Cell injury quiz 1 Posted on January 6, 2022September 30, 2023 by Abdelrahman Khalifa 922 Cell injury _1 1 / 18 In the bronchi of chrnic smoker, the lining epithelium is showing the following changes:-Darkly stained neucleus-Variation in size and shape of cells-Loss of polarityThese changes affect the lower 2/3 of the lining epithelium. Mild dysplasia Moderate dysplasia Hypertrophy Anaplasia Hyperplasia 2 / 18 Reduction in the size of Thymus after puberty is an example of: Hypoplasia Hypertrophy Agenesia Atrophy 3 / 18 All the following changes are consistent with reversible cell injury EXCEPT: Cell swelling Damage of DNA and RNA Mitochondrial swelling Granular cytoplasm 4 / 18 In a patient with mitral stenosis. Cardiac chambers are thickened due to: Physiological hypertrophy Pathological hyperplasia Pathological hypertrophy Physiological hyperplasia 5 / 18 Ischemia leads to which of the following changes? Hypertrophy Activation of Na-K pump Decreased intracellular sodium Decreased ATP 6 / 18 Which of the following is related to Anaplasia ? Similar to metaplasia Physiological adaptation Irritation of epithelium Malignant Tumors 7 / 18 Activation of which of the following enzymes is involved in Cell death? Endonuclease Phsphokinases Superoxide dismutase Catalase 8 / 18 In a female patient with prolonged use of estrogen therapy, She developed endometrial bleeding. Biopsy revealed endometrial Hyperplasia.Which of the following changes occur in this endometrium? Formation of new type of lining epithelium Increased size of endometrial cells Decreased size of endometrial glands increased number of endometrial glands and cells 9 / 18 Which of the following factors lead to irreversible cell injury? Increased intracellular calcium Increased intracellular potassium Water influx increased extracellular Sodium 10 / 18 What is the most common cause of cell injury? Chemical injury Hypoxia Trauma Genetic disorders 11 / 18 Hypoplasia means: Reduced size of the full developed organ Complete absence of organ Failure of the organ to reach full development Decreased number of cells due to apoptosis 12 / 18 Role of Alcohol in fatty changes of liver include all the following EXCEPT: Increased Lipolysis Increased Fatty acid synthesis Toxic to liver cells Increased fatty acid oxidation 13 / 18 All the following changes are seen in gross picture of Liver steatosis EXCEPT: Soft and greasy Sharp borders Pale yellow color Large size 14 / 18 In a patient with urniary bladder stones, an area of thick white tissue is developed. Biopsy revealed transformation of transitional epithelium into stratified squamous. Anaplasia Transitional metaplasia Hyperplasia Dysplasia Squamous metaplasia 15 / 18 All cellular adaptations are : Caused by injury of short duraton Reversible Leading to cell death Irreversible 16 / 18 Microscopic picture of hydropic swelling include all the following EXCEPT: Damaged cell membrane Normal neucleus Compressed capillaries Intracellular water vacuoles 17 / 18 During an examination of a newborn baby, the right testis was completely absent. This is a case of : Testicular Atrophy Testicular hypoplasia Testicular Aplasia Testicular agenesia 18 / 18 Signt ring cells are seen in: Necrosis Hydropic swelling Fatty changes Cloudy swelling Your score is The average score is 88% 0% Restart quiz