Microbiology Blood Counts

Question 0

What is the causative agent of microcytic hypochromic anemia?

Answer 0

Hookworms (Necator or Ancylostoma) or Trichuris. Blood loss is due to intestinal attachment of a large number of worms.

Question 1

Which organism causes pernicious megaloblastic anemia with a history of fish ingestion? What is the causative agent? What is the disease process?

Answer 1

Diphyllobothrium Latum (fish tapeworm in cool lake regions), attached high in the small intestine, competes for B12, producing anemia

Question 2

What is the causative agent of paroxysmal febrile disease (high fever with chills, rigors, sweat and headache?

Answer 2

Plasmodium species for malaria

Question 3

What is the causative agent of lymphocytosis with severe hacking cough, usually without fever?

Answer 3

Bordetella pertussis

Question 4

When does eosinophilia occur?

Answer 4

During worm migration in tissues or in allergic reactions

Question 5

What is the causative agent of mononuclear cell increase happen?

Answer 5

Intracellular organisms like viruses, listeria or toxoplasma

Question 6

What is the causative agent of PMN increase?

Answer 6

Extracellular bacteria

Question 7

What is the cause of CD4+ cell decline?

Answer 7

AIDS