PTS mock 1

Question 1

what histological stain stains brush borders and hexose sugars magenta

Answer 1

Periodic acid schiff

Question 2

what is endocytosis

Answer 2

a process where cells ingest material from outside the cell by enclosing it within a portion of their cell membrane which buds off to form a vesicle

Question 3

what is observer bias

Answer 3

when variables are reported differently between assessors

Question 4

what is incidence defined as

Answer 4

the number of new cases, within a specified time period divided by the population size at risk

Question 5

what type of blood cell is typically elevated in parasitic infections

Answer 5

eosinophil

Question 6

what has a similar function to ANP

Answer 6

adrenaline acting of an a2 receptor

Question 7

airway smooth muscle constriction is stimulated by Ach release acting in which type of receptors

Answer 7

M3 subtype of muscarinic receptors

Question 8

what hormone has the strongest effect in inhibiting gastric emptying

Answer 8

Cholecystokinin

Question 9

which enzyme hydrolyses triglycerides

Answer 9

lipoprotein lipase

Question 10

which areas of the pancreas does the ventral pancreatic bud form

Answer 10

uncinate process, main pancreatic duct and pancreatic head

Question 11

through what process is glutamate converted to ammonium

Answer 11

oxidative deamination

Question 12

what is the data described as when the median is greater than the mean

Answer 12

negatively skewed

Question 13

what are Renshaw cells

Answer 13

specialised population of interneurons that are stimulated by alpha motor neurons and through a feedback system can be alpha motor neurons causing autoinhibition

Question 14

does total peripheral resistance decrease of increase during pregnancy

Answer 14

decrease

Question 15

what can a blood test show high levels of which shows menopause

Answer 15

follicle stimulating factor

Question 16

the urogenital organs are developed from which layer of the germ cells

Answer 16

intermediate mesoderm

Question 17

what level does the renal artery come off the abdominal aorta

Answer 17

L2

Question 18

what part of the female genitals do the urethral folds form

Answer 18

labia minora

Question 19

what is the precursor molecule to adrenaline

Answer 19

noradrenaline

Question 20

which kidney cells are responsible for controlling acid-base balance

Answer 20

intercalated cells