#Question id: 11019
#I Life Science/ Life Sciences Group – I-V
An 80-year-old man had an EKG taken at his local doctor’s office, and the diagnosis was atrial fibrillation. Which of the following statements are likely conditions in someone with atrial fibrillation?
#Question id: 11020
#I Life Science/ Life Sciences Group – I-V
Circus movements in the ventricle can lead to ventricular fibrillation. Which of the following conditions in the ventricular muscle will increase the tendency for circus movements?
#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?