Multiple Choice Questions - A+P 2 : Exam 1

what is the gray matter pattern of cerebral cortex starting from outside and moving in towards the central canal?

gray - white - gray

association fibers serve to connect:

different parts of the same cerebral hemisphere

what is a shallow groove separating adjacent gyri (ridges)?

sulcus

the filium terminale

anchors the spinal cord to coccyx

the thin, delicate connective tissue layer directly inferior to the anchoid space is called

pia mater

what is the internal sensory receptors monitoring changes in skeletal muscle spindle length?

intrafusal muscle fibers

what coarse connective tissue covers groups of nerve fibers known as fascicles?

perineurium

vibration, touch, an pressure stimuli are all detected by:

mechanoreceptors

the stretch reflex is also called a ____ reflex

patellar

the spinal nerve ventral root contains _______ _______ fibers:

visceral efferent

sympathetic fibers leave spinal cord in the _____ regions whose postganglionic fibers secrete _________.

thoracolumbar / norepinephrine

which of these effectors (target organs) is directly controlled by the somatic nervous system?

skeletal muscle

what effect would acetylcholine have when binding to a cholinergic muscarinic receptor?

either stimulation or inhibition

which of the following is true about the autonomic nervous system (ANS)?

involuntary motor control

what effector is innervated (supplied) by sympathetic neurons but not by parasympathetic neurons?

sweat gland