#Question id: 11021
#I Life Science/ Life Sciences Group – I-V
A 75-year-old man goes to the hospital emergency department and faints. Five minutes later he is alert. An EKG shows 75 P waves per minute and 35 QRS waves per minute with a normal QRS width. Which of the following is the likely diagnosis?
#Question id: 11022
#I Life Science/ Life Sciences Group – I-V
A 55-year-old man had the following EKG recorded at his doctor’s office during a routine physical examination.
What is his diagnosis?
#Question id: 11024
#I Life Science/ Life Sciences Group – I-V
A 55-year-old man has been diagnosed with Stokes-Adams syndrome. Two minutes after the syndrome starts to cause active blockade of the cardiac impulse, which of the following is the pacemaker of the heart?
#Question id: 11025
#I Life Science/ Life Sciences Group – I-V
Listed below are the hydrostatic and oncotic
pressures within a microcirculatory bed:
Plasma colloid osmotic pressure = 25 mm Hg
Capillary hydrostatic pressure = 25 mm Hg
Venous hydrostatic pressure = 5 mm Hg
Arterial pressure = 80 mm Hg
Interstitial fluid hydrostatic pressure = −5 mm Hg
Interstitial colloid osmotic pressure = 10 mm Hg
Capillary filtration coefficient = 10 ml/min/mm Hg
What is the rate of net fluid movement across the capillary wall?
#Question id: 11026
#I Life Science/ Life Sciences Group – I-V
Listed below are the hydrostatic and oncotic
pressures and filtration rate across a muscle capillary wall:
Capillary hydrostatic pressure (Pc) = 25 mm Hg
Plasma colloid osmotic pressure (Πp) = 25 mm Hg
Interstitial colloid osmotic pressure (ΠI) = 10 mm Hg
Interstitial hydrostatic pressure (PI) = −5 mm Hg
Capillary filtration rate = 150 ml/min
What is the capillary filtration coefficient?
#Question id: 11027
#I Life Science/ Life Sciences Group – I-V
Which of the following is the correct sequence of blood flow in birds and mammals?