Skin care Pigment Quiz

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  • 1/95 Questions

    Ectropion is the abnormal inversion of the:

    • Eyelashes
    • Bilateral upper eyelids
    • Upper eyelids
    • Lower eyelids
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Eye Quizzes & Trivia
About This Quiz

The Skin Care pigment quiz assesses knowledge on eye anatomy and related medical procedures. It covers topics such as the lacrimal system, sclera, vitreous humor, and surgical interventions for eye diseases, enhancing understanding crucial for medical studies.

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  • 2. 

    The removal of the redundant folds of the skin of the eyelid and any herniated pockets of fat for cosmetic reasons

    • Keratoplasty

    • Iridectomy

    • Blepharoplasty

    • Cyclodialysis

    Correct Answer
    A. Blepharoplasty
    Explanation
    Blepharoplasty is a surgical procedure that involves removing excess skin and fat from the eyelid to improve its appearance. It is commonly performed for cosmetic reasons to eliminate redundant folds of skin and correct herniated pockets of fat. This procedure can help rejuvenate the eyelids, making them appear smoother and more youthful. Keratoplasty, iridectomy, and cyclodialysis are unrelated to the removal of redundant folds of skin and herniated fat in the eyelid.

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  • 3. 

    The suture most common to ophthalmology

    • 4-0 to 10-0

    • 5-0 to 2

    • 2-7

    • 3-0

    Correct Answer
    A. 4-0 to 10-0
    Explanation
    The correct answer is 4-0 to 10-0. In ophthalmology, sutures of varying sizes are used depending on the specific procedure and the delicate nature of the eye. The range of 4-0 to 10-0 refers to the size of the suture thread, with 4-0 being thicker and 10-0 being thinner. These sutures are used for different purposes, such as closing incisions, repairing tissues, and securing implants. The smaller the number, the thinner the suture, allowing for more precise and delicate work in ophthalmic surgeries.

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  • 4. 

    When the surgeon is looking away from the field, the surgeon:

    • Is able to take questions and discuss the next step

    • Can lose concentration and the focus of the surgery

    • None of the above

    Correct Answer
    A. Can lose concentration and the focus of the surgery
    Explanation
    When the surgeon is looking away from the field, they can lose concentration and the focus of the surgery. This is because the surgeon needs to maintain a constant focus on the surgical field to ensure accuracy and precision during the procedure. Any distractions or loss of focus can potentially lead to errors or complications during the surgery. Therefore, it is important for the surgeon to remain fully engaged and attentive to the task at hand.

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  • 5. 

    Aqueous humor is found in the:

    • Posterior chamber

    • Crystalline lens

    • Anterior chamber

    • Pupil

    Correct Answer
    A. Anterior chamber
    Explanation
    The aqueous humor is a clear fluid that fills the anterior chamber of the eye, which is the space between the cornea and the iris. It provides nourishment to the cornea and lens, helps maintain the shape of the eye, and regulates intraocular pressure. The posterior chamber is located behind the iris and in front of the lens, and it contains a different fluid called vitreous humor. The crystalline lens is a transparent structure located behind the iris and is responsible for focusing light onto the retina. The pupil is the opening in the center of the iris that allows light to enter the eye.

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  • 6. 

    The most common benign eyelid tumor is:

    • Chalazion

    • Hordeolum

    • Pteryglum

    • Sty

    Correct Answer
    A. Chalazion
    Explanation
    A chalazion is a common benign eyelid tumor characterized by a painless, slow-growing lump on the eyelid. It occurs when the oil glands in the eyelid become blocked, leading to the formation of a cyst. Chalazions are typically not painful and can be treated with warm compresses, gentle massage, and sometimes antibiotic ointments or steroid injections. Unlike hordeolum (also known as a stye), which is an infection of the eyelid glands and causes a painful, red bump, a chalazion is usually painless and more chronic in nature. Pteryglum is a growth on the conjunctiva, not the eyelid, making it an incorrect option.

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  • 7. 

    What is function of the iris?

    • To alter the shape of the crystalline lens during accommodation

    • To regulate the amount of light entering the eye through the pupil

    • To produce tears

    • To allow the optic nerve to carry visual impulses to the brain

    Correct Answer
    A. To regulate the amount of light entering the eye through the pupil
    Explanation
    The iris is responsible for regulating the amount of light entering the eye through the pupil. It acts like a camera aperture, adjusting the size of the pupil to control the amount of light that reaches the retina. In bright light, the iris contracts, making the pupil smaller to reduce the amount of light entering the eye. In dim light, the iris expands, making the pupil larger to allow more light to enter. This helps to protect the sensitive retina from excessive light and optimize visual clarity in different lighting conditions.

