Podcast
Questions and Answers
Which of the following drugs are methylxanthines used to improve breathing in cardiac patients and patients with respiratory disease?
Which of the following drugs are methylxanthines used to improve breathing in cardiac patients and patients with respiratory disease?
- Theophylline and aminophylline (correct)
- Hydrocodone and butorphanol
- Codeine and dextromethorphan
- Guaifenesin and propranolol
Most drugs that control arrhythmias of the heart are said to be 'negative inotropes.' What does this mean?
Most drugs that control arrhythmias of the heart are said to be 'negative inotropes.' What does this mean?
- They increase the force of contractions.
- They decrease the heart rate.
- They decrease the force of contractions. (correct)
- They increase the heart rate.
What drug reduces tachyarrhythmias by blocking sodium and decreasing automaticity of the cardiac cells?
What drug reduces tachyarrhythmias by blocking sodium and decreasing automaticity of the cardiac cells?
- Lidocaine (correct)
- Procainamide
- Propranolol
- Digoxin
Hyperthyroid cats have high heart rates due to the large numbers of alpha-1 sympathetic receptors in their hearts. What drug is used to slow the heart rate and decrease arrhythmias associated with alpha-receptor stimulation?
Hyperthyroid cats have high heart rates due to the large numbers of alpha-1 sympathetic receptors in their hearts. What drug is used to slow the heart rate and decrease arrhythmias associated with alpha-receptor stimulation?
Digoxin has a narrow therapeutic index. What does this mean?
Digoxin has a narrow therapeutic index. What does this mean?
Which drug is used to improve breathing in cardiac patients and patients with respiratory disease?
Which drug is used to improve breathing in cardiac patients and patients with respiratory disease?
What is the meaning of 'negative inotropes' in the context of drugs that control arrhythmias of the heart?
What is the meaning of 'negative inotropes' in the context of drugs that control arrhythmias of the heart?
Which drug reduces tachyarrhythmias by blocking sodium and decreasing automaticity of the cardiac cells?
Which drug reduces tachyarrhythmias by blocking sodium and decreasing automaticity of the cardiac cells?
What drug is used to slow the heart rate and decrease arrhythmias associated with alpha-receptor stimulation in hyperthyroid cats?
What drug is used to slow the heart rate and decrease arrhythmias associated with alpha-receptor stimulation in hyperthyroid cats?
What does it mean when a drug has a 'narrow therapeutic index'?
What does it mean when a drug has a 'narrow therapeutic index'?
