MedSoc SBAs

Question 1

Some inherited diseases, such as hypertrophic cardiomyopathy can be caused by mutations in different genes. What is this called?

Answer 1

Locus heterogenecity

Question 2

Would a high HCO3 concentration in the blood be associated with ketoacidosis?

Answer 2

No

Question 3

What is the rate limiting enzyme in the TCA (Krebs’) cycle

Answer 3

Isocitrate dehydrogenase

Question 4

Renin is released…

Answer 4

secondary to a decrease in renal perfusion

Question 5

Where is ADH synthesised?

Answer 5

The hypothalamus - it is released from the posterior pituitary

Question 6

How is cortisol transported around the body?

Answer 6

Bound to plasma proteins

Question 7

Severe pulmonary hypertension often happens as a result of…

Answer 7

right sided heart failure

Question 8

A tumour of the what can be symptomless until it starts impeding on neighbouring structures?

Answer 8

The nasopharynx

Question 9

What is the dermatome for the umbilicus?

Answer 9

T10

Question 10

What is McBurney’s point?

Answer 10

The point 1/3 of the way from the ASIS to the umbilicus. It is the point where the most pain is elicited in acute appendicitis.

Question 11

What is the secretion of the parotid glands?

Answer 11

Serous - contains amylase

Question 12

From which week of pregnancy is surfactant detectable?

Answer 12

Week 24

Question 13

At what level does the spinal cord end?

Answer 13

L2 (L1/L2)

Question 14

Vasopressin (ADH) predominantly acts upon what parts of the kidney?

Answer 14

The distal convoluted tubule and collecting ducts

Question 15

What does the zona fasciculata of the adrenal glands secrete?

Answer 15

Cortisol

Question 16

What vein drains the adrenal glands?

Answer 16

The suprarenal vein

Question 17

What structure allows communication between the greater and lesser omental sac?

Answer 17

The foramen of Winslow

Question 18

In the coagulation cascade, what activates fibrinogen?

Answer 18

Factor IIa

Question 19

What is the identifying characteristic of a neutrophil?

Answer 19

Multilobed nucleus

Question 20

What is the identifying characteristic of a basophil?

Answer 20

Bilobed nucleus

Question 21

What is the identifying characteristic of a eosinophil?

Answer 21

Bilobed, lozenge shaped nucleus

Question 22

Where is Vitamin D 25 hydroxylase found and what does it produce?

Answer 22

Liver

Produces calcidiol from cholecalciferol

Question 23

Where is Vitamin D 1 hydroxylase found and what does it produce?

Answer 23

Kidney

Produces calcitriol from calcidiol