NAME

Question types


Start with


Question limit

of 29 available terms

Advertisement Upgrade to remove ads
Print test

5 Written questions

5 Matching questions

  1. In nodal pacing myocytes, phase 0 of AP is upstroke caused by ___
  2. Alpha-1 receptor activation causes ___ In the CV system.
  3. PS (ACh) via muscarinic receptors decr atrial contractility by ___.
  4. In working myoctes, phase 2 of AP is plateau caused by ___.
  5. Muscarinic receptor activation causes ___ in the CV system.
  1. a decr inward Ca2+ current in plateau
  2. b • neg chronotropy
    • neg dromotropy
    • decr atrial inotropy
  3. c • incr Ca2+ conductance- inward
    • note that this is different; I(Na) in working myocytes
  4. d • transient incr I(Ca2+)- inward
    • incr K+ out
  5. e skin, splanchnic, and skeletal vascular smooth muscle constriction

5 Multiple choice questions

  1. decr
  2. • I(f)- inward Na+
  3. incr dev't tension
  4. phosphorylation of phospholamban
  5. • incr K+ conductance- outward

5 True/False questions

  1. Incr preload causes ___ SV. It is manifest as incr EDV.incr

          

  2. Beta-1 receptor activation causes ___ in the CV system.skin, splanchnic, and skeletal vascular smooth muscle constriction

          

  3. In nodal pacing myocytes, phase 2 of AP is ___.absent

          

  4. Neg dromotropy reduces AV nodal conduction velocity by ___decr rt of phase 4 depol in pacemaker cells

          

  5. In working myoctes, phase 0 of AP is rapid depol caused by ___• 1º incr K+ out
    • decr Ca2+ in