Tag: CSIR NET Life Science Previous Year Questions and Solution on Cardiovascular System

The ECG recorded by different leads is analysed on the basis of variation of electrical potential at various loci on the surface of the body, and the time scale relation […]

Given below are the different intervals/ durations of electrocardiogram of a humansubject (column A) and the events in heart during the process (column B). Which one of the following options […]

Different leads are used to record ECG of humans. Which one of the following is NOT unipolar leads? (1) Augmented limb leads (2) V1 and V2 leads (3) Standard limb […]

Which of the following waves is likely to be absent in a normal frog ECG? (1) P (2) Q (3) T (4) R   Introduction to Frog ECG Wave Patterns […]

The S wave of normal human ECG originates due to (1) septal and left ventricular depolarization. (2) late depolarization of the ventricular walls moving back toward the AV junction. (3) […]

The T-waves of ECG indicates (1) Atrial depolarization. (2) Ventricular depolarization (3) Ventricular repolarization (4) Atrial depolarization   What Does the T Wave Represent on an ECG? The T wave in an […]

Following are the statements made about major functions of some of the neuroglia in normal condition: (A) Oligodendrocytes help maintain K+ level, and contribute to the blood—brain barrier. (B) Microglia […]

The pericytes are found in (1) myelin sheath (2) surrounding coat of a skeletal muscle fibre, (3) blood capillary wall (4) lymph capillary wall   Where Are Pericytes Found? Pericytes are […]

Which one of the following causes constriction of blood vessels? (1) Carbon monoxide (2) Nitric oxide (3) Endothelin – 1 (4) Atrial natriuretic peptide   Which Substance Causes Blood Vessel […]

Which one of the following is NOT secreted by capillary endothelium? (1) Prostacyclin (2) Guanosine (3) Endothelin (4) Nitric oxide   The capillary endothelium is a single layer of cells lining the […]