
E. Humans are its only known host
Francisella can be transmitted by all of the following EXCEPT
B. direct contact with an infected person
The causative agent of bubonic and pneumonic plague is
D. Yersinia pestis
Which of the following is characteristic of Yersinia pestis infections?
Which of the following is a means by which Borrelia burgdorferi evades the body's defenses?
E. It is capable of antigenic variation and has manganese-containing enzymes
A bulls eye rash is associated with infections of which of the following?
B. Borrelia burgdorferi
Which of the following diseases associated with Epstein-Barr virus is commonly seen in AIDS patients?
B. oral hairy leukoplakia
Epstein-Carr virus infections are typically asymptomatic in which of the following groups?
a. young adultsb. adults
c. AIDS patients
e. the elderly
a. young adults
"Black vomit" is associated with which of the following diseases?
A. yellow fever
Infection with which of the following species of Plasmodium is most likely to be fatal?
E. P falciparum
Schizogony is an important aspect of which of the following diseases?
Dengue hemorrhagic fever is actually
C. a hyperimmune response to reinfection with dengue virus
A young woman develops a fever after a recent trip to a Caribbean island. She also experiences severe headache and pain "in the bones". After a few days, she also develops a rash. Which of the following did she most likely contract?
C. dengue virus
Which of the following is transmitted by Aedes mosquitoes?
D. both dengue fever and yellow fever
Which of the following is known to be teratogenic?
A large number of people experience a high fever with a rash during the summer months in a small country. Epidemiologists suspect an emerging disease. Both Aedes and Anopheles mosquitoes are endemic to the country. Researchers are able to detect +ssRNA in the blood of fever victims and in some mosquitoes. What type of pathogen might be responsible for the epidemic?
E. a flavivirus
Ebola hemorrhagic fever is caused by which of the following virus types?
Trypanosoma cruzi is transmitted by which of the following?
A. Triatoma bugs
Which of the following is the infective form of Trypanosoma cruzi?
Historically, physicians have used a procedure called xenodiagnosis to diagnose which of the following diseases?
A. Chagas disease
Which of the following diseases is a major problem for AIDS patients?
Which of the following statements concerning Toxoplasma infection is correct?
C. It is typically contracted by eating undercooked meat
Microscopic identification of its spiny eggs is used in the diagnosis of infection caused by
Swimmers itch is an initial symptom of which of the following?
Another name for brucellosis is
D. undulant fever
The normal host for Ebola viruses are probably?
An indication of infection with Human herpesvirus 4 is
E. high fever and sore throat
Which of the following disease is currently vaccine-preventable in humans?
C. yellow fever
A young man is an avid outdoorsman goes to see his doctor complaining of fever with chills, headache, nausea, and diarrhea. Blood test show that he has low levels of leukocytes and platelets. He may have contracted
A person reports to a clinic complaining of fever and abdominal pain. The abdomen is swollen, and blood tests indicate kidney damage. A stool sample is examined under a microscope and found to contain eggs with spine projecting from its surface. The indications are consistent with infection with
C. Schistosoma mansoni
Patients with occult septicemia are asymptomatic
Lipid A causes disseminated intravascular coagulation
Only adult ticks of the genus Ixodes may feed on humans
Small doses of antimicrobial drugs are effective in treatment of late stages of Borrelia infection because the microbe is extremely susceptible.
The terms bactermia and septicemia are synonymous
Patients with occult septicemia are asymptomatic
The three developmental stages of Ehrlichia are the elementary body, the initial body, and the morula
Human herpesvirus 4 is better known as cytomegalovirus
Neither bubonic nor pneumonic plague can be spread from person to person