Ch.25 Flashcards
Which heart chamber passes blood to the lungs?
right ventricle
Which heart chamber sends blood to the body?
Left ventricle
Which heart chamber receives blood from the lungs?
left atrium
Which heart chamber receives blood from the body?
right atrium
What is the function of the spleen?
Cleans blood of debris
Which suffix is given to a circulating agent in the bloodstream?
-emia
Which group of bacteria is more likely to cause fatal sepsis? How come?
gram-negative bacteria because they release endotoxin (lipopolysaccharide) from their outer membrane –> triggers a massive inflammatory response in the body when released into the bloodstream
What are YOPs and how does they aid in causing disease?
- Yersinia outer proteins (YOPs) delivered into host cells by type III secretion system
- Cause disease by multiple virulence factors allow avoidance of host defenses to interfere w/ phagocytosis
What causes organ failure and necrosis of organs after sepsis?
- blood clot formation in small blood vessels throughout the body
- Causes organ failure due to lack of oxygen
- Hemorrhage due to resulting shortage of clotting proteins
What disease is caused by Epstein-Barr virus?
Infectious mononucleosis
Epstein-Barr virus becomes latent in which cells?
B cells
What are the complications of Zika virus disease?
- Guillain-Barré syndrome
- congenital Zika syndrome
What vector transmits Yellow Fever?
transmitted by bite of infected Aedes or Haemagogus mosquito
Which disease discussed in lecture is a protozoan disease of the blood and lymph?
Malaria
What cells do sporozoites infect in humans?
the liver