Which part of the cardiac conduction system is located in the lateral walls of the ventricles?
A. SA node
B. AV node
C. Bundle of His
D. Purkinje fibers
E. Bundle branches
D. Purkinje fibers
The Purkinje fibers are located in the lateral walls of the ventricles.
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Which of the following statements about using antihistamines in the treatment of anaphylaxis is TRUE?
A. Antihistamines block H1 and H2 receptors and prevent further release of histamine from B and T cells. B. Blocking of H1 receptors results in mild vasoconstriction, while the blocking of H2 receptors results in bronchodilation. C. Antihistamines displace histamine, then block histamine receptors. D. Antihistamines block histamine receptors and reduce histamine release from mast cells and basophils.
When harm to a patient is a direct result of an EMR's actions or inactions, this establishes which one of the four elements of negligence?
A) Proximate causation B) Duty to act C) Breach of duty D) Damages
Round 0.85 to the nearest tenth
What will be an ideal response?
What is the general range for pulse rates in adults?