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  • 8. 

    An operation that is performed when the sensory layer of the retina and the pigment epithelium layer become separated from each other is called:

    • Scleral buckling

    • Cataract extraction

    • Vitreous replacement

    • Keratoplasty

    Correct Answer
    A. Scleral buckling
    Explanation
    Scleral buckling is a surgical procedure performed when the sensory layer of the retina and the pigment epithelium layer become separated from each other. This procedure involves placing a silicone or plastic band around the outer wall of the eye (sclera) to push the retina back into its normal position and reattach it to the underlying tissue. This helps to restore vision and prevent further damage to the retina. Cataract extraction, vitreous replacement, and keratoplasty are unrelated procedures and do not address the separation of these retinal layers.

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  • 9. 

    A soft dressing or hard ____ may be used to protect the eye after surgery.

    • Shield

    • Splint

    • Scope

    • Rubber

    Correct Answer
    A. Shield
    Explanation
    After eye surgery, it is important to protect the eye from any external damage or pressure. A soft dressing or a hard shield can be used for this purpose. A shield is a protective device that covers and safeguards the eye, preventing any accidental contact or injury. It acts as a barrier between the eye and the external environment, ensuring proper healing and recovery after surgery. Therefore, a shield is the most suitable option for protecting the eye post-surgery.

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  • 10. 

    At what age is a cochlear implant contraindicated in children?

    • Under 3 years old

    • Under 2 years old

    • More than 5 years old

    • Not contraindicated in children, regardless of their air

    Correct Answer
    A. Under 2 years old
    Explanation
    A cochlear implant is contraindicated in children under 2 years old. This means that it is not recommended or advised to perform a cochlear implant surgery on children who are younger than 2 years old. This could be due to various factors such as the child's developmental stage, the potential risks involved, or the effectiveness of the implant at such a young age.

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  • 11. 

    A suction device is used to remove the morcellated tissue. 

    • #10 poole

    • #11 frazier

    • #9 yankauer

    • #11 taylor

    Correct Answer
    A. #11 frazier
    Explanation
    The correct answer is #11 frazier. A Frazier suction device is commonly used in surgical procedures to remove small fragments of tissue, including morcellated tissue. This device has a narrow, tapered tip that allows for precise suctioning and is often used in neurosurgery and other delicate procedures. The other options, such as the Poole suction, Yankauer suction, and Taylor suction, are different types of suction devices that may be used for other purposes in surgery.

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  • 12. 

    The surgical removal of a cholesteatoma and mastoid bone with or without reconstruction is called

    • Tympanoplasty

    • Myringoplasty

    • Turbinectomy

    • Not related

    Correct Answer
    A. Tympanoplasty
    Explanation
    Tympanoplasty is the correct answer because it involves the surgical removal of a cholesteatoma, which is a type of abnormal skin growth in the middle ear. Additionally, the procedure may also involve the removal of the mastoid bone and reconstruction of the middle ear. Myringoplasty is a different surgical procedure that specifically focuses on repairing a perforated eardrum, while turbinectomy is the surgical removal of nasal turbinates to treat certain nasal conditions. Therefore, these options are not related to the surgical removal of a cholesteatoma and mastoid bone.

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  • 13. 

    A cochlear implant is used to transmit external sound directly to the 

    • 8th cranial nerve

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. 8th cranial nerve
    Explanation
    A cochlear implant is a medical device that is used to help individuals with severe hearing loss or deafness. It bypasses the damaged parts of the ear and directly stimulates the auditory nerve, which is also known as the 8th cranial nerve. By transmitting external sound signals directly to the auditory nerve, a cochlear implant can help individuals perceive sound and improve their ability to communicate and understand speech.

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  • 14. 

    Which of the following instruments would be used to remove nasal polyps?

    • Wilde forceps

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Wilde forceps
    Explanation
    Wilde forceps would be used to remove nasal polyps. These forceps are a specialized instrument designed for grasping and removing tissue, such as polyps, from the nasal cavity. They have a long, slender shape with a curved tip that allows for precise and controlled maneuvering in the nasal passages. By using the wilde forceps, healthcare professionals can safely and effectively remove nasal polyps, improving breathing and reducing symptoms for the patient.

