Determine the impact if the connection between the sinoatrial (SA) node and the atrioventricular (AV) node becomes blocked
A) The atria will contract more forcefully. B) The ventricles will contract more quickly.
C) The ventricular rhythm will not change. D) The ventricles will contract more slowly.
Answer: D
You might also like to view...
What can happen when the usual negative feedback mechanisms are overwhelmed and destructive positive feedback mechanisms take over?
What will be an ideal response?
Which of the following best describes the term sarcoplasmic reticulum?
A) protein that accounts for elasticity of resting muscle B) repeating unit of striated myofibrils C) storage and release site for calcium ions D) thin filaments are anchored here E) largely made of myosin molecules
Which joint action can be used to engage and palpate the fibularis longus?
a. Inversion of the foot at the subtalar joint b. Eversion of the foot at the subtalar joint c. Dorsiflexion of the foot at the ankle joint d. Extension of toes two through five at the metacarpophalangeal joints
Contains a U- or an S-shaped nucleus; granules stain very dark; releases histamine and heparin.
A) Erythrocyte B) Monocyte C) Neutrophil D) Eosinophil E) Basophil