A. Preload
B. After load
C. Heart rate
D. Myocardial contractility
Related Mcqs:
- Which of the following cardiac depressants is contraindicated in a patient with cardiac arrhythmia____________?
A. Lidocaine
B. Quinidine
C. Phenytoin
D. Propranolol - Cardiac output is not affected by __________________?
A. Heart rate
B. Peripheral resistance
C. Systolic blood pressure
D. Venous return - Under resting condition the cardiac output is _______ L/ min ?
A. 2.5
B. 4.25
C. 5.25
D. 9.5 - Cardiac output in L/min divided by heart rate equals_______________?
A. Cardiac efficiency
B. Cardiac index
C. Mean stroke volume
D. Mean arterial pressure - Cardiac output is a measure of______________?
A. Peripheral resistance X tissue fluid
B. Peripheral resistance X cardiac rate
C. Blood pressure X cardiac rate
D. Heart rate X blood volume - Cardiac output is maximum to _________________?
A. Liver
B. Brain
C. Kidney
D. Heart - All the heart valves are open during which stage of cardiac cycle __________________?
A. Systolic ejection
B. Isovolumetric relaxation
C. Isovolumetric contraction
D. None of the above - Cardiac index is related to ______________?
A. cardiac output and body weight
B. Cardiac output and body surface area
C. Cardiac output and work of the heart
D. Stroke volume and pulse rate - Cardiac cycle duration in man is_______________?
A. 0.4 seconds
B. 0.8 seconds
C. 1.2 seconds
D. 1.6 seconds - A patient has seasonal allergic rhinitis and is on terfenadine, He develps cardiac arrhythmias after a course of antibiotics. Which of the following antibiotic could have been given_____________?
A. Ampicillin
B. Tetracyclin
C. Erythromycin
D. Co-trimoxazole