Although all skeletal muscles have different shapes, the fascicle arrangement of each muscle is exactly the same
Indicate whether the statement is true or false
FALSE
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The superior vena cava is formed by the merging of the ________ veins.
A. internal thoracic B. inferior epigastric C. lumbar D. internal jugular E. brachiocephalic
Autonomic motor neurons regulate visceral activities by
1. increasing activities in effector tissue. 2. decreasing activities in effector tissue. 3. changing the direction of impulse conduction across synapses. a) 1 only b) 2 only c) 3 only d) Both 1 and 2 e) None of these choices
Answer the following statement(s) true (T) or false (F)
1. The autonomic effect on a target cell depends only on the neurotransmitter reaching that target cell. 2. Acetylcholine binds to both muscarinic and nicotinic receptors. 3. Acetylcholine always has an excitatory effect. 4. Binding of norepinephrine (NE) to an alpha-adrenergic receptor is usually excitatory, and binding to a beta-adrenergic receptor is usually inhibitory.
In Greek, anatomy means "to cut apart."
Answer the following statement true (T) or false (F)