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  • 15. 

    Mid face advancement is performed to correct a bony deformity of the 

    • Maxilla

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Maxilla
    Explanation
    Mid face advancement is a surgical procedure that is used to correct a bony deformity of the maxilla. The maxilla is the upper jawbone, and if it is misaligned or protruding, it can cause aesthetic and functional issues. Mid face advancement involves repositioning the maxilla to improve facial symmetry and balance. This procedure is commonly used in cases of maxillary hypoplasia or retrusion, where the maxilla is underdeveloped or recessed. By advancing the maxilla, the facial profile can be improved, and any associated breathing or chewing difficulties can be alleviated.

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  • 16. 

    Which of the following best describe a LeFort 1 fracture?

    • Alveolar process of the maxilla is horizontally separated from the base of the skull

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Alveolar process of the maxilla is horizontally separated from the base of the skull
    Explanation
    A LeFort 1 fracture is a type of facial fracture where the alveolar process of the maxilla (the upper jaw) is horizontally separated from the base of the skull. This type of fracture typically occurs due to a significant impact to the face, such as in a car accident or a fall. It is important to diagnose and treat LeFort 1 fractures promptly to prevent complications and restore proper function and appearance of the facial structures.

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  • 17. 

    Which of the following is a purpose of arch bars?

    • Stabilize the sphenoid bone

    • Stabilize the maxillary bones

    • Stabilize the zygomatic bones

    • Stabilize the palatine bones

    Correct Answer
    A. Stabilize the maxillary bones
    Explanation
    Arch bars are used to stabilize the maxillary bones. They are commonly used in oral and maxillofacial surgery to immobilize and align fractured maxillary bones, particularly in cases of maxillary fractures or jaw dislocation. Arch bars act as a rigid framework that holds the maxillary bones in place, allowing for proper healing and alignment. They are typically secured to the teeth using wires or screws, providing stability and support to the fractured bones during the healing process.

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  • 18. 

    One of the fundamental goals of any maxillomandibular procedure is to preserve the patient's _____ between the mandible, maxilla, and mid face bones. 

    • Facial structure

    • Dentition

    • Facial nerves

    • Unique bite pattern

    Correct Answer
    A. Dentition
    Explanation
    In maxillomandibular procedures, the preservation of the patient's dentition is a fundamental goal. This refers to the patient's teeth, including their alignment, occlusion, and overall oral health. Preserving the dentition is important to maintain proper chewing function, aesthetics, and overall oral health. It also ensures that the patient's bite pattern remains intact, which is essential for proper jaw movement and alignment.

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  • 19. 

    Most endoscopic procedures of the nose are performed to treat ______. 

    • Inflammatory or infectious diseases

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Inflammatory or infectious diseases
    Explanation
    Endoscopic procedures of the nose are commonly used to treat inflammatory or infectious diseases. These procedures allow doctors to visualize and access the nasal cavity and sinuses, enabling them to remove obstructions, drain fluids, and treat infections. By using an endoscope, which is a thin, flexible tube with a light and camera attached, doctors can accurately diagnose and treat conditions such as sinusitis, nasal polyps, chronic rhinosinusitis, and fungal infections. These procedures are minimally invasive and offer a faster recovery time compared to traditional surgical techniques.

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  • 20. 

    The mucous membrane which line the eyelid and covers the anterior surface of the eye is:

    • Conjunctiva

    • Canthus

    • Cornea

    • Sclera

    Correct Answer
    A. Conjunctiva
    Explanation
    The correct answer is conjunctiva. The conjunctiva is a thin, transparent mucous membrane that lines the inside of the eyelids and covers the anterior surface of the eye. It helps to protect the eye from foreign particles and lubricates the surface of the eye, allowing for smooth movement of the eyelids.

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  • 21. 

    System which secretes and conducts tears:

    • Sensory receptors

    • Zonules

    • Tarsal plate

    • Lacrimal gland and ducts

    Correct Answer
    A. Lacrimal gland and ducts
    Explanation
    The lacrimal gland and ducts are responsible for secreting and conducting tears. The lacrimal gland produces tears, which are then carried through the lacrimal ducts to the surface of the eye. Tears help keep the eye lubricated and protect it from foreign particles. Therefore, the lacrimal gland and ducts play a crucial role in maintaining the health and function of the eye.

