SCI 250 Week 6 Cardiovascular System Lab and Quiz

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SCI 250 Week 6 Cardiovascular System
Lab and Quiz

Complete the
Cardiovascular System Lab.

Complete the
open-book quiz about the cardiovascular system and associated diseases. The
quiz will be provided by your instructor

Cardiovascular System Lab – Week Six



Introduction



The cardiovascular system consists of blood,
blood vessels, and the heart. As you learn about the various diseases that
affect the cardiovascular system, it is important for you to understand the
structures that can be affected by disease. Complete this lab to become
familiar with a healthy system and to identify
diseases related to this system.



PART ONE: basic
functions



Provide brief answers
to the following questions to help you get acquainted with the basic functions
of a healthy cardiovascular system. Refer to Ch. 23 in Microbiology: Principles and Explorations.

 

1.    
What
are the main functions of the cardiovascular system?

2.    
Which
types of bacteria are considered normal cardiovascular system microflora?

3.    
Which
structure of the cardiovascular system is particularly susceptible to bacterial
infection?



PART two: basic
structures



Refer to Ch. 23 in Microbiology:
Principles and Explorations
to help you identify the selected
cardiovascular system structures in the following diagram.











 

 

 






Visit
Chapter 23 of Microbiology: Principles
and Explorations
in WileyPlus to
view an in-depth presentation of a healthy cardiovascular system by completing
the following steps:

 

·     
Select the
Chapter 23 WileyPlus reading link located on your student Web page.

·     
Locate the
heading Chapter Review.

·     
Select the Anatomy Overview: The Cardiovascular System
link.

·     
Complete this lab
as you explore the Cardiovascular System multimedia piece.

 

Cardiovascular
System: The Heart


 

Roll
over each component of the Cardiovascular System multimedia piece. Roll over
and click the heart. Refer to the Heart component of the multimedia piece and
Ch. 23 in Microbiology: Principles and
Explorations
to label the structures in the following diagrams of a healthy
cardiovascular system.

 



 



PART three:
investigate and apply



Select
one of the following diseases related to the cardiovascular system, discussed
in Ch. 23 of Microbiology: Principles and
Explorations
:

 

·        
Rheumatic fever

·        
Bacterial endocarditis

 

Describe
the causal agent of the selected disease, mode of transmission, disease
characteristics, and the component(s) of the cardiovascular system that are
damaged by the disease.

 

[Type
your response below]

 

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.    
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



3.    
What
organism can cause cutaneous infections and can be transmitted by endospores?


  • Staphylococcus
    aureus

  • Pseudomonas
    aeruginosa

  • Yersinia
    pestis

  • Bacillus
    anthracis

  • Streptococcus
    pyogenes



4.    
A
pathogen of both humans and cattle that causes undulant fever is a member of
the genus ________


  • Yersinia.

  • Borellia.

  • Brucella.

  • Pediculus.

  • Streptococcus.



5.    
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.



 

 

 

6.    
A
tumor of the jaw and viscera (Burkitt's lymphoma) occurs approximately six
years after a primary infection with what virus?


  • Yellow
    fever virus

  • Rift
    Valley fever virus

  • Ebola
    virus

  • Dengue
    virus

  • Epstein-Barr
    virus



7.    
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.



8.    
A
childhood disease (fifth disease) is caused by ________


  • Epstein-Barr
    virus.

  • Coxsackie
    viruses.

  • Streptococcus
    pyogenes.

  • Staphylococcus
    aureus.

  • Erythrovirus
    B19.



9.    
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 malarial parasite.



10. 
Mild
lymph node inflammation in adults; can cross placenta and cause serious damage
to nervous system of fetus; also causes damage in small children and
immunosuppressed patients


  • Dengue
    fever

  • Yellow
    fever

  • Infectious
    mononucleosis

  • Malaria

  • Toxoplasmosis

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