NEB Medical Standard 3 MCQs

Recurrent laryngeal nerve is a branch of the vagus nerve that supplies nearly all intrinsic muscles of the larynx.

Hepatoduodenal ligament is the free edge of the lesser omentum containing the portal triad.

Broca area is a dominant frontal-lobe region important for motor speech production.

Cerebellum is a hindbrain structure essential for coordination, balance and motor learning.

Sinoatrial node is a specialized pacemaker region located near the superior vena cava in the right atrium.

Inguinal canal is an oblique passage in the lower anterior abdominal wall transmitting the spermatic cord or round ligament.

Pudendal nerve is the main somatic nerve of the perineum, arising from sacral roots S2 to S4.

Frank-Starling mechanism is an increase in ventricular filling produces a stronger contraction within physiological limits.

Glomerular filtration rate is the volume of plasma filtered by all functioning glomeruli per unit time.

Surfactant is a phospholipid-rich substance that lowers alveolar surface tension and helps prevent collapse.

Bohr effect is reduced haemoglobin affinity for oxygen in tissues with increased carbon dioxide or acidity.

Insulin is a pancreatic beta-cell hormone that promotes glucose uptake and storage and lowers blood glucose.