Which of the following is an unpaired facial bone?
A) zygomatic bone B) mandible C) palatine bone D) lacrimal bone
Answer: B
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The function of the coronary sinus is to
A. connect the top and bottom halves of the heart. B. guide the inferior vena cava into the right atrium. C. shunt blood from the right atrium to the left atrium. D. take blood from the coronary circulation to the right atrium. E. guide the aorta out of the heart.
Sound waves are converted into mechanical movements by the
A) auditory ossicles. B) cochlea. C) oval window. D) round window. E) tympanic membrane.
The embryonic germ layer that is the source of connective tissue and muscle is
A. exoderm. B. neuroectoderm. C. endoderm. D. ectoderm. E. mesoderm.
Which of the following is NOT a primary odor class?
A. Floral B. Pepperminty C. Ethereal D. Putrid E. Umami