Misc

Question 1

concentric vs eccentric isotonic contraction

Answer 1

concentric: muscle shortens
eccentric: muscle lengthens

Question 2

how to produce a tetanic contraction?

Answer 2

induce a frequency of depo where Ca levels don’t dip below threshold

Question 3

what causes passive resting tension

Answer 3

this tension caused by stretch of series elastic and muscle (natural propensity of muscle to recoil due to its elasticity)

Question 4

show flexion/extension of the thumb

Answer 4

show flexion/extension of the thumb

Question 5

how does screening differ from healthcare (3)?

Answer 5

1. proactive
2. targets asymptomatic ppl
3. implies benefit

Question 6

resting MP of muscle

Answer 6

resting MP of this tissue is -80mV

Question 7

3 sources of Ca in smooth muscle

Answer 7

1. voltage-dependent Ca channel
2. hormone/NT gated Ca channels
3. intracellular stores

Question 8

3 types of muscle fibres

Answer 8

1. slow oxidative
2. fast oxidative
3. fast glycolytic

Question 9

4 results from primary appraisal

Answer 9

1. benign appraisal
2. irrelevant appraisal
3. +ve appraisal
4. secondary appraisal

Question 10

4 diseases occurring in metaphysis zone of bone

Answer 10

1. osteomyelitis
2. osteogenesis imperfecta
3. scurvy

Question 11

draw TCA cycle

Answer 11

draw TCA cycle

Question 12

what type of cancer do aflatoxins cause?

Answer 12

this dietary carcinogen causes liver cancer