A. is capable of generating impulses
B. Has rich sympathetic innervation
C. Has poor cholinergic innervation
D. Generates impulses at the highest rate
Related Mcqs:
- A patient with carinoma cheek has tumor of 2.5 cms located close to and involving the lower alveolus. A single mobile homolateral node measuring node measuring 6 cm is palpable. Based on these clinical findings TNM stage of the tumor is______________?
A. T1 N1 Mo
B. T2 N2 Mo
C. T3 N1 Mo
D. T4 N2 Mo - The cortex of lymph node contains__________________?
A. Cords of billroth
B. Hassal’s corpuscles
C. Lymphatic nodules
D. While pulp - Which of the following acts as a neurotransmitter inhibitor _______________?
A. Glutamate
B. GABA
C. Aspartic acid
D. Lysin - Succinyl choline acts to block neuromuscular transmission by_______________?
A. Inhibiting cholinesterase
B. Inhibiting the CNS
C. Depolarizing the motor end plate of skeletal muscle
D. Blocking the release of acetyl choline at the end plate - Hormones FSH & LH of anterior pituitary gland acts on___________________?
A. Testis but not ovaries
B. Ovaries but not testis
C. Both Testis and ovaries
D. Adrenal cortex - 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 output in L/min divided by heart rate equals_______________?
A. Cardiac efficiency
B. Cardiac index
C. Mean stroke volume
D. Mean arterial pressure - Parasympathetic stimulation of heart causes______________?
A. SA node decreases firing
B. Increased AV node excitability
C. Decreased ventricular contraction
D. Tachycardia - Effect on force of contraction of heart is_____________?
A. Chronotropic effect
B. Dromotropic effect
C. Bathmotropic
D. Ionotropic effect - 2nd heart sound is characterized by all except______________?
A. Due to closure of semilunar valves
B. Is occasionally split
C. Has longer duration than 1st heart sound
D. Marks the onset of diastole
