MEQ 2012 1b Flashcards Preview

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Flashcards in MEQ 2012 1b Deck (25)
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1

what 2 effects does stimulation of beta-1 receptors have on the heart

increased heart rate
increased force of myocardial contraction

2

where in the stomach will you find most parietal cels?

body

3

what do d cells in the stoma ch produce? what is their function?

somatostatin.
suppresses gastrin, CCK, secretin and VIP release

4

give an example of hormone coming from zona fasiculata, glomerulosa, reticularis

glomerulosa - aldosterone
fasiculata - cortisol
reticularis - testosterone

5

what enzyme will you find in zona glomerulosa but not in any other part of the gland?

aldosterone synthase

6

what condition causes release of hormones from zona glomerulosa?

hypotension

7

2 effects that the hormone released from zona glomerulosa will have on the kidney

increased Na/K ATPase pump

so..
sodium reabsorption and potassium secretion

8

define stress

any outside factor that can have an affect on the internal functioning of the human body, which can manifest itself in a biochemical, behavioural, physiological, cognitive or emotional way

9

2 examples of behavioural stress

increased alcohol consumption
increased smoking
poor sleep
over/under eating

10

eustress meaning?

stress that is good for you. positive stress e.g. a promotion at work

11

5 features of a type A personality

competetive, irritable, ambitious, rigidly organised, highly status conscious, can be sensitive, care for other people, truthful, impatient, take on more they can handle

12

what is the normal GFR?

90 - 120 mL/min/1.73 m2

13

what 2 types of nerve fibres does pain affect?

C fibres, A delta fibres

14

surgery on the diaphragm, pain in the tip of right shoulder?

D is supplied by phrenic nerve which begins in nerves C3,4 & 5. Shoulder is supplied by dermatomes C3, 4. Therefore irritation of the diaphragm presents as pain in the tip of the shoulder

15

3 non pharma treatments for pain

hypnotherapy, social reinforcement, pleasant activity scheduling

16

2 components that give strength to bone

calcium
collagen

17

Health economics: define opportunity cost

opportunity cost of an activity is the sacrifice in terms of benefits foregone from not allocating resources to the next best activity.

18

what is incremental cost?

Incremental cost is the overall change that a company experiences by producing one additional unit of good.

19

2 factors taken into account for quality adjusted life years?

quality of life, number of years the pt lives

20

2 types of economic evaluation

cost analysis
cost-benefit analysis

21

which artery supplies the occipital lobe?

posterior cerebral artery

22

what name is given to the photopigment cells of rods?

rhodopsin

23

what is the function of rods and cones

rods - peripheral vision
cones - colour vision, visual acuity

24

what secretes CSF?

choroid plexus

25

what reabsorbs CSF

arachnoid granules