Describe Tuberculosis in terms of: Etiology Species attacked Transmission and pathogenesis Clinical signs Diagnosis Treatment and control.

      

Describe Tuberculosis in terms of:
Etiology
Species attacked
Transmission and pathogenesis
Clinical signs
Diagnosis
Treatment and control.

  

Answers


Kavungya
etiology,
Mycobacterium species

Species affected
Humans and domestic animals

Transmission and pathogenesis
Inhalation of infected droplets expelled from the lungs is the usual route of infection, although ingestion, particularly via contaminated milk, also occurs. Intrauterine (within uterus) and coital (sex) methods of infection are recognized less commonly. Inhaled bacilli are phagocytosed by alveolar macrophages that may either clear the infection or allow the mycobacteria to proliferate.

Clinical signs
The clinical signs reflect the extent and location of lesions plus the underlying toxemia. Generalized signs include progressive emaciation, lethargy, weakness, anorexia, and a low-grade, fluctuating fever, coughing

Diagnosis
Intradermal (into the skin) tuberculin test. Diagnosis on clinical signs alone is very difficult

Treatment and control
The 3 principal approaches to the control of TB are test and slaughter, test and segregation, and chemotherapy
Kavungya answered the question on May 6, 2019 at 11:57


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