Which of the following describes the auditory tube?
A. It spirals around the modiolus of the cochlea.
B. It leads from the nasopharynx to the middle ear.
C. It includes the vestibule and semicircular ducts.
D. It leads from the pinna to the tympanic membrane.
E. It leads from the tympanic membrane to the oval window.
Answer: B
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Answer the following statement true (T) or false (F)
Which of the following most likely occurs in the condition called hyperkalemia?
A) decreased heart rate B) increased rate of depolarization at the SA node C) irregular cardiac contractions D) fluid collection in the pericardial sac E) elevated calcium concentrations
Pericytes are contractile cells found in which location?
a. Adherent to smooth muscle cells in the tunica media of arterioles b. Adjacent to the surfaces of capillaries c. Exclusively in elastic arteries d. Within the tunica intima of veins e. Within valves of lymphatic vessels
Which of these organ systems are involved in moving the body? Choose all that apply.
A. Muscular system B. Skeletal system C. Lymphatic system D. Endocrine system E. Nervous system