Which of the following bones does NOT articulate with any other bone?
A. Mandible
B. Nasal
C. Inferior concha
D. Lacrimal
E. Hyoid
Answer: E. Hyoid
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Surgical cutting of the ductus deferens as a form of birth control is called a(n) ________
Fill in the blanks with correct word
Predict the nature of an ECG recording when the atrioventricular node becomes the pacemaker.
A. There would continue to be a normal sinus rhythm. B. The P wave would be much larger than normal. C. The rhythm would be slower. D. The T wave would be much smaller than normal.
The portion of the serous membrane that lines the thoracic walls is called the ________
A) visceral pleura B) parietal pleura C) pleural cavity D) pericardium
According to the Frank-Starling mechanism of the heart:
A. the left ventricle ejects a larger volume of blood with each systole than the right ventricle. B. the intrinsic rate of the heart's pacemaker is 100 beats/min. C. cardiac output increases with increased heart rate. D. stroke volume increases with increased venous return. E. both ventricles contract simultaneously.