A&P: