Astrocytoma - Study guides, Class notes & Summaries

CPHON Exam 195 Questions with Verified Answers Classification of Methotrexate - CORRECT ANSWER antimetabolite (s-phase) Classification of mercaptopurine and thioguinine - CORRECT ANSWER antimetabolite(s-phase) Classification of fludarabine/nelarabine - CORRECT ANSWER anti-metabolite Classification of cytarabine/gemcitabine - CORRECT ANSWER antimetabolite Classification and sub-class of ironotecan/topotecan - CORRECT ANSWER Topoisomerase inhibitors (campotothecins) Classificatio...

CNRN 2024 WITH 100% ACCURATE SOLUTIONS Which of the following tumor types will have a higher incidence in pediatric populations and have a decreased incidence with age? A. Glioblastoma B. Pilocytic astrocytoma C. Central nervous system lymphoma D. Metastatic brain tumor - correct answer B Rationale: Both pilocytic astrocytoma and medulloblastoma brain tumors are more commonly found in the younger population. The incidence of these tumors will decrease with age. Glioblastomas are more ...

PATHOLOGY HIGH YIELD NBME ELABORATED QUESTIONS AND REVIEWED ANSWERS 2023/2024 Anticentromere antibodies - CORRECT ANSWER-Scleroderma (CREST) Antidesmoglein (epithelial) antibodies - CORRECT ANSWER-Pemphigus vulgaris (blistering) Anti-glomerular basement membrane antibodies - CORRECT ANSWER-Goodpasture's syndrome (glomerulonehpritis and hemoptysis) Antihistone antibodies - CORRECT ANSWER-Drug-induced SLE (hydralazine, isoniazid, phenytoin, procainamide) Anti-IgG antibodies - CORRE...

___ clicks help resolve wave V of the BAEP - Condensation 60 HZ filters cause a change of latency by a: - a. phase shift 60. Reduction of the high frequency filter: - c. Increases evoked potential latency A "ground loop" is created when: - Two separate devices are attached to the same patient and have two separate grounding connections A BAEP reveals an interpeak latency of 2ms between waves I and III and an interpeak latency of 3.57 between waves III and V. Subsequently MRI detects a le...

CRO Test 1 Questions & Answers 2024/2025 Which of the following is a malignant type of tumor? Craniopharyngioma Meningioma Anaplastic astrocytoma Pituitary adenoma - ANSWERSAnaplastic astryocytoma What is the relationship between salivary gland size and cancer? Tumors in large glands are usually benign Tumors in large gland are usually malignant Gland size is unrelated to probability of malignancy Gland size is proportionately related to malignancy - ANSWERSTumors in large glands...

NSC 3361 Exam 1 Questions with Correct Answers Stages of Neural Development - Answer-1. Neurogenesis 2. Cell Migration 3. Differentiation 4. Synaptogenesis 5. Neuronal cell death 6. Synapse rearrangement Neurogenesis - Answer-mitosis produces neurons Problems: microcephaly Cell migration - Answer-cells move to final locatin. Double band cortex occurs if cell migration doesn't happen correctly Problems: genetic disease Differentiation - Answer-cells become distinctive neurons/...

NSC Exam 1 Questions & Answers 2024/2025 4 neuron functional zones - ANSWERSinput zone - dendrites integration zone - axon hillock conduction zone - axon output zone - axon terminals What kind of neurons make up most of the CNS? - ANSWERSinterneurons astrocytoma - ANSWERStumor in brain or spinal cord - cancerous - astrocytes rapidly multiplying Alexander disease - ANSWERSgenetic mutation causes astrocytes unable to get rid of GFAP (something they produce) --> they fill ...

High amplitude is considered above ____ uV 150 uV Irreversible brain injury CBF (cerebral blood flow) 10-12 mL/100/min Brainpower Read More 0:14 / 0:15 JME age onset 12-18 yo Most common type of epilepsy surgery anteromedial temporal resection Drop attack treatment corpus collosectomy Common cause of gelastic epilepsy hammartoma, astrocytoma physiological causes of raised ICP Hypoxia, hypercapnia, pain, low cerebral Perfusion pressure, exaggerated HTN ...

Which of the following tumor types will have a higher incidence in pediatric populations and have a decreased incidence with age? A. Glioblastoma B. Pilocytic astrocytoma C. Central nervous system lymphoma D. Metastatic brain tumor - Answer- B Rationale: Both pilocytic astrocytoma and medulloblastoma brain tumors are more commonly found in the younger population. The incidence of these tumors will decrease with age. Glioblastomas are more frequently found in young adults. CNS lymphoma and m...

Rdx Neuro H&N Exam Questions & Answers 2023/2024 1. Pilocytic astrocytoma of posterior fossa. Likely CT finding A. CT hyperdense noncontrast, cerebellar vermis B. CT hyperdense noncontrast, cerebellar hemisphere C. CT hypodense noncontrast, brainstem D. CT mass with enhancing nodule, cerebellar hemisphere - ANSWER-D. CT mass with enhancing nodule, cerebellar hemisphere Cyst with enhancing nodule 2. Medulloblastoma. Likely CT finding A. CT hyperdense noncontrast, cerebellar ve...