Which of the following pacemaker cell populations has the slowest intrinsic rate of depolarization at about 20 times per minute?
What will be an ideal response?
Purkinje fiber system
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The least movable joints are __________ joints.
A. symphysis B. synchondrosis C. syndesmosis D. gomphosis E. synostosis
Which of the following is located closest to the jugular notch?
A) medial end of scapula B) medial end of clavicle C) lateral end of scapula D) lateral end of clavicle E) xiphoid process
Which of the following is incorrect pertaining to the anatomy of the lung and/or pleura?
A) The parietal pleural generally extends three ribs inferior to the lung. B) The bifurcation of the trachea occurs approximately at the level of the sternal angle. C) The right main bronchus is wider and more vertical than the left. D) Each main bronchus supplies a lung. E) The right lung has a horizontal fissure.
In response to dehydration, osmoreceptors stimulate the secretion of ________
A) calcitonin B) bicarbonate ions C) ANP D) sodium ions E) ADH