531. Submandibular gland is situated in____________? A. Digastric triangle B. Carotid triangle C. Muscular triangle D. Deep to hyoglossus muscle ✅ The correct answer is option A. Digastric triangle.
532. Facial muscles are derived from_________________? A. 1st branchial arch B. 2ndbranchial arch C. 3rdbranchial arch D. 4thbranchial arch ✅ The correct answer is option B. 2ndbranchial arch.
533. Carotid sheath contains all except______________? A. Carotid artery B. Internal jugular vein C. Vagus nerve D. Phrenic nerve ✅ The correct answer is option D. Phrenic nerve.
534. Sternocleidomastoid and trapezius are supplied by__________________? A. Grannial accessory B. Spinal accessory C. Vagus D. Glossopharyngeal ✅ The correct answer is option B. Spinal accessory.