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
The single most effective way to prevent infections is through ____________________.?
Fill in the blank(s) with correct word
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