EXTERNAL EAR- Pinna / Auricle AURICLE OR PINNA The entire pinna (except its lobule and outer part of external acoustic canal) is made up of a framework of a single piece of yellow elastic cartilage There is no cartilage between the tragus and crus of the helix – incisura terminalis An incision made in this […]
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Pinna / Auricle Q. 1 Ear pinna develops from ____________ A Ectoderm B Endoderm C Mesoderm D All Q. 1 Ear pinna develops from ____________ A Ectoderm B Endoderm C Mesoderm D All Ans. A Explanation: Ans:A.)Ectoderm First branchial cleft is the precursor of external auditory canal. Around the sixth week of embryonic life, a
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(VON RECKLINGHAUSEN’S DISNEUROFIBROMATOSISEASE) NEUROFIBROMATOSIS (VON RECKLINGHAUSEN’S DISEASE) Neurofibromatosis type 1 (NF1) and type 2 (NF2) are neurocutaneous disorders inherited as autosomal dominant genetic syndromes.. Neurofibromatosis type 1 The clinical criteria used to diagnose NF1 are as follows, in the absence of alternative diagnoses: Six or more café-au-lait spots or hyperpigmented macules =5 mm in diameter
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(VON RECKLINGHAUSEN’S DISNEUROFIBROMATOSISEASE) Q. 1 All are seen in neurofibromatosis EXCEPT? A Meningioma B Lisch nodule C Axillary freckling D Shagreen patch Q. 1 All are seen in neurofibromatosis EXCEPT? A Meningioma B Lisch nodule C Axillary freckling D Shagreen patch Ans. D Explanation: Shagreen patch REF: Harrison’s 17th ed chapter 374 “Shagreen patch is seen
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Bioterrorism Agent DEFINIITION: Bioterrorism is terrorism involving the intentional release or dissemination of biological agents. These agents are bacteria, viruses, fungi, or toxins, and may be in a naturally occurring or a human-modified form, in much the same way in biological warfare. Sentinel laboratories are mainly involved in Control of Bioterrorism Category A Definition The U.S. public health system and primary healthcare providers must
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Bioterrorism Agent Q. 1 Sentinel laboratories are mainly involved in: A External Quality Assessment of laboratories B Diagnosis of HIV infection C Control of Bioterrorism D Diagnosis of Tuberculosis Q. 1 Sentinel laboratories are mainly involved in: A External Quality Assessment of laboratories B Diagnosis of HIV infection C Control of Bioterrorism D Diagnosis of
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SALVAGE PATHWAY OF PURINE NUCLEOTIDES SALVAGE PATHWAY OF PURINE NUCLEOTIDES SYNTHESIS Free purine bases and nucleosides are formed in the cell during the metabolic degradation of nucleic acids and nucleotides and then they are reused in the formation of purine nucleotides called as Salvage pathway. Less energy consuming pathway. It occurs in tissues like RBCs and
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Salvage pathway of purine nucleotide synthesis Q. 1 The purines salvage pathway is for: A Hypoxanthine and Xanthine B Hypoxanthine andAdenine C Adenine and Guanine D Xanthine and Guanine Q. 1 The purines salvage pathway is for: A Hypoxanthine and Xanthine B Hypoxanthine andAdenine C Adenine and Guanine D Xanthine and Guanine Ans. B Explanation:Hypoxanthine
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Factors affecting enzyme activity Factors affecting enzyme activity Introduction: Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Decrease in activation energy leads to an increase in enzyme activity. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability
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Factors affecting enzyme activity Q. 1 Enzyme activity is expressed as: A Millimoles /lit? B Milli gm/lit? C Mg/ dl D Micromoles/min Q. 1 Enzyme activity is expressed as: A Millimoles /lit? B Milli gm/lit? C Mg/ dl D Micromoles/min Ans. D Explanation: Ans. is. D. Micromoles/min Q. 2 Which of the following leads to an
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