Geeky medic questions I got wrong

Question 1

Signs of life threatening asthma

Answer 1

PEFR <33% predicted
SpO2<92%
PaO2<8kPa
Normal PaCO2
Silent chest
Cyanosis
Poor respiratory effort
Arrhythmia
Altered consciousness
Hypotension

Question 2

Signs of acute severe asthma

Answer 2

PEFR 33-50% predicted
Respiratory rate>25
Heart rate >110
Inability to complete full sentences

Question 3

What is required to diagnose different age groups with asthma

Answer 3

Adults - symptoms and positive test results (e.g. improve after bronchodilator therapy)
Children >5 - symptoms and positive test results
Children <5 - symptoms alone - investigate if still present at 5

Question 4

CURB-65

Answer 4

(one point for each)
Confusion
Urea >7mmol/l
Respiratory rate >30
BP <90 systolic or <60 diastolic
Over or equal to 65

Question 5

Which coronary artery supplies the AV node

Answer 5

Right coronary artery

Question 6

Which coronary artery supplies most of the left ventricle

Answer 6

Left anterior descending artery

Question 7

Which coronary artery supplies the AV node in 10% of people

Answer 7

Left circumflex artery

Question 8

Which lung cancer can secrete endocrine hormones

Answer 8

small cell lung cancer

Question 9

What can small cell lung cancers secrete

Answer 9

ACTH, ADH, antibodies against presynaptic Ca2+ channels