A&P LAB EXAM 1 ACTUAL EXAM SCRIPT 2026 VERIFIED QUESTIONS AND ANSWERS

A&P LAB EXAM 1 ACTUAL EXAM SCRIPT
2026 VERIFIED QUESTIONS AND ANSWERS

⩥ Orbicularis oculi. Answer: 1. Closes the eye
2. Originates on the frontal bone and maxilla and inserts in the skin
around the eye


⩥ Orbicularis oris. Answer: 1. Closes lip
2. Originates on muscles near the mouth and inserts in skin at corner of
the mouth


⩥ Masseter. Answer: 1. Raises mandible
2. Originates on the zygomatic arch and inserts in the mandible


⩥ Temporalis. Answer: 1. Raises mandible
2. Originates on the temporal bone and inserts in the mandible


⩥ Sternocleidomastoid. Answer: 1. Rotates and lowers head
2. Originates on the sternum and clavicle and inserts in the mastoid
process of temporal bone


⩥ Occipitalis. Answer:

, ⩥ Rectus abdominis. Answer: 1. Compresses abdomen and flexes
vertebral column
2. Originates on the pubis and inserts in costal cartilages 5-7 and xiphoid


⩥ External oblique. Answer: 1. Compresses abdomen and flexes one
side of the vertebral column
2. Originates on the lower 8 ribs and inserts in iliac crest and linea alba


⩥ Internal oblique. Answer: 1. Compresses abdomen and flexes one side
of the vertebral column
2. Originates on the iliac crest and lumbar fascia and inserts in costal
cartilages of the last 3-4 ribs


⩥ Transverse abdominis. Answer: 1. Compresses abdomen
2. Originates on the iliac crest, lumbar fascia, and cartilages of the last 6
ribs and inserts in the xiphoid process, linea alba, and pubic


⩥ Trapezius. Answer: 1. Elevates clavicle, adducts scapula, and extends
head
2. Originates on the occipital bone and vertebral spines and inserts in the
clavicle and scapula