SERIES PREP Exam
Which artery primarily supplies blood to the face and anterior scalp?
- External carotid artery
- Internal carotid artery
- Vertebral artery
- Subclavian artery
Answer: A
Explanation: The external carotid artery supplies blood to the face, scalp,
and superficial structures of the head, making it the main vessel for facial and anterior scalp blood supply.
Which lymph node group primarily drains the maxillary sinus?
- Submental nodes
- Submandibular nodes
- Deep cervical nodes
- Parotid nodes
Answer: C
Explanation: The deep cervical lymph nodes drain the maxillary sinus
and other deep structures of the head and neck.
The blood components responsible for clotting are primarily found in which component?
- Plasma 1 / 4
SERIES PREP Exam
- Red blood cells
- Platelets (thrombocytes)
- White blood cells
Answer: C
Explanation: Platelets are cell fragments in blood that play a critical role
in blood clotting and hemostasis.
The bones forming the calvaria (skullcap) include all EXCEPT:
- Frontal bone
- Parietal bones
- Occipital bone
- Mandible
Answer: D
Explanation: The mandible is part of the facial skeleton, not the calvaria
or cranial vault.
The temporomandibular joint (TMJ) is classified as which type of joint?
- Hinge joint
- Saddle joint
- Condylar joint
- Plane joint
Answer: C 2 / 4
SERIES PREP Exam
Explanation: The TMJ is a synovial condylar joint that allows movement
such as depression, elevation, and lateral movements of the mandible.
The masseter muscle originates from the:
- Zygomatic arch
- Maxillary tuberosity
- Temporal fossa
- Mandibular notch
Answer: A
Explanation: The masseter originates from the zygomatic arch and
inserts on the lateral surface of the mandibular ramus.
Which muscle of facial expression is responsible for raising the eyebrows?
- Orbicularis oculi
- Frontalis
- Buccinator
- Platysma
Answer: B
Explanation: The frontalis muscle elevates the eyebrows and wrinkles the
forehead.
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SERIES PREP Exam
The primary function of the genioglossus muscle is to:
- Elevate the tongue
- Protrude the tongue
- Retract the tongue
- Depress the soft palate
Answer: B
Explanation: The genioglossus is the main protruder of the tongue,
originating from the genial tubercles and inserting into the tongue.
The cervical vertebrae are characterized by which of the following features?
- Large body and no transverse foramen
- Transverse foramina and bifid spinous processes
- No vertebral foramen
- Long spinous processes only
Answer: B
Explanation: Cervical vertebrae have transverse foramina for the
passage of vertebral arteries and often bifid spinous processes.
The central nervous system consists of which structures?
- Brain and spinal cord
- Cranial nerves and spinal nerves
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