ESTUDYR
BIOL251 Human Anatomy & Physiology I
w/Lab | Module 5 Exam Review | 50 Questions
and Answers Summary | |Portage Learning
Question 1
Which factor was used to name the tibialis anterior muscle?
A) Size
B) Movement
C) Shape
D) Anatomical region
E) Number of origins
Rationale: “Tibialis” refers to the tibia, and “anterior” indicates its position on the front of the
leg.
Question 2
Which muscle compresses the cheek during whistling or sucking?
A) Risorius
B) Buccinator
C) Zygomaticus
D) Mentalis
E) Masseter
Rationale: The buccinator compresses the cheek, keeping food between teeth.
,ESTUDYR
Question 3
Which muscle wrinkles the chin and protrudes the lower lip?
A) Orbicularis oris
B) Depressor anguli oris
C) Mentallis
D) Risorius
E) Platysma
Rationale: The mentalis elevates and protrudes the lower lip.
Question 4
The rectus abdominis extends the trunk.
A) True
B) False
Rationale: Rectus abdominis flexes the trunk and compresses abdominal contents.
Question 5
Which muscle positions the pectoral girdle by protracting the scapula?
A) Deltoid
B) Teres major
C) Pectoralis major
, ESTUDYR
D) Serratus anterior
E) Trapezius
Rationale: Serratus anterior protracts and stabilizes the scapula.
Question 6
Which muscle elevates ribs 1–2 during inspiration?
A) Diaphragm
B) Intercostals
C) Scalenes
D) Sternocleidomastoid
E) Pectoralis minor
Rationale: Scalenes assist in forced inspiration by elevating ribs 1–2.
Question 7
Which muscle extends the spine during standing back extension?
A) Trapezius
B) Latissimus dorsi
C) Erector spinae
D) Rhomboids
E) Multifidus
Rationale: The erector spinae group is the primary spinal extensor.
BIOL251 Human Anatomy & Physiology I
w/Lab | Module 5 Exam Review | 50 Questions
and Answers Summary | |Portage Learning
Question 1
Which factor was used to name the tibialis anterior muscle?
A) Size
B) Movement
C) Shape
D) Anatomical region
E) Number of origins
Rationale: “Tibialis” refers to the tibia, and “anterior” indicates its position on the front of the
leg.
Question 2
Which muscle compresses the cheek during whistling or sucking?
A) Risorius
B) Buccinator
C) Zygomaticus
D) Mentalis
E) Masseter
Rationale: The buccinator compresses the cheek, keeping food between teeth.
,ESTUDYR
Question 3
Which muscle wrinkles the chin and protrudes the lower lip?
A) Orbicularis oris
B) Depressor anguli oris
C) Mentallis
D) Risorius
E) Platysma
Rationale: The mentalis elevates and protrudes the lower lip.
Question 4
The rectus abdominis extends the trunk.
A) True
B) False
Rationale: Rectus abdominis flexes the trunk and compresses abdominal contents.
Question 5
Which muscle positions the pectoral girdle by protracting the scapula?
A) Deltoid
B) Teres major
C) Pectoralis major
, ESTUDYR
D) Serratus anterior
E) Trapezius
Rationale: Serratus anterior protracts and stabilizes the scapula.
Question 6
Which muscle elevates ribs 1–2 during inspiration?
A) Diaphragm
B) Intercostals
C) Scalenes
D) Sternocleidomastoid
E) Pectoralis minor
Rationale: Scalenes assist in forced inspiration by elevating ribs 1–2.
Question 7
Which muscle extends the spine during standing back extension?
A) Trapezius
B) Latissimus dorsi
C) Erector spinae
D) Rhomboids
E) Multifidus
Rationale: The erector spinae group is the primary spinal extensor.
