Exam One: Anatomy, Head and Neck
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Questions and Answers

Which of the following is NOT an accurate characteristic regarding Horner's Syndrome?

  • Vasoconstriction (correct)
  • Partial ptosis
  • Miosis
  • Anhidrosis
  • Is held together in place by ligaments and fibers and assists with adjustment of vision

  • Retina
  • Cornea
  • Lens
  • Iris (correct)
  • Where is the Choroid Plexus located?

  • In the 1st and 2nd ventricles
  • In the 4th and 5th ventricles
  • In the 3rd and 4th ventricles (correct)
  • In the 2nd and 3rd ventricles
  • CN III is responsible for innervating all of the extraocular muscles EXCEPT

    <p>Lateral rectus muscle</p> Signup and view all the answers

    Is associated with mineral imbalance

    <p>Rickets</p> Signup and view all the answers

    Which of the following is NOT considered an unpaired bone of the skull?

    <p>Ethmoid bone</p> Signup and view all the answers

    Is a form of bone cancer

    <p>Osteosarcoma</p> Signup and view all the answers

    What cranial nerve is responsible for innervating the superior oblique muscle?

    <p>CN IV</p> Signup and view all the answers

    Which of the following is NOT a true statement regarding brain tumors?

    <p>They metastasize</p> Signup and view all the answers

    Is a clinical disorder described by having an excess of aqueous fluid, which leads to increased pressure

    <p>Glaucoma</p> Signup and view all the answers

    How is meningitis diagnosed?

    <p>Collection of CSF by lumbar puncture</p> Signup and view all the answers

    Which of the following is NOT a reason as to why meninges are vulnerable to pathogens?

    <p>Skull fully fused, no flexibility for swelling</p> Signup and view all the answers

    Is the color portion of the eye

    <p>Iris</p> Signup and view all the answers

    A child was stung by a bee on their lip. The lip begins to swell and the child cries from pain. What nerve was innervated?

    <p>Trigeminal nerve</p> Signup and view all the answers

    Which of the following is NOT a bone that forms the eye orbit?

    <p>Orbital process of palatine bone</p> Signup and view all the answers

    What cranial nerve is responsible for innervating the lateral rectus muscle?

    <p>CN VI</p> Signup and view all the answers

    Patient presents with memory loss and reasoning skills. Labs reveal that the patient has an accumulation of excess CSF within the ventricular system, due to decreased reabsorption of CSF. Patient is at great risk for necrosis and ischemia, so it is imperative that your team works quickly. Which of the following best describes the clinical disorder your patient is presenting with?

    <p>Hydrocephalus</p> Signup and view all the answers

    Which of the following is NOT a true statement regarding intramembranous ossification?

    <p>Only occurs one time in livelihood</p> Signup and view all the answers

    Patient arrived at the hospital because they suffered from a head trauma, which led to an aneurysm. Initial evaluation reveals that the patient had pupillary dilation, which arose from CN III palsy. What clinical disorder is this patient presenting with?

    <p>Papilledema</p> Signup and view all the answers

    What neuroglia cells can be found in the central nervous system?

    <p>All of the above</p> Signup and view all the answers

    Contains significant integrity, which helps maintain the shape of the eye

    <p>Vitreous body</p> Signup and view all the answers

    Which of the following is NOT a mimetic muscle?

    <p>Medial rectus</p> Signup and view all the answers

    The knee is ____ to the hip, while the elbow is ____ to the wrist

    <p>distal, proximal</p> Signup and view all the answers

    Which of the following is NOT a true statement regarding cataracts?

    <p>Results from an excess of aqueous humor</p> Signup and view all the answers

    Is associated with inflammation or pain in the temporomandibular joint.

    <p>TMJ Syndrome</p> Signup and view all the answers

    How can you assess if the cavernous sinus has been compromised?

    <p>Assess integrity of patient's eye muscle through having them follow the movement of the pencil with their eyes</p> Signup and view all the answers

    Within the meninges, where would you find cerebrospinal fluid?

    <p>Subarachnoid space</p> Signup and view all the answers

    Within the wall is described by the narrowing of the arterial wall due to lipid deposition

    <p>Atherosclerosis</p> Signup and view all the answers

    Which of the following cranial nerves does NOT pass through the cavernous sinus?

    <p>CN X</p> Signup and view all the answers

    Which statement is NOT true regarding endochondral ossification?

    <p>Forms all bones aside from skull, mandible, and clavicle</p> Signup and view all the answers

    What nerve innervates the muscles of mastication?

    <p>Trigeminal nerve - CN V</p> Signup and view all the answers

    Patient is a 49 year old woman that had frequent fractures over the course of a few months. Labs reveal that the patient has deficient estrogen levels and they are unable to promote bone growth. What clinical disorder is this patient presenting with?

    <p>Osteoporosis</p> Signup and view all the answers

    Which of the following is NOT a muscle of mastication?

    <p>Inferior rectus</p> Signup and view all the answers

    Patient is diagnosed with a consensual light reflex. You ask the patient to cover their right eye and you shine a light into the left eye. The left pupil constricts, as you shine the light. If you ask the patient to uncover their right eye, what would you expect to see?

    <p>Right pupil constricts</p> Signup and view all the answers

    Why is the macula the area in which we have the greatest visual acuity?

    <p>Significant amount of rods and cones present</p> Signup and view all the answers

    In a low lighted environment we would expect the pupil to ____ while in an extreme lighted environment, we would expect the pupil to ____

    <p>dilate, constrict</p> Signup and view all the answers

    What is the function of the paranasal sinus?