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  • 22. 

    The outer coat of the eye made up of transparent portion (cornea) and white:

    • Sclera

    • Retina

    • Pupil

    • Iris

    Correct Answer
    A. Sclera
    Explanation
    The outer coat of the eye is made up of two parts: the transparent portion called the cornea and the white portion called the sclera. The cornea is responsible for protecting the eye and helps to focus light onto the retina. The sclera, on the other hand, provides structural support to the eye and gives it its characteristic white appearance. Therefore, the correct answer is Sclera.

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  • 23. 

    Clear, jelly-like fluid in the posterior cavity of the eye which fills the vitreous body:

    • Sensory receptors

    • Lacrimal gland

    • Aqueous humor

    • Vitreous humor

    Correct Answer
    A. Vitreous humor
    Explanation
    The clear, jelly-like fluid in the posterior cavity of the eye is called vitreous humor. It fills the vitreous body and helps maintain the shape of the eye. It also plays a role in transmitting light to the retina and providing support to the delicate structures within the eye. The vitreous humor is different from the aqueous humor, which is a watery fluid found in the anterior chamber of the eye. The other options, sensory receptors and lacrimal gland, are not related to the vitreous humor.

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  • 24. 

    Socket in the cranium in which the eyeball is partially sunk:

    • Boney orbit

    • Extrinsic eye muscle

    • Intrinsic eye muscle

    • Optic nerve

    Correct Answer
    A. Boney orbit
    Explanation
    The correct answer is "Boney orbit" because it refers to the socket in the cranium where the eyeball is partially sunk. The boney orbit provides protection and support for the eyeball and its associated structures.

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  • 25. 

    ______ is performed to treat an intraocular malignancy such as retinoblastoma and melanoma.

    • Exenteration

    • Blepharoplasty

    • Enucleation

    • Evisceration

    Correct Answer
    A. Enucleation
    Explanation
    Enucleation is the surgical procedure performed to treat intraocular malignancies such as retinoblastoma and melanoma. It involves the removal of the entire eye, including the eyeball, but leaving the eye muscles and remaining orbital tissues intact. This procedure is necessary when the tumor is confined within the eye and has not spread to surrounding tissues. Enucleation allows for the complete removal of the malignancy, reducing the risk of further spread and potentially saving the patient's life.

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  • 26. 

    Orbital decompression is most commonly indicated for:

    • Hypothyroidism or Graves disease

    • Traumatic fracture

    • Postoperative infection

    • Glaucoma

    Correct Answer
    A. Hypothyroidism or Graves disease
    Explanation
    Orbital decompression is a surgical procedure that is most commonly indicated for patients with Hypothyroidism or Graves disease. These conditions can cause an enlargement of the eye muscles and fatty tissue behind the eyes, leading to proptosis (bulging of the eyes) and compression of the optic nerve. Orbital decompression helps to alleviate these symptoms by removing a portion of the bone from the eye socket, creating more space for the eye to move back into a normal position and relieving pressure on the optic nerve. It is not indicated for traumatic fracture, postoperative infection, or glaucoma.

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  • 27. 

    Ophthalmic muscle surgery is performed to correct deviation of the eye caused by:

    • Blunt trauma

    • Paralysis of the levator palpebrae muscle

    • Deficient nerve stimulation

    • Strabismus

    Correct Answer
    A. Strabismus
    Explanation
    Ophthalmic muscle surgery is performed to correct strabismus, which is a condition characterized by the misalignment of the eyes. Strabismus can cause the eyes to turn inward, outward, upward, or downward, leading to double vision and reduced depth perception. Surgery is often recommended when non-surgical treatments like eyeglasses or eye patches fail to correct the misalignment. During the surgery, the ophthalmic muscles are adjusted to improve the alignment of the eyes, allowing them to work together effectively. This helps to improve vision and prevent further complications associated with strabismus.

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  • 28. 

    ___ is performed to create a permanent opening in the tear duct for the drainage of tears.

    • Lacrimal duct probing

    • Dacryocystorhinostomy

    • Dacryocystitis

    • Dacryocstocele

    Correct Answer
    A. Dacryocystorhinostomy
    Explanation
    Dacryocystorhinostomy is performed to create a permanent opening in the tear duct for the drainage of tears. This procedure is typically done when there is a blockage or narrowing in the tear duct that prevents tears from draining properly. By creating a new opening between the tear duct and the nasal cavity, tears are able to flow freely and alleviate symptoms such as excessive tearing, recurrent eye infections, and swelling around the tear duct. Dacryocystorhinostomy is considered a more permanent solution compared to other procedures like lacrimal duct probing, which is a temporary measure to clear a blockage.

