The internal urethral sphincter is formed by skeletal muscle fibers of the urogenital diaphragm.
Answer the following statement true (T) or false (F)
False
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Which of the following parts of a reflex arc would have a cell body in the posterior root ganglion?
a) Sensory receptor cell b) Sensory neuron c) Motor neuron d) Effector e) Interneuron
The ventral part of the medulla oblongata near the origin of the vagus nerve has
A) central chemoreceptors B) mechanoreceptors C) peripheral chemoreceptors D) baroreceptors
When climbing stairs, which muscles plantarflex your foot?
A) tibialis anterior and extensor digitorum longus B) rectus femoris and sartorius C) gluteus maximus and hamstrings D) gastrocnemius and soleus
First-class levers ________.
A) have load at one end of the lever, fulcrum at the other, and effort applied somewhere in the middle B) are typified by tweezers or forceps C) in the body can operate at a mechanical advantage or mechanical disadvantage, depending on specific location D) are the type found in the joints forming the ball of the foot as used in raising the body on the toes