Random things

Question 1

Pancoast tumour

Answer 1

Recurrent laryngeal nerve compression

Located at apex of lung

Question 2

Arteriograms

Answer 2

Used to detect coronary artery dominance

Question 3

Phrenic nerve

Answer 3

Sensory supply to pericardium, parietal pleura, parietal peritoneum and central part of diaphragm
Motor supply to diaphragm

Question 4

What binds calcium

Answer 4

Heparin, citrate, EDTA

Question 5

Anaemia of chronic disease

Answer 5

Iron stuck in macrophages

Poor mobilisation

Question 6

Treating chronic anaemia

Answer 6

Supplements of iron/B12
erythropoeitin
transfusion causes iron overload
Allo antibodies

Question 7

Blood film morphology in iron deficiency

Answer 7

Hypochromia
Microcytosis
target cells
Pencil cells

Question 8

Cholesterol esters in blood vessel wall

Answer 8

Can be hard/solid

Oxidised and taken up by macrophages

Question 9

Factor V and VIII

Answer 9

Are co factors, not enzymes
Are active initially
Inactivated by protein c and s

Question 10

What is required for plasmin to mature

Answer 10

tPA - found on surface of endothelial cells

Question 11

What percentage of population is Rh+ve

Answer 11

85%

Question 12

What does intravascular lysis cause

Answer 12

Shock, hypotension, tachycardia, renal failure, haemoglobinuria, DIC, death

Question 13

How much more oxygen is there on Hb than dissolved in blood

Answer 13

70x

Question 14

Causes of anaemia of chronic disease

Answer 14

Chronic inflammation, infection, autoimmune, cancer, renal failure

Question 15

Bone marrow infiltration

Answer 15

Leukaemia: bone marrow failure
Lymphoma: lymphadenopathy
Myeloma: anaemia, hypercalcaemia, renal failure, bone lesions