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  • 29. 

    Clear, watery fluid that fills the anterior and posterior chambers in the front of the eye is called:

    • Vitreous humor

    • Choroid

    • Aqueous humor

    • Enucleation

    Correct Answer
    A. Aqueous humor
    Explanation
    The clear, watery fluid that fills the anterior and posterior chambers in the front of the eye is called aqueous humor. It is produced by the ciliary body and helps maintain the shape of the eye, nourish the cornea and lens, and regulate intraocular pressure. Aqueous humor is constantly being produced and drained out of the eye to maintain a balance.

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  • 30. 

    A pigmented contractile membrane composed mainly of muscle tissue is known as the 

    • Pupil

    • Palpebral conjunctiva

    • Lacrimal caruncle

    • Iris

    Correct Answer
    A. Iris
    Explanation
    The iris is a pigmented contractile membrane composed mainly of muscle tissue. It is responsible for controlling the size of the pupil, which regulates the amount of light that enters the eye. The iris also gives the eye its color and helps protect the internal structures of the eye.

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  • 31. 

    A process in which the lens continually changes shape to maintain the focus of an image on the retina 

    • Anatomy

    • Ophthalmic

    • Accommodation

    • Traction

    Correct Answer
    A. Accommodation
    Explanation
    Accommodation refers to the process in which the lens of the eye adjusts its shape to maintain focus on an image as it moves closer or farther away from the eye. This is important for clear vision at different distances. The lens becomes thicker or thinner, allowing it to refract light and bring it to a point of focus on the retina. This ability of the lens to change shape is necessary for the eye to adjust its focus and see objects clearly at varying distances.

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  • 32. 

    Which of the following statements regarding ophthalmic sutures is true?

    • Sutures are available in sizes 0 to 6-0

    • Single-armed sutures are used

    • Sutures should be handled as little as possible

    • Double-armed suture are used to close puncture wounds

    Correct Answer
    A. Sutures should be handled as little as possible
    Explanation
    It is important to handle ophthalmic sutures as little as possible to minimize the risk of contamination and damage to the delicate eye tissues. Excessive handling can introduce bacteria or cause the suture to fray, which can lead to infection or poor wound healing. Therefore, it is crucial to minimize handling and ensure proper aseptic technique when using ophthalmic sutures.

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  • 33. 

    The drug given to prevent or treat infection

    • Miochol

    • Garamycin

    • Cyclogel

    • Lidocaine

    Correct Answer
    A. Garamycin
    Explanation
    Garamycin is the correct answer because it is an antibiotic medication that is commonly used to prevent or treat infections. It belongs to the aminoglycoside class of antibiotics and is effective against a wide range of bacteria. Garamycin works by inhibiting the synthesis of proteins in bacteria, thereby preventing their growth and replication. It is commonly used in the treatment of various types of infections, including respiratory tract infections, skin and soft tissue infections, urinary tract infections, and more.

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  • 34. 

    The drug that should not be used on a patient with glaucoma

    • Atropine

    • Garamycin

    • Miochol

    • Pilocarpine

    Correct Answer
    A. Atropine
    Explanation
    Atropine should not be used on a patient with glaucoma because it is a medication that dilates the pupil and can increase intraocular pressure. Glaucoma is a condition characterized by increased pressure within the eye, and using atropine can further elevate the pressure, potentially worsening the symptoms and causing damage to the optic nerve. Therefore, it is contraindicated in patients with glaucoma. Garamycin, Miochol, and pilocarpine are not specifically contraindicated in glaucoma patients, making them safer options.

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  • 35. 

    The drug that should never be injected

    • Neo-synepherine

    • Cocaine

    • Decadron

    • Neospring

    Correct Answer
    A. Cocaine
    Explanation
    Cocaine is a drug that should never be injected because of its highly addictive nature and dangerous health effects. Injecting cocaine can lead to severe cardiovascular problems, such as heart attack or stroke, as well as damage to the respiratory system. Additionally, injecting cocaine increases the risk of contracting bloodborne diseases like HIV or hepatitis due to sharing contaminated needles. The use of cocaine can also have detrimental effects on mental health, leading to paranoia, anxiety, and psychosis. Therefore, injecting cocaine is extremely hazardous and should be avoided at all costs.

