Dentosphere : World of Dentistry

# Immunological function of blood is due to: A. Monocytes B. Lymphocytes C. Acidophils D. Neutrophils # Blood constitutes how much percent of body part ? A. 15 % B. 20 % C. 65 % D. 8 %

# Of the following four bacterial species, which is least likely to be found in plaque ? A. Actinomyces viscosus B. Streptococcus mutans C. Streptococcus salivarius D. Streptococcus sanguis # The common etiology of periodontitis is: A. Occlusal trauma B. Systemic factors C. Local irritating factors D. Hormonal defects # Predominant bacteria found in two days old plaque is: A. Streptococci B. Bacteroides C. Spirochaetes D. Actinomyces # In deep older plaque : A. Streptococci and Actinomyces are replaced by rod-like organism B. Streptococci are completely replaced by Neisseria C. Streptococci, Actinomyces and Veilonella remain prominent D. Actinomyces are completely replaced by Streptococci # Actinobacillus actinomycetemcomitans is commonly associated with: A. Juvenile periodontitis B. Adult periodontitis C. Refractory periodontitis D. All of the above #...

2016 1. Enumerate the CSF findings and morphological changes in the brain in case of Tuberculosis meningitis. (2.5+2.5=5) 2. Write brief about diffusely infiltrating astrocytoma. (5) 2015 1. Enlist the indication and contraindication of lumbar puncture. (3+2=5) 2. Describe the microscopic features of astrocytoma in a child. (2) 3. Describe the brain abscess under following heading: (1.5x2=3) a. Gross and microscopic feature b. Complication 2014 1. Enumerate the degenerative disease of basal ganglia and brain stem. Write about the microscopy changes seen in Alzheimer’s disease. (1+4=5) 2. Mention the most important cause and age of occurrence of subarachnoid hemorrhage. Describe its location with the help of a well-labeled diagram. (1+1+3=5) 2013 1. Write briefly on sub-arachnoid hemorrhage with a labeled diagram of major vessels involved. (3+2=5) 2. Describe the morphologic features of Alzheimer’s disease. (5) 2012 1. Describe the microscopic picture of Alzhe...

2016 1. Explain the biochemical basis of myasthenia gravis. (2) 2. What are the indications of CSF analysis? Explain the utility of measuring some biochemical parameters in CSF. (3) 2015 1. Mention the role of neurotransmitter in development of Schizophrenia. (5) 2014 1. Write the biochemical basis of myasthenia gravis. (2) 2. Explain how biochemical examination of CSF helps in differential diagnosis of meningeal diseases. (3) 2013 1. Mention the possible biochemical events involved in Alzheimer disease. (3) 2. List four properties of acetylcholine receptor. (2) 2012 1. List the genetic culprit proteins leading to alzheimer’s disease. (3) 2. Write the biochemical pathway of epinephrine neurotransmitter synthesis in the brain. (2) 2011 1. Explain with a diagram the role of acetylcholine at the neuromuscular junction and the biochemical basis of myasthenia gravis. (5) 2010 1. Mention the steps of epinephrine synthesis and breakdown. (2) 2. Explain the bioc...

2016 1. Describe three basic functions of cerebrospinal fluid. (6) 2. Write about the spatial and temporal summation of postsynaptic potentials. (1.5+1.5=3) 3. How is a generator potential similar and different from a receptor potential? (1.5+1.5=3) 4. What is referred pain? How is it useful in diagnosing internal disorder? (1+2=3) 5. List and explain the pathways that control the motor activity of distal muscles. (4) 6. What is dysdiadochokinesia? It is observed in lesions of which part of the brain and why? (2+1+2=5) 7. What is muscle spindle? Draw a well labeled diagram of it. Explain briefly the role of gamma motor neuron on it. (1+3+2=6) 8. List the centers in the categorical hemisphere that are concerned with language comprehension and explain their functions. (4) 9. What is a conditional reflex? Explain operant conditioning with its physiological significance. (2+4=6) 2015 1. Define adequate stimulus. Describe briefly the “Law of Specific Nerve Energies”. (5)...

2016 1. Draw a well labeled diagram of transverse section of midbrain at the level of superior colliculus. (5) 2. Write down the blood supply of internal capsule with suitable diagram. (5) 3. Mention the blood vessels forming the Circle of Willis along with diagram. (5) 4. Name the lobes of cerebral cortex. Name the functional areas & the functions related to any one lobe of cerebral cortex. (5)

Numbers in the brackets indicate marks allocated. SHORT ANSWER QUESTIONS SECTION - A 1. Define shock. Enumerate types of shock. Describe briefly the stages of Septic shock. (1+1+3=5) 2. Define Neoplasia. What are the modes of spread of malignant tumors? Give one example each. (1.5+2+1.5=5) 3. Define Edema. Mention the pathophysiologic causes of edema. (2+3=5) 4. Define thrombus. What are the predisposing factors of thrombus formation? Enumerate the fates of a thrombus. (1+2+2=5) 5. Differentiate between dystrophic and metastatic calcification. (5) 6. Write short notes on: (5+5=10) a. Type I hypersensitivity reaction b. Autosomal dominant disease SECTION - B 7. Write briefly on: (5*4=20) a. Gram's Staining b. Cultivation of Viruses c. Genetic transfer of antimicrobial resistance among bacterial population d. Common disinfectants used in  hospital 8. Draw a schematic diagram of Bacteriophage and mention its medical importance. (2.5+2.5=5) 9. Defin...