cv and resp values

Question 1

cv untrained

Answer 1

HR 70-72bpm 100-130bmp 220-age

SV. 70ml. 100-120ml. 100-120ml

Q. 5 l/min. 10-15 l/min. 20-30 l/min

Question 2

cv trained

Answer 2

HR. 50bpm. 95-120bpm. 220-age

SV. 100ml. 160-200ml. 160-200ml

Q. 5 l/min. 15-20 l/min. 30-40 l/min

Question 3

resp untrained

Answer 3

f: 12-15 b/min. 40-50 g/min
tv: 0.5l. 2.5-3l
ve: 6-7.5 l/min. 100-150 l/min

Question 4

resp trained

Answer 4

f: 11-12 b/min. 50-60 b/min
tv: 0.5l. 3-3.5l
ve: 5.5-6l/min. 160-210 l/min

Question 5

cv calc

Answer 5

q = hr x sv

Question 6

resp calc

Answer 6

ve = tv x f

Question 7

breathing frequency (f)

Answer 7

no of breaths per min

Question 8

tidal volume (tv)

Answer 8

volume of air inspired or expired per breath (L)

Question 9

minute ventilation (ve)

Answer 9

vol of air inspired and expired per min (ml/l)

Question 10

why does breathing frequency increase

Answer 10

to meet supply of o2 needed

Question 11

why does tv increase

Answer 11

to meet demand of o2 needed

Question 12

why does minute ventilation increase

Answer 12

anticipatory rise due to adrenaline

rapid inc at start due to inc f and tv

slows down as o2 meets demand