true or false Flashcards
In B2 phase of dogs congestive heart failure, it is not recommended to give medications, because there are no clinical signs yet and the survival cannot be increased
FALSE
Pimobendan has an important role in the treatment of congestive heart failure, because it is an inodilator that can directly inhibit cardiac remodelling.
FALSE
In the treatment of congestive heart failiure, main therapeutic goals include the increase of heart contractility, decrease of preload and after load, and the inhibition of cardiac remodelling.
TRUE
In C phase of dogs´congestive heart failure, it is recommended to combine several drugs to achieve all therapeutic goals. For example, the combination of furosemide + pimobendane + spironolactone can be effective
TRUE
Sildenafil can be used in the treatment of congestive heart failure, because it decreases pulmonary hypertension.
TRUE
Doxycycline is a first- choice drug in the treatment of Lyme disease.
TRUE
Tetracyclines can be classified to short – acting and long – acting substances. Oxytetracycline belongs to the first category, while chlortetracycline to the second
FALSE
Phenicols are not active against anaerobic bacteria
FALSE
Pseudomonas aeruginosa shows ab ovo resistance to tetracyclines, while acquired resistance is very common in Escherichia coli isolates.
TRUE
Long – acting tetracyclines are able to penetrate through the blood – brain barrier, while this is not true for phenicols
FALSE
Mycoplasma and chlamydia species are generally sensitive to both tetracycline and phenicols
TRUE
Tetracycline and phenicols usually have bacteriostatic activity, but if they reach appropriately high concentrations in the body, they might be bactericidal
TRUE
Half - life of florfenicol is shorter in cats and dogs compared to ruminants and swine
TRUE
All phenicols can be given to food- producing animals, and this usage is much more common than the treatment of small animals with this drug group.
FALSE
Tetracyclines have irritative effect, therefore if they are given orally, they can cause necrosis in the oesophagus, vomiting and diarrhoea.
TRUE