Which segment of the ECG reflects the plateau phase of ventricular muscle cells' action potentials?
A. S-T segment
B. T-P interval
C. Q-R segment
D. P-T segment
E. P-R interval
Answer: A
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Which of the following describes the suprahyoid muscles?
A) They depress the larynx and hyoid bone if the mandible is fixed. B) They are a group of muscles that lie superior to the hyoid bone and help form the floor of the oral cavity. C) They move the pharynx superiorly during swallowing. D) They are often called strap muscles.
The process of meiosis is unique because it causes a possible number of ________ cells to be formed.
Fill in the blank(s) with the appropriate word(s).
Contraction of the external ____________________ muscles elevates the ribs
Fill in the blank(s) with correct word
The temporomandibular joint is a/an ________ joint.
A. osseous B. fibrous C. synovial D. bony E. cartilaginous