What is the embryological origin of the superior vena cava?
A. The umbilical veins
B. The pharyngeal arches
C. The aortic sac
D. The cardinal veins
E. The vitelline veins
Answer: D
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The postganglionic axons of the sympathetic branch of the ANS are considered short
Indicate whether this statement is true or false.
The peritubular capillaries and vasa recta drain into what veins?
A) segmental B) arcuate C) interlobular D) efferent E) interlobar
Performing "jumping jacks" requires ________
A) pronation and supination B) flexion and extention C) abduction and adduction D) inversion and eversion
Match the symptoms to the problem.
1. Ménière's disease 2. tinnitus 3. central hearing loss 4. sensorineural hearing loss 5. conductive hearing loss A. damage to the cerebral cortex B. degeneration of hair cells C. ringing in the ears D. dizziness and nausea E. problems with structures of the middle ear