What structures anchor the atrioventricular valves to the papillary muscles of the ventricle walls?
A. Coronary sinus
B. Interatrial septum
C. Auricles
D. Chordae tendineae
Answer: D
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Which of the following is separated from surrounding tissues by a fibrous connective tissue capsule?
A) palatine tonsils B) appendix C) lymph nodes D) Peyer patches E) pharyngeal tonsils
A functional syncytium
a. is a pair of antagonistic muscles causing a joint to move in opposite directions b. is able to contract as a unit because action potentials move between adjacent cells through gap junctions c. is a functional junction between a smooth muscle fiber and an autonomic nerve ending d. is all of the above e. is none of the above
The ____________________ ensures that atrial excitation and contraction are complete before ventricular excitation and contraction commence
Fill in the blank(s) with correct word
The single most effective way to prevent infections is through ____________________.?
Fill in the blank(s) with correct word