    <p>Protect against pathogens</p> Signup and view all the answers

    How is cerebrospinal fluid recycled back into the system?

    <p>Sagittal sinus</p> Signup and view all the answers

    Which of the following is NOT a true statement regarding the lacrimal apparatus?

    <p>Helps keep eye in place → conjunctiva</p> Signup and view all the answers

    Which of the following types of neuroglia can you expect to find in the peripheral nervous system?

    <p>Schwann cells</p> Signup and view all the answers

    Which of the following is NOT an extraocular eye muscle?

    <p>Choroid</p> Signup and view all the answers

    If meningitis persists, what may the patient develop?

    <p>Encephalitis</p> Signup and view all the answers

    What statement does NOT align with the characteristics of the otitis externa?

    <p>A lot of cartilage</p> Signup and view all the answers

    What eye muscle is responsible for greatest visual acuity?

    <p>Fovea centralis</p> Signup and view all the answers

    You discover that your patient has a tumor in their occipital lobe. If you ask them to describe a photo of a house, how may they describe what they see?

    <p>The house looks discombobulated</p> Signup and view all the answers

    What nerve is responsible for innervating the mimetic muscles?

    <p>Facial nerve</p> Signup and view all the answers

    Is associated with the inflammation of meninges.

    <p>Meningitis</p> Signup and view all the answers

    Fill in the blanks for the blood supply and drainage of the head and neck → & & →

    <p>Internal Carotid, Jugular Vein, External Carotid</p> Signup and view all the answers

    Fill in the chart regarding Cranial Nerves

    <p>CN I = Sensory CN II = Sensory CN III = Motor CN IV = Motor CN V = Mixed (Sensory and Motor) CN VI = Motor CN VII = Mixed (Sensory and Motor) CN VIII = Sensory CN IX = Mixed (Sensory and Motor) CN X = Mixed (Sensory and Motor) CN XI = Motor CN XII = Motor</p> Signup and view all the answers

    Study Notes

    Exam One: Anatomy, Head and Neck

    • This review provides practice questions to familiarize students with exam content and question formats.
    • Review notes and powerpoints for a complete understanding of the material.

    Horner's Syndrome

    • Horner's Syndrome characteristics do not include partial ptosis.
    • Accurate characteristics include vasoconstriction, miosis, and anhidrosis.

    Choroid Plexus Location

    • The Choroid Plexus is located in the 3rd and 4th ventricles.

    Cranial Nerve III Innervation

    • Cranial Nerve III is not responsible for innervating the lateral rectus muscle; other extraocular muscles are innervated by CN III include superior rectus, medial rectus, and inferior oblique muscles.

    Mineral Imbalance and Associated Conditions

    • Osteoporosis, osteomalacia, and osteosarcoma are conditions associated with mineral imbalance, with osteomalacia.
    • Rickets is NOT associated with mineral imbalance.

    Unpaired Bones of the Skull

    • The temporal bone is a paired bone, not an unpaired bone of the skull.
    • Other unpaired bones include occipital, sphenoid, and ethmoid bones.

    Superior Oblique Muscle Innervation and Cranial Nerve

    • The superior oblique muscle is innervated by Cranial Nerve IV.

    Brain Tumors

    • Brain tumors do not metastasize.
    • The characteristics of brain tumors depend on their location and size, and associated symptoms may vary considerably.

    Aqueous Fluid Disorders

    • Glaucoma is a clinical disorder characterized by excess aqueous fluid, leading to increased pressure.

    Meningitis Diagnosis

    • Meningitis is diagnosed by collecting cerebrospinal fluid (CSF) by lumbar puncture.

    Meninges Vulnerability

    • Meninges are vulnerable to pathogens due to ophthalmic vein drainage into the cavernous sinus and anastomoses connection with capillary beds.

    Eye Anatomy and Visual Acuity

    • The macula is the area in the eye with the greatest visual acuity, due significant rod and cone concentration, and integrity.

    Cranial Nerve for Lateral Rectus Muscle

    • Cranial Nerve VI innervates the lateral rectus muscles

    Hydrocephalus

    • Hydrocephalus is a clinical disorder defined by accumulation of cerebrospinal fluid (CSF) in the ventricles of the brain.

    Intramembranous Ossification

    • Intramembranous ossification occurs multiple times throughout a lifetime, forming skull, mandible, and clavicles. it occurs at 5-6 weeks of embryonic development.

    Muscles of Mastication

    • The muscles of mastication include masseter, temporalis, and medial pterygoid.

    Bone Disorders/Osteoporosis

    • Osteoporosis, as a bone disorder, results in bone thinning due to a deficiency of estrogen, which is responsible for promoting bone growth.

    Cranial Nerves and Cavernous Sinus

    • Cranial Nerve X (vagus nerve) does not pass through cavernous sinus; Cranial Nerves III, IV, and VI do.

    Endochondral Ossification

    • Endochondral ossification involves a progressive process where cartilage is replaced by bone.

    Ophthalmic Vein

    • The ophthalmic vein drains into the cavernous sinus.

    Cerebrospinal Fluid Location

    • Cerebrospinal fluid (CSF) is found in the subarachnoid space within the meninges.

    Neuroglia Cells and Nervous System

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    Description

    Prepare for your Anatomy exam with this comprehensive review quiz focused on the head and neck. Questions cover key topics including Horner's Syndrome, cranial nerve innervation, and mineral imbalances in bone health. Enhance your understanding and boost your confidence before the exam.

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