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  • 36. 

    Used to stain the cornea for detecting corneal abrasions and foreign bodies

    • Bss

    • Neo-synephrine

    • Fluorescein-sodium

    • Cocaine

    Correct Answer
    A. Fluorescein-sodium
    Explanation
    Fluorescein-sodium is used to stain the cornea for detecting corneal abrasions and foreign bodies. When applied to the eye, it binds to damaged corneal tissue and highlights any scratches or foreign objects present. This staining helps healthcare professionals identify and diagnose corneal injuries, allowing for appropriate treatment to be administered. BSS, neo-synephrine, and cocaine do not have the specific staining properties of fluorescein-sodium and are not commonly used for this purpose.

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  • 37. 

    The piece of machinery that will almost always be in the OR for eye surgery:

    • Phacoemulsifier

    • Bovie

    • Microscope

    • Argon coagulator

    Correct Answer
    A. Microscope
    Explanation
    A microscope is an essential piece of equipment in the operating room for eye surgery. It allows surgeons to magnify and visualize the delicate structures of the eye, enabling precise and accurate surgical interventions. By providing a clear view of the surgical site, the microscope helps surgeons perform procedures such as cataract removal, corneal transplant, and retinal surgeries with high precision and success rates. Without a microscope, it would be extremely challenging for surgeons to perform intricate eye surgeries effectively.

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  • 38. 

    A procedure used to strengthen a weak muscle by excising a portion of the muscle and reattaching the remainder is:

    • Myectomy

    • Recession

    • Resection

    • Tucking

    Correct Answer
    A. Resection
    Explanation
    Resection is a procedure used to strengthen a weak muscle by removing a portion of the muscle and then reattaching the remaining part. This helps to improve the overall function and strength of the muscle. Myectomy involves the removal of a muscle, which is not the correct procedure for strengthening a weak muscle. Recession refers to the surgical lengthening of a muscle, which is also not the correct procedure. Tucking is not a medical term related to muscle strengthening procedures.

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  • 39. 

    Which of the following statements about ophthalmic surgery is FALSE?

    • Microscopes are used on most procedures

    • All drapes and sponges should be lint-free

    • Sutures sizes range from 0 to 20-0

    • Local anesthesia is most commonly used

    Correct Answer
    A. Sutures sizes range from 0 to 20-0
    Explanation
    The statement "sutures sizes range from 0 to 20-0" is false. Suture sizes used in ophthalmic surgery typically range from 9-0 to 12-0, with smaller numbers indicating finer sutures. The range mentioned in the statement is incorrect.

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  • 40. 

    The only prep that can be instilled in the eye is:

    • Green soap

    • 5% sterile betaine solution

    • Alcohol

    • 5% sterile betadine soap

    Correct Answer
    A. 5% sterile betaine solution
    Explanation
    The correct answer is 5% sterile betaine solution because it is the only option that can be safely instilled in the eye. Green soap and alcohol are not suitable for use in the eye as they can cause irritation and damage to the delicate tissues. Betadine soap is also not recommended for use in the eye as it is too strong and can be harmful. Betaine solution, on the other hand, is a mild and sterile solution that is commonly used for eye irrigation and cleansing.

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  • 41. 

    Recession/resection is the surgical treatment for:

    • Cataract

    • Glaucoma

    • Strabismus

    • Retinal detachment

    Correct Answer
    A. Strabismus
    Explanation
    Recession/resection is a surgical treatment for strabismus. Strabismus is a condition where the eyes are not properly aligned and do not work together. Recession refers to the surgical procedure of weakening an eye muscle, while resection involves strengthening an eye muscle. These procedures are performed to correct the imbalance in eye muscle strength and alignment, allowing the eyes to work together and improve binocular vision. Cataract, glaucoma, and retinal detachment are different eye conditions that require different surgical treatments.

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  • 42. 

    Which of the following uses heat to coagulate or destroy tissue?

    • Phacoemulsifer

    • Endo photocoagulation

    • Cryotherapy

    • Diathermy

    Correct Answer
    A. Diathermy
    Explanation
    Diathermy is a medical technique that uses heat to coagulate or destroy tissue. It involves the use of high-frequency electrical currents to generate heat, which is then applied to the targeted area. This heat can be used to coagulate blood vessels, cauterize tissue, or destroy abnormal growths. Diathermy is commonly used in various surgical procedures, such as cutting or sealing blood vessels, removing tumors, or treating conditions like hemorrhoids. It provides a precise and controlled way to coagulate or destroy tissue, making it an effective tool in medical interventions.

