• hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    NERVES
    212. Postural Reflex Stretch Reflex
    213. Spasticity is defined as Hyper-Responsive Stretch Reflex
    – Spasticity is a hypertonus state of the affected muscles due to a releases of the tonic inhibition of the brainstem,
    facilitatory info which leads to gamma motor neuron excitation. Thus, hyperactivity of the gamma fibers
    214. Where does this…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    IMMUNE SYSTEM
    199. Alternative complement pathway starts with C3(C5a = Chemoattractant)
    200. Interferon gamma (IF-G) receptor complex produces dimerization of chains secreted by T cells, anti-viral/tumor,
    part of Class II interferons
    201. Cytotoxic T cells recognize? MHC I
    202. T-cell receptors (TCR) are similar to which one? Fab
    203. Which of the…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    RANDOM & ENZYMES & AA
    171. Know Cytochrome P450. Choose exception
    – Present in all tissues of the body & help w/ hormone synthesis/breakdown, cholesterol synthesis, Vit D
    metabolism
    Metabolize toxic compounds, mostly in liver
    172. Enzyme: Competitive Inhibitor Increase Km & Vmax Remains the Same
    – Noncompetitive Inhibitors Km stays the same and…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    SUGAR & INSULIN
    122. What hormone stores glucose in adipose tissue? Insulin
    123. Decreased insulin will result in increased gluconeogenesis
    124. What is phosphorylated in an insulin receptor? tyrosine
    125. What needs a protein transporter to cross the cell membrane? Glucose via GLUT 4

    FAC BIDIRECTIONAL TRANSPORTION
    126. Glucagon signals through?…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    SALIVA
    109. Why is saliva hypotonic? Salivary duct cells reabsorb Na+ & Cl- in exchange for K+ and HC03-
    – Saliva is hyposmolar b/c reabsorption of water by striated duct cells is less than reabsorption of Na+
    110. What nerve innervates the salivary glands of the palate? CN 7
    111. Which salivary glands are only mucus secreting? Palatine salivary…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    DRUGS
    85. Penicillin resistance comes from bacteria that contain what enzyme? Beta-lactamase
    86. MOA of amoxicillin? Disrupts cell wall & inhibits cross-linking between peptidoglycan chains for gram (+)/(-)
    87. Why doesn’t Amphotericin B work against bacteria? Ergosterol (fungi have in cell wall, bacteria don’t)
    88. Polyene anti-fungal are s…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    VIRUS
    66. How is Arbovirus transmitted? Arthropods
    – acryonym: ARthropod-BOrne virus
    67. Which virus doesn’t have latent phase? Rhinovirus & coronavirus
    – these DO establish a latent infection EBV, HVS-1 & 2, VZV, CMV (all herpesvirus) HEH CV
    68. Herpes virus is the only virus that gets its cell wall from? Host Nuclear Membrane
    – Herpes Virus…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    BACTERIA
    18. Pt has swelling of submandibular, tenderness. Pt is alcoholic. Radiographic-mass radiopaque (sialolith)-
    circumscribed, 1 cm x 1 cm, what is the reason for swelling? Bacterial infection
    19. Best method for bacteria to replicate & transfer most genetic information? Conjugation
    – Transformation = bacteria takes up extracellular donor…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    FUNGI
    1. Organisms that exhibit dimorphism and grow on Sabouraud’s medium (low pH): Fungi
    2. Type of agar used for most fungi? Sabouraud agar
    3. Organism that causes athletes foot (tinea pedis) Trichophyton
    4. Which fungal infection leads to superficial skin disease? Trichophyton
    – Epidermophyton & Microsporum cause dermatophytosis. Tx w/…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    Porphyrin which is essential for heme synthesis is derived from which amino acid?
    A- arginine
    B- glycine
    C- histidine
    D-methionine
    b

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    What muscles are involved with border molding for a complete denture mandibular final impression?
    a. Buccinator, masseter, mylohyoid, palatoglossal, medial pterygoid and the superior constrictor muscle
    b. Buccinator, masseter, mylohyoid, palatoglossal, and the genioglossus muscle
    c. Buccinator, masseter, mylohyoid, hyoglossus and the superior…[Read more]

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    Primary maxillary molar roots, resembles 1st permanent maxillar molar

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    Maxillary sinus drain into?
    Hiatus semilunaris

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    the start of permanent teeth development ?
    a. 3 months in utero
    b. 4 months in utero
    c. 2 weeks in utero
    d. 1 weeks in utero
    b

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    Which muscle has the most important role for jaw closure, closing the mouth? Options were: A) Temporalis 😎 Medial Pterygoid
    C) Masseter
    c

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    Do patient with salivary duct obstruction,alwz have infections? If yes then why
    Depends on minor salivary glands causes mucocele in the major salivary glands if it can cause infection x ecstasy and accumulation of the content of the gland

  • hayam31 replied to the topic mcq dentistry 4 in the forum Group logo of mcq dentistrymcq dentistry 1 year, 10 months ago

    Nasolacrimal duct drainage into?
    Inferior meatus

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