Tumour Study guides, Revision notes & Summaries

HUBS1416 Practice Exam Questions and Answers Which of the following would be expected to inhibit the generation of an action potential? a) Inflammation of the myelin sheath b) Stimulating GABA receptors c) Blocking acetylcholine receptors d) Activating adrenalin receptors -Answer-b) Stimulating GABA receptors Which is true about neurons? a) At rest a neuron will have a negative membrane potential, due to it having more open K+ channels than Na+ channels b) Inhibitory neurons will relea...

neoplasia new growth due to irreversible genetic changes rendering them unresponsive to ordinary cellular controls mass enlargement of tissue tumour swelling or growth cancer infiltrative behaviour always malignant oncology study of neoplasia neoplasia epi age acquired predispositions environment and behaviour genetics cell injury and neoplasia reversible but increase risk steps in cancer formation

Which surgical techniques and procedures are used to localize brain tumours intraoperatively? (SATA) a. Electroencephalogram (EEG) b. X-ray c. Ultrasound d. Functional magnetic resonance imaging (MRI) e. Cortical mapping f. Computer-guided stereotactic biopsy Correct Answer c, d, e, f EEG is to rule out seizure disorders, X-ray is used to view changes in the skull but may not show soft tissue damages A Client with a head injury presents with loss of corneal reflex. What action should t...

role of epidemiology to assist our understanding of disease patterns and frequencies in order to more efficiently prioritise health issues. measures of epidemiology mortality morbidity infant mortality life expectancy social justice principles equity diversity supportive environments atsi - nature - increased mortality rate - decreased life expectancy - increased youth suicide - increased kidney disease - increased chronic disease atsi - extent - Lower l...

A 65yo man presents with painless hematuria, IVU is normal, prostate is mildly enlarged with mild frequency. What is the most appropriate next step? a. US Abdomen b. Flexible cystoscopy c. MRI d. Nuclear imaging e. PSA - correct answer B. Flexible cystoscopy. [Painless hematuria in an elderly (here 65 years old man) indicates carcinoma bladder for which flexible cystoscopy is done. Here BEP is not advanced to cause hemorrhage. There is mild enlargement of prostate and mild symptoms of ...

Which of the following are important for the reduction of friction in joints during movement? - correct answer Synovial fluid and hyaline cartilage 1. Which organ makes most of the plasma proteins? - correct answer The liver A person with a chronic obstructive disease is unable to ventilate their lungs properly. How will the kidneys respond to this? - correct answer They will excrete more hydrogen ions and retain more bicarbonate ions Albert suffered rheumatic fever as a child, an...

Describe the effects of distal obstructive uropathy on pH, PCo2 and HCO3 correct answers - can cause acute kidney injury via bilateral hydronephrosis - this can increase CK - this volume expansion leads to increase of Renin- angiotension-aldosterone system--> LEADING TO HYPERTENSION -causes problems with acidification of urine--> METABOLIC ACIDOSIS (non anion gap unless uremia) - compensated by respiratory alkalosis and almost normal pH whats normal pCO2 correct answers 33-45 nor...

Aphasia - A neurologically based language disorder -A loss or impairment of language caused by recent brain injury -All, some, or one of the following may be impaired: Verbal expression, auditory comprehension, reading, writing What is the most common cause of aphasia? - Stroke Ischemic stroke - -Stroke caused by a blocked or interrupted blood supply to the brain Thrombus vs embolus - Thrombus: A collection of blood material that blocks the flow of blood Embolus: Travelling mass of arteri...

Biology AQA A level common questions latest 2023 with complete solutions give two factors other than age and gender that would affect the concentration of creatinine in the blood ? muscle/ body mass ethnicity Explain how the cells of the collecting duct are able to absorb water from the filtrate through the protein channels in their plasma membranes? lower w.p/ more negative inside tubule cells so h2o enters by osmosis Suggest why diabetes insipidus is more common in males ? Bc males only hav...

AQA A Level Biology Topic 8 Graded A+ What is a mutation? A change in the DNA sequence What are the 6 types of mutation? (Things that happen with bases) Deletion Addition Duplication Inversion Translocation What is a hereditary mutation? Substitution When a gameate containing a mutation for a type of cancer or genetic disorder is fertilised then it will be present in new foetus What happens during frameshift mutations? Additions, duplications or deletions wit...