SCI250 Week 6 Chapter 23 Cardiovascular System Quiz
Section: Multiple Choice
1. The normal microflora of the heart includes species of ________ Gram-positive bacteria.
Gram-negative bacteria.
fungi.
viruses.
None of the above
2. Which of the following is least likely to cause Septicemia leading to endotoxin-induced shock? Staphylococcus aureus
Pseudomonas aeruginosa
Klebsiella
Proteus
Serratia
3. Rheumatic fever caused by Streptococcus pyogenes most likely results from ________ the invasion of heart cells by bacteria.
the growth of bacteria on heart cells without invasion.
a reaction between heart antigens and antibodies against bacteria. viral infections of the heart muscle.
a toxin produced by bacteria.
4. What causes septic shock?
Staphylococcus aureus
Any organism growing in the bloodstream
Lipopolysaccharide from Gram-negative bacteria
Teichoic acids from Gram-positive bacteria
None of the above
5. What causes puerperal fever?
Streptococcus pyogenes
Staphylococcus aureus
Pseudomonas aeruginosa
Yersinia pestis
None of the above
6. Gross enlargement of limbs (elephantiasis) is caused by the roundworm
________ Shistosoma japonicum.
Shistosoma mansoni.
Wuchereria bancrofti.
Yersinia pestis.
None of the above
7. What organism can cause cutaneous infections and can be transmitted by endospores? Staphylococcus aureus
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Aneurysm-This term refers to a localized dilation of an artery or chamber of the heart. The behavior and prognosis for aneurysms varies, depending on their size and location. Aneurysms of the heart are usually the result of a prior heart attack. They generally don't require surgical resection. They may result in congestive heart failure and arrhythmias. Aneurysms of the main artery of the body, ...
Pseudomonas aeruginosa
Yersinia pestis
Bacillus anthracis
Streptococcus pyogenes
8. Which of the following statements is true of infection caused by Yersinia pestis? It can produce enlarged lymph nodes (buboes).
It can infect the circulatory system, causing septicemia.
It can cause pneumonia.
It is called sylvatic plague in areas where it is carried by wild rodents. All of the above
9. A pathogen of both humans and cattle that causes undulant fever is a member of the genus ________ Yersinia.
Borellia.
Brucella.
Pediculus.
Streptococcus.
10. Alternate periods with fever along with periods without fever are characteristics of relapsing fever caused by members of the genus ________ Borellia.
Yersinia.
Brucella.
Pediculus.
Streptococcus.
11. Both deer and black-legged ticks are involved in the transmission of the agent of Lyme disease, which is caused by ________ Ixodes scapularis.
Borrelia burgdorferi.
Rickettsia akari.
Bartonella bacilliformis.
Yersinia pestis.
12. You advise your friend who is spending the summer working for the U.S. Forest Service to be sure to tuck her pants in her boots, use insect repellent, and to check daily for ticks. You are concerned that she could get ________ A. Rocky Mountain spotted fever.
B. the plague.
C. Lyme disease.
D. A and C
E. A, B, and C
13. What is a louseborne disease that has influenced the course of wars (epidemic typhus)? Bartonella bacilliformis
Rickettsia prowazekii
Rickettsia akari
Borrelia burgdorferi
Yersinia pestis
14. What is a possible symptom of Lyme disease?
A bull’s-eye rash at the point of the insect bite
Flulike symptoms
Arthritis
Symptoms resembling Alzheimer’s disease
All of the above
15. Although the initial infections are usually self-limiting, a second infection with a different virus strain can lead to immunological reactions that produce hemorrhagic disease. This occurs in ________ dengue fever.
typhus fever.
yellow fever.
Rift Valley fever.
All of the above
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16. Monkeys may serve as a reservoir for what disease that is found mainly in tropical areas of the Americas and Africa? Typhus fever
Dengue fever
Rift Valley fever
Yellow fever
All of the above
17. In humans, the causative agent of infectious mononucleosis (Epstein-Barr virus) primarily infects ________ heart muscle cells.
cells lining the alveoli.
B lymphocytes.
sensory neurons.
cells of the intestinal epithelium.
18. Filoviruses have an unusual shape that may be U- or fishhook-shaped. One disease caused by a filovirus is ________ Yellow fever virus.
Rift Valley fever virus.
Epstein-Barr virus.
Ebola virus.
dengue virus.
19. A childhood disease (fifth disease) is caused by ________ Epstein-Barr virus.
Coxsackie viruses.
Streptococcus pyogenes.
Staphylococcus aureus.
Parvovirus B19.
20. The presence of a single gene for sickle-cell anemia protects individuals against malaria by ________ neutralizing the toxin produced by malarial parasites.
preventing malarial parasites from growing in erythrocytes.
stimulating the individual to produce an excess of red blood cells. interfering with the ability of mosquitoes to detect individuals. coding for antibodies against the malaria parasite.
21. Which of the following is NOT true about toxoplasmosis?
It is caused by a protozoan
Cats are a common reservoir
Transmission is fecal or oral
Causes serious illness in otherwise healthy adults
The fetus of pregnant mothers can become infected
22. Diseases that are primarily found in animals but occasionally cause diseases in humans are called zoonoses. True
False
Section: Matching
23. Severe bone and joint pain, high fever, headache, loss of appetite, weakness, sometimes a rash Dengue fever
Yellow fever
Infectious mononucleosis
Malaria
Toxoplasmosis
24. Headache, fatigue, malaise, usually sore throat, secondary streptococcal infections common Dengue fever
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Introduction to viruses: For centuries submicroscopic organisms, also known as viruses, that grow and multiply at different rates inside of a cell, have been circulating our planet. 1 The cell produces the various, essential components of the virus. These components are: 1) DNA or RNA nucleic acids, which are the genes of the virus. Viral particles posses either DNA strands or RNA strands, but ...
Yellow fever
Infectious mononucleosis
Malaria
Toxoplasmosis
25. Periods of high fever associated with release of parasites from red blood cells; relapse can occur; one species can cause malignant malaria and blackwater fever Dengue fever
Yellow fever
Infectious mononucleosis
Malaria
Toxoplasmosis
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