21. Which nerve innervates the muscles of the anterior compartment of the leg?(Remember the difference between the thigh and leg!) A. N. femoralis B. N. radialis C. N. peroneus communis D. N. ulnaris E. N. gluteus superior 22.Which of the following options correctly represents the muscle and nerve for a smile (warm and sincere smile)? A. M. risorius -n mandibularis B. M. zygomaticus major n. facialis C. M. buccinatorius -n. trigeminus D. M. zygomaticus major -n. mandibularis E. M. zygomaticus major-n trigeminus 23.Which of the following muscles is responsible for flexion of the leg? A. M. adductor magnus B. M. quadriceps femoris C. M. quadratus femoris D. M. biceps femoris E. M. soleus 24. Which of the following options correctly provides the widest muscle, thickest muscle, volumetrically biggest muscle, and longest muscle of the body? A. m. latissimus dorsi -m. gluteus maximus -m. quadriceps femoris - m. sartorius B. m. latissimus dorsi - m. gluteus medius - m. quadratus femoris -m. sartorius C. m. trapezius -m. gluteus maximus -m. gastrocnemius - m. soleus D. m. obliquus abdominis externus - m. gluteus - m. quadriceps femoris - m. sartorius E. m. obliquus abdominis externus - m. gluteus maximus - m. latissimus dorsi - m. sartorius 25.Among the following chewing muscles, which one performs a different movement than the other muscles on art. temporom andibularis? A. M. pterygoideus medialis B. M.buccinator C. M. pterygoideus lateralis D. M. masseter E. M. temporalis 26. Which of the following muscles, despite attaching to the humerus, does not participate in the movements of the arm/shoulder? A. M. biceps brachii B. M. triceps brachii C. M. brachialis D. M. coracobrachialis E. M. teres 27. What is the origin and insertion of M. rectus femoris? B. Amerior inferior illiac spine Tuberosity of the tibia B.inferior iliac spine - Patella A. Amerior superior illiae spine - Femur superior iliac spine -Tuberosity of the tibia E. Anterior interior iliac spine - Ischial tuberosity