Which statements are correct about quinidine?
A: Moderate blocking of sodium channels on myocardial cell membrane
B: It has both α and M receptor blocking effects
C: Reduce the self-discipline and conduction of Purkinje fiber
D: It's the right-handed form of quinine
E: It is a narrow spectrum antiarrhythmic drug
A: Moderate blocking of sodium channels on myocardial cell membrane
B: It has both α and M receptor blocking effects
C: Reduce the self-discipline and conduction of Purkinje fiber
D: It's the right-handed form of quinine
E: It is a narrow spectrum antiarrhythmic drug
举一反三
- Multiple blocking assignment statements are executed at the same time A: Correct B: Wrong
- Which one of the following statements about imipenem is MOST accurate? A: The drug has a narrow spectrum of antibacterial action B: It is used in fixed combination with sulbactam C: Imipenem is highly susceptible to b-lactamases produced by Enterobacter species D: In renal dysfunction, dosage reductions are necessary to avoid seizures E: Imipenem is active against methicillin-resistant Staphylococci
- Which description is correct about the deep tendon organ? A: protect the muscle from injury during contraction. B: parallel to the extrafugal fiber C: in series with intrafusal fiber D: is a sensory receptor for muscle length
- Which description is correct about the deep tendon organ? A: parallel to the extrafugal fiber B: is a sensory receptor for muscle length C: protect the muscle from injury during contraction. D: in series with intrafusal fiber E: sensory signal is transmitted by II afferent nerve fiber
- Which description is correct about the deep tendon organ? A: paralle to the extrafugal fiber B: in series with intrafusal fiber C: is a sensory receptor for muscle length D: sensory signal is transmitted by II afferent nerve fiber E: protect the muscle from injury during contraction.