Cranial and spinal nerve fascicles are covered by the ________
A) telodendrion
B) epineurium
C) microglia
D) perineurium
D
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A radiograph (X-ray) of a child's hand will show epiphysial lines.
Answer the following statement true (T) or false (F)
. Which of the following statements about membrane potentials in different types of cardiac cells is TRUE?
A. Myocardial cells have a resting membrane potential of about -90 mV; pacemaker cells do not have a true resting membrane potential. B. Once threshold depolarization is reached in both myocardial and pacemaker cells, the rapid upswing of the action potential is caused by the opening of voltage-gated Na+ channels C. Voltage-gated transient (T-type) Ca2+ channels are present in all of the different types of cells of the heart. D. There are no L-type Ca2+ channels in cardiac muscle cells. E. The upstroke of the action potential is steeper in SA node cells than it is in Purkinje cells.
Which of the following is a first-class lever?
A) The humeroulnar joint B) The talocrural joint C) The atlanto-occipital joint D) The knee joint E) Any metacarpophalangeal joint
What ocular disorder results in an increase in intraocular pressure?
A. Astigmatism B. Conjunctivitis C. Myopia D. Glaucoma