Anatomy Lab Exam 1 (WSU Biology 315) with and | Questions and Answers with Verified Solutions | Latest Update 2026

Anatomy Lab Exam 1 (WSU Biology 315) with and | Questions
and Answers with Verified Solutions | Latest Update 2026




Question: Thoracic Wall
Answer:
These are Muscles of the Rib Cage

Question: External Intercostals
Answer:
Slant Downward and Forward Between Ribs

Question: Internal Intercostals
Answer:
Slant Downward and Outward. Depress Ribs when You Forcefully Breathe Out

Question: External Oblique
Answer:
Slants Same Direction as External Intercostals

Question: Inguinal Ligament
Answer:
The Thick Inferior Edge of the EO Aponeurosis. An Important Land- mark in the "Groin"

,Question: Internal Oblique
Answer:
Slants Same Direction as Internal Intercostal. Under the External Oblique

Question: Transversus Abdominis
Answer:
Last Layer Fascicles Run Horizontally

Question: Aponeuroses
Answer:
Strong Flat Tendons

Question: Linea Alba
Answer:
White Line

Question: Rectus Abdominis
Answer:
Fascicles Run Vertically. Flexes the Vertebral Column (So You Can Do Sit-UP)

Question: Tendinous Intersections
Answer:
Usually Three - They Break the Muscle into Segments and Form the "Six Pack"

Question: Rectus Sheaths
Answer:
Covers the Six Pack

Question: Pectoral Regions
Answer:
Chest

,Question: Pectoralis Major
Answer:
Top Lay (BIG)

Question: Pectoralis Minor
Answer:
Attaches the Scapula to the Ribs Second Layer

Question: Serratus Anterior
Answer:
Saw. Think of the Teeth is a Saw. Attaches the Medial Border of the Scapula to the Ribs

Question: Trapezius
Answer:
Name this Muscles

Question: Descending Part of the Trapezius
Answer:
Elevates the Scapula

Question: Transverse Part of the Trapezius
Answer:
Retracts the Scapula

Question: Ascending Part of the Trapezius
Answer:
Depresses the Scapula

Question: Latissimus Dorsi
Answer:
Even Though it is Located Far Away in the Back, it Acts on the Humerus

, Question: Rhomboids Major
Answer:
Attaches the Scapula to the Vertebral Column. Major is Inferior to Minor

Question: Rhomboids Minor
Answer:
Attaches the Scapula to the Vertebral Column. Minor is Superior to Major

Question: Levator Scapulae
Answer:
Attaches the Scapula to the Cervical Vertebrae. Elevates the Shoulder (Shrugs)

Question: Deltoid
Answer:
Attaches the Humerus to the Pectoral Girdle

Question: Teres Major
Answer:
Teres = Round and Long

Question: Supraspinatus
Answer:
Fills the Supraspinous Fossa. Abducts the Humerus

Question: Infraspinatus
Answer:
Fills the Infraspinous Fossa. Rotates the Humerus Outward

Question: Subscapularis
Answer:
Fills the Subscapula Fossa. Rotates the Humerus Inward