Ch. 41 Flashcards
The medical diagnosis for any infection caused by a bacterial species known as Mycobacterium. Infections most commonly affect the lungs. Other common sites of infection are the growing ends of bones and the brain
TB
most commonly characterized by granulomas in the lungs, nodular accumulations of inflammatory cells that are delimited (“walled off” with clear boundaries)
TB
Two mycobacterial species that can cause TB: Mycobacterium _______ and Mycobacterium ______.
tuberculosis and bovis
A primary antitubercular drug and is the most widely used. It can be administered either as the sole drug in the prophylaxis of TB or in combination with other drugs.
INH
Before the results of the TB susceptibility tests are known, the patient is started on a four-drug regimen consisting of ______, ______, ______, and _______ or _______ which together are 95% effective in combating the infection. The use of multiple medications reduces drug resistance
isoniazid
rifampin
pyrazinamide (PZA)
ethambutol or streptomycin
is noted for causing pyridoxine deficiency and liver toxicity
INH
Counsel women taking oral contraceptive therapy who are prescribed ______ about switching to other forms of birth control, because of the ineffectiveness of oral contraception when this medication is taken.
rifampin
Vitamin B6 is needed to combat the peripheral neuropathy associated with ______
isoniazid
Adverse Reactions: hearing loss (ototoxicity); nephrotoxicity; seizure activity; altered vision; blindness; extreme gastrointestinal upset; fatigue; nausea; vomiting; fever; jaundice; numbness, tingling, or burning of the extremities; abdominal pain; and easy bruising
antitubercular drugs