The figure illustrates the autonomic reflexes and the heart. What does "D" represent?
A. sympathetic nerve
B. increase in blood pressure detected by carotid baroreceptors
C. glossopharyngeal nerve
D. decrease in blood pressure detected by carotid baroreceptors
E. vagus nerve
D
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Which valve prevents the backflow of blood into the left ventricle when the ventricles relax?
A. Left atrioventricular valve B. Aortic semilunar valve C. Right atrioventricular valve D. Pulmonary semilunar valve E. None of the choices is correct.
What fibromuscular structure is about 10 centimeters long and serves as the birth canal?
A. Fallopian tube B. Vagina C. Uterus D. Isthmus
________ deafness results from damage along the neural pathway for hearing, whereas ________ deafness involves altered transmission of sound waves
A) Conductive; sensorineural B) Rinne; conductive C) Weber; sensorineural D) Sensorineural; conductive
________ forms the epiglottis and provides the supporting framework for the external ear.
A. Hyaline cartilage B. Dense regular connective tissue C. Elastic cartilage D. Fibrocartilage