Sinus venosus is formed by union of:
A.Two precavals
B.One postcaval
C.All of these
D.None of these
Category: Circulatory System Mcqs
Azygos vein in rabbit collects blood from:
A.Posterior intercostals
B.Dorsal body wall
C.Both of these parts
D.None of these parts
Right auricle in mammalian heart receives blood from:
A.Sinus venosus
B.Pulmonary veins
C.Precavals
D.Precavals and postcavals
Lymph contains:
A.Rich amount of nutrients, oxygen, CO2 and metaboliic wastes
B.Negligible amount of nutrients, oxygen, CO2 and metabolic wastes
C.Negligible amount of nutrients and oxygen but abundant CO2 and metabolic wastes
D.Abundant nutrients and oxygen but negligible amount of CO2 and metabolic wastes
Chordae tendinae connecting dorsal and ventral flaps of atrioventricular valve in from help in:
A.Making functioning of valve more effective
B.Checking relaxation of ventricular walls during contraction of auricles
C.Protecting eversion of atrioventricular valve towards auricles by pressure of blood in ventricles
D.None of these functions
One of the following structures is found in the heart as well as in other organ of body, which is:
A.Kidney
B.Brain
C.Liver
D.Pancreas
Pylangium and synangium in frog’s heart are divisions of:
A.Aurricles
B.Ventricle
C.Conus arteriosus
D.None of these
In between the thoracic cavities the space containing heart in rabbit is called:
A.Pleura
B.Mediastinum
C.Diaphragm
D.None of these
Heart of frog differs that of rabbit by presence of:
A.Mitral valve
B.4 chambers
C.Two aortae
D.Sinus venosus
Which of the following arteries is absent in frog:
A.Renals
B.Iliacs
C.Phrenics
D.None of these
