Cardiovascular and Respiratory System Microbes

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Questions and Answers

What type of virus is the Epstein-Barr virus?

Retrovirus

DNA virus (correct)

Envelope virus

RNA virus

Which of the following symptoms is associated with Dengue Fever?

High fever (correct)

Sore throat

Bleeding gums

Abdominal cramps

What characteristic is shared by Fluke organisms?

Flat, leaf-shaped adults (correct)

Non-spore forming bacteria

Coccus-shaped bacteria

Enveloped RNA virus

Which of the following is NOT a common symptom of Infectious Mononucleosis?

Rapid tissue destruction Signup and view all the answers

What disease is primarily caused by Corynebacterium diphtheriae?

Diphtheria Signup and view all the answers

What hallmark finding is associated with Streptococcus pneumoniae infections?

Alpha-hemolysis on blood agar Signup and view all the answers

Which of these viruses is known to cause severe hemorrhaging?

Filovirus Signup and view all the answers

Which organism is known for a severe immune response, leading to severe pain and swelling in the throat?

Streptococcus pyogenes Signup and view all the answers

Which of the following is the primary mode of transmission for Filoviruses?

Contact with bodily fluids Signup and view all the answers

What symptom is commonly associated with a Rhinovirus infection?

Sneezing Signup and view all the answers

What is a notable characteristic of Streptococcus pyogenes?

Beta-hemolysis on blood agar Signup and view all the answers

Which condition is typically self-limited and resolves in about 7-10 days?

Common cold Signup and view all the answers

What is the vector responsible for transmitting Dengue Virus?

Mosquitoes Signup and view all the answers

What type of pathogen is Streptococcus mutant?

Gram-positive cocci Signup and view all the answers

Which disease is caused by Francisella tularensis?

Tularemia Signup and view all the answers

Which symptom is characteristic of Yersinia pestis infection?

Swollen lymph nodes Signup and view all the answers

What is the hallmark symptom of Brucella Abortus infection?

Undulant fever pattern Signup and view all the answers

What transmission method is associated with Plasmodium falciparum?

Transmitted by mosquitoes Signup and view all the answers

Toxoplasma gondii can cause which of the following complications if transmitted during pregnancy?

Vision loss Signup and view all the answers

What kind of organism is Trypanosoma cruzi?

Flagellated protozoan Signup and view all the answers

Which of the following is a sign of Toxoplasmosis?

Swollen lymph nodes Signup and view all the answers

What is the primary method of transmission for Borrelia burgdorferi?

Deer tick bites Signup and view all the answers

What is a major symptom of Chagas Disease caused by Trypanosoma cruzi?

Romana's sign Signup and view all the answers

What distinguishes the intracellular lifestyle of Francisella tularensis?

It is an aerobic pathogen Signup and view all the answers

What is a key characteristic of Yersinia pestis?

Facultative anaerobe Signup and view all the answers

Which disease is NOT caused by a bacterium?

Malaria Signup and view all the answers

What fungal characteristics are associated with Borrelia burgdorferi?

Gram-negative spirochete Signup and view all the answers

Study Notes

Cardiovascular, Lymphatic and Respiratory System Microbes

Streptococcus mutant (Bacteria): Gram-positive cocci; facultative anaerobe; forms biofilms. Associated with dental caries and infective endocarditis.
Francisella tularensis (Bacteria): Gram-negative coccobacillus; aerobic; intracellular pathogen. Causes tularemia (rabbit fever). Symptoms include fever, chills, swollen lymph nodes, skin ulcers, and respiratory distress.
Brucella Abortus (Bacteria): Gram-negative coccobacilli; non-motile; facultative intracellular pathogen. Associated with brucellosis, characterized by recurring fever, night sweats, joint and muscle pain, fatigue, and hepatosplenomegaly.
Yersinia pestis (Bacteria): Gram-negative bacillus; facultative anaerobe; survives in macrophages. Causes plague. Symptoms include sudden fever, chills, swollen lymph nodes, weakness, septic shock, and respiratory failure.
Borrelia burgdorferi (Bacteria): Gram-negative spirochete; motile via axial filaments; microaerophilic. Causes Lyme disease, marked by erythema migrans (bullseye rash), fatigue, headache, joint pain, and later potential neurological or cardiac symptoms.
Plasmodium falciparum (Protozoan): Intracellular parasite; infects red blood cells; transmitted by mosquitoes. Causes malaria. Symptoms include cyclic fever and chills, sweating, headache, fatigue, muscle pain, nausea, vomiting, jaundice, and confusion (severe).
Toxoplasma gondii (Protozoan): Obligate intracellular parasite; forms tissue cysts. Causes toxoplasmosis, often involving tissue cuts in muscles/brain, and risk of congenital defects in pregnancy
Trypanosoma cruzi (Protozoan): Flagellated protozoa; obligate intracellular parasite, causes Chagas disease. Symptoms include fever, swelling at injection site, fatigue, rash, and potential chronic cardiomyopathy in later stages.
Schistosoma spp. (Fluke): Flat, leaf-shaped, dioecious. Causes schistosomiasis, characterized by acute: rash, itchy skin, fever, chills, cough, muscle aches; chronic: Abdominal pain, blood in stool or urine, liver and spleen enlargement.
Epstein-Barr virus (Virus): DNA virus; member of the Herpesviridae family. Can cause infectious mononucleosis, Burkitt's lymphoma. Symptoms include fever, sore throat, swollen lymph nodes, fatigue, and enlarged spleen.
Dengue Virus (Virus): RNA virus; four distinct serotypes. Causes Dengue fever. Symptoms include high fever, severe headache, retro-orbital pain, joint and muscle pain, rash, and bleeding (in severe cases).

Additional Information (Filoviruses, Streptococcus pyogenes, Corynebacterium diptheriae, Streptococcus pneumoniae, Rhinovirus)

Filoviruses: Enveloped RNA viruses; filamentous, thread-like, associated with severe hemorrhaging and high mortality from contact with bodily fluids.
Streptococcus pyogenes (Bacteria): Gram-positive cocci in chains. Causes strep throat, scarlet fever, cellulitis, necrotizing fasciitis, rheumatic fever, and post-streptococcal glomerulonephritis; characterized by sore throat, fever, swollen lymph nodes; scarlet fever involves a red rash and a strawberry tongue.
Corynebacterium diphtheriae (Bacteria): Gram-positive pleomorphic rods; not spore-forming. Causes diphtheria. Characterized by sore throat, fever, malaise, and pseudomembrane formation in the throat.
Streptococcus pneumoniae (Bacteria): Gram-positive, lace-shaped diplococci; alpha-hemolytic. Causes otitis media, characterized by ear pain, fever, irritability, hearing difficulty, and fluid buildup in the middle ear.
Rhinovirus (Virus): Non-enveloped, single-stranded RNA virus. Causes the common cold; symptoms include sneezing, runny nose, nasal congestion, sore throat, cough, and mild fever.

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Description

Test your knowledge on various microbes related to the cardiovascular, lymphatic, and respiratory systems. This quiz covers key bacteria such as Streptococcus mutans, Francisella tularensis, and Yersinia pestis. Understand their characteristics, associated diseases, and symptoms.