Which nerve arises from the cervical plexus?
A) Phrenic nerve
B) Radial nerve
C) Tibial nerve
D) Common fibular nerve
Answer: A
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Visceral reflex arcs differ from somatic in that ________.
A) visceral arcs contain two sensory neurons B) somatic arcs contain one additional component that visceral arcs do not possess C) visceral arcs involve two motor neurons D) visceral arcs do not use integration centers
Unique voltage-gated Na+ channels in pacemaker cells that open when the membrane becomes more negative (hyperpolarizes) and bring about the initial depolarization in the pacemaker potential are called ________ channels
Fill in the blank(s) with correct word
A capillary wall has a measured thickness of about one ____________________
Fill in the blank(s) with correct word
Which of the following muscles is involved in inversion of the ankle joint?
A) tibialis anterior B) extensor digitorum longus C) fibularis brevis D) fibularis longus