ETEA MDCAT Past Paper 2023 Re conduct 1- Cell death due to tissue damage is called? A. ApoptosisB. NecrosisC. CancerD. Metastasis View Answer Answer : B. Necrosis Description 2- Autoclave chambers are used for of surgical instruments? A. SterilizationB. FiltrationC. DesiccationD. Radiation View Answer Answer : A. Sterilization Description 3- The incubation period of syphilis is: A. 0-7 daysB. 1-2 weeksC. 2-3 weeks D. 3-4 weeks View Answer Answer : D. 3-4 weeks Description 4- Muscle fatigue results due to deficiency of ___ and excess accumulation of ___ . A. Adenosine triphosphate, lactic acidB. Adenosine triphosphate, ionic imbalance C. Glucose, lactic acid D. Glucose, ionic imbalance View Answer Answer : A. Adenosine triphosphate, lactic acid Description 5- A male or female child of an affected mother has 50% chance of acquiring the disorder. Such a disorder is: A. X linked recessive disorder B. X linked Dominant disorderC. Y linked Dominant disorder D. Y linked recessive disorder View Answer Answer : B. X linked Dominant disorder Description 6- Which is the factory for synthesis of sugar in autotronic eukaryotes? A. MitochondriaB. ChloroplastC. RibosomeD. Amyloplasts View Answer Answer : B. Chloroplast Description 7- The co enzyme NAD is made up of? A. VitaminsB. Amino acids C. NucleotidesD. Sugar View Answer Answer : C. Nucleotides Description 8- Storage diseases are caused by the excessive accumulation of substances within the cell, due to defects (mutations) in one of the ______ enzymes. A. AmylaseB. LysosomalC. LyaseD. Lipase View Answer Answer : B. Lysosomal Description 9- Function of the nucleolus is to form: A. Nuclear envelope B. ChromosomeC. rRNAD. cytoplasm View Answer Answer : C. rRNA Description 10- a shallow groove in cerebrum is called ___ and deep groove is called ___ ? A. sulcus, fissureB. fissure, sulcus C. gyrus, fissure D. fissure, gyrus View Answer Answer : A. sulcus, fissure Description 11- which brings membrane potential to threshold? A. Influx of sodium ions across the post synaptic membraneB. Outflow of sodium ions across the post synaptic membrane C. Outflow of calcium ions across the post synaptic membrane D. Influx of potassium ions across the post synaptic membrane View Answer Answer : A. Influx of sodium ions across the post synaptic membrane Description 12- What alters the shape of enzymes and makes them functional: A. CofactorB. Other enzymes C. ProteinsD. Both A and C View Answer Answer : A. Cofactor Description 13- Which of the following is known as the vessels of the vessels? A. Vasa vasorumB. Tunica media C. Tunica externa D. Tunica interna View Answer Answer : A. Vasa vasorum Description 14- Which of the following is true about occurrence of erythroblastosis foetalis? A. Occurs when both father and mother are Rh +ive B. Occurs when both father and mother are Rh -ve C. Occurs when mother is Rh +ive and father is Rh -ive D. Occurs when mother is Rh – ive and father is Rh +ive View Answer Answer : D. Occurs when mother is Rh – ive and father is Rh +ive Description 15- All are properties of water, EXCLUDINGS? A. Polar nature B. Universal solvent C. Hydrogen bonding D. Becomes denser when its freezes View Answer Answer : D. Becomes denser when its freezes Description 16- Thymus gland is involved in maturation of which of the following? A. PlateletsB. EosinophilsC. B- Lymphocytes D. T-Lymphocytes View Answer Answer : D. T-Lymphocytes Description 17- Which component is present only in the cell wall of Gram-positive bacteria but NOT in Gram negative bacteria? A. Teichole acidB. LipidsC. PeptidoglycanD. Periplasmic space View Answer Answer : A. Teichole acid Description 18- In breastfeeding mothers, which hormone would be at an increased level? A. ProlactinB. ThyroxinC. AldosteroneD. Insulin View Answer Answer : A. Prolactin Description 19- Mendel’s law of independent assortment can be explained by: A. Behavior of chromosomes in mitosis B. Behavior of chromosomes in meiosisC. Gene behavior in mitosis D. Both A and B View Answer Answer : B. Behavior of chromosomes in meiosis Description 20- Which of the following is a rod shape virus? A. Herpes virus B. BacteriophageC. Hepatitis virus D. Tobacco mosaic virus View Answer Answer : D. Tobacco mosaic virus Description 1 2 3 4 5 6 7 8 9 10
