What tumour marker is for - Study guides, Class notes & Summaries

QUESTIONS Question 1 Regarding medical ethics, if a man is discovered to be hepatitis B or C positive, is it advisable for the physician to inform the wife or sexual contact of the patient? Question 2 Is it unlawful in most countries to limit medical care, particularly by rationing the usage of drugs? Surely rationing must be against the oath we took as doctors to provide the best care available. Question 3 What is meant by QALYs? Is there a difference between quality and q...

Describe the events of fertilisation that occur after the acrosome reaction. -Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane -Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in towards the centre of the bilayer Describe the role of the CFTR protein in e...

Explain how the structure of DNA is related to its functions (6 marks) - answer-- sugar-phosphate (backbone)/double stranded/helix so provides strength/stability/protects bases/protects hydrogen bonds - long/large molecule so can store lots of information - helix/coiled so compact - base sequence allows information to be stored/ base sequence codes for amino acids/protein - double stranded so replication can occur semi-conservatively/strands can act as templates/complementary base pairing/A-...

CCFP GENERAL Sx of discontinuation with stopping SSRIs/SNRIs. (7) - Answer- Headaches Agitation Insomnia Nausea Dizziness/imbalance flulike Sensory disturbances With depression, % of improvement on r/a to continue with same med (ie what is response threshold for non-response What is threshold for full response? - Answer- 25%+ =partial sx remission 50%+ = sx remission "full" What types of back pain are worse with extension? How can you tell them apart? - Answer- spinal steno...

Cancer 1. Question: A 36-year-old patient indicates that she wants both of her breasts removed because of a strong family history of breast cancer. Her mother developed breast cancer at age 45 and died of that disease at age 50. Her older sister is now dying of breast cancer at age 44. The patient has two young daughters and does not want to risk dying before her children grow up. What advice should the nurse give her? 2. Question: A 48-year-old patient is concerned about the radiation exp...

Explain how the structure of DNA is related to its functions (6 marks) - answer-- sugar-phosphate (backbone)/double stranded/helix so provides strength/stability/protects bases/protects hydrogen bonds - long/large molecule so can store lots of information - helix/coiled so compact - base sequence allows information to be stored/ base sequence codes for amino acids/protein - double stranded so replication can occur semi-conservatively/strands can act as templates/complementary base pairing/A-...

SPECIMEN MATERIAL AQA Biology A-Level Paper 2 Specimen QP A-level BIOLOGY (7402/2) Paper 2 Specimen 2014 Session Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the bottom of this page. • Answer all questions. Information • The marks for questions are shown in brackets. • The maximum mark for this pape...