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  • 43. 

    Phacoemulsification is one method of:

    • Removing an opaque lens

    • Opening a blocked tear duct

    • Treating glaucoma

    • Measuring intraocular pressure

    Correct Answer
    A. Removing an opaque lens
    Explanation
    Phacoemulsification is a surgical technique used to remove an opaque lens. This method involves using ultrasound energy to break up the lens into tiny fragments, which are then suctioned out through a small incision. By removing the opaque lens, vision can be restored in patients with conditions such as cataracts, where the lens becomes cloudy and obstructs vision.

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  • 44. 

    What instrument is used to remove the recipient cornea during keratoplasty?

    • Clotting punch

    • Oscillating knife

    • Trephine

    • Keratose

    Correct Answer
    A. Trephine
    Explanation
    A trephine is a surgical instrument that is commonly used in keratoplasty to remove the recipient cornea. It is a circular blade that is used to create a precise and uniform circular cut in the cornea, allowing for the transplantation of a donor cornea. The trephine ensures that the donor cornea fits properly and securely in the recipient's eye, promoting successful healing and visual outcomes. The other options, clotting punch, oscillating knife, and keratose, are not typically used in this procedure.

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  • 45. 

    Which of the following is NOT a bone of the orbit?

    • Ethmoid

    • Spheniod

    • Mandible

    • Maxilla

    Correct Answer
    A. Mandible
    Explanation
    The mandible is not a bone of the orbit. The orbit is the bony socket that houses the eyeball, and it is formed by several bones including the ethmoid, sphenoid, and maxilla. The mandible, also known as the jawbone, is not part of the orbit. It is a separate bone that forms the lower jaw and is responsible for movements such as chewing and talking.

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  • 46. 

    Eye sponges made of lint-free _____ or similar material.

    • Cellulose

    • Absorption

    • Pneumostatic

    • None of the above

    Correct Answer
    A. Cellulose
    Explanation
    Eye sponges made of lint-free cellulose or similar material are used because cellulose is a highly absorbent and soft material. It is able to effectively absorb fluids and debris from the eye without leaving any lint or fibers behind. This makes it safe and suitable for use in delicate areas such as the eye. Cellulose is also biodegradable, making it an environmentally friendly option for eye sponges.

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  • 47. 

    Most ophthalmic surgery is performed using a regional anesthetic with monitored sedation.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Most ophthalmic surgeries, such as cataract surgery or glaucoma surgery, are performed using a regional anesthetic with monitored sedation. Regional anesthesia involves numbing a specific area of the body, in this case, the eye and surrounding tissues, to block pain signals. Monitored sedation is used to keep the patient relaxed and comfortable during the procedure. This combination of regional anesthesia and monitored sedation allows for a safer and more controlled surgical experience for the patient. Therefore, the statement "Most ophthalmic surgery is performed using a regional anesthetic with monitored sedation" is true.

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  • 48. 

    Cryotherapy involves the utilization of:

    • Radiation

    • Heat

    • Cold

    • Electrocautery

    Correct Answer
    A. Cold
    Explanation
    Cryotherapy involves the utilization of cold temperatures to treat various conditions. It is a therapeutic technique that uses extreme cold to freeze and destroy abnormal tissues or cells. This can be done through the application of ice packs, ice baths, or specialized equipment that delivers controlled cold temperatures to specific areas of the body. Cold therapy helps to reduce inflammation, numb pain, and promote healing by constricting blood vessels and slowing down cellular metabolism. It is commonly used in sports medicine, dermatology, and other medical fields for its analgesic and anti-inflammatory effects.

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  • 49. 

    The _____ transmits the vibrations of the TM and the other ossicles to the inner ear via the oval window.

    • Malleus

    • Incus

    • Anvil

    • Stapes

    Correct Answer
    A. Stapes
    Explanation
    The stapes is the correct answer because it is the third bone in the middle ear, also known as the stirrup. Its main function is to transmit the vibrations received from the tympanic membrane and the other ossicles (malleus and incus) to the inner ear through the oval window. This transmission of vibrations is crucial for the process of hearing.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 07, 2017
    Quiz Created by
    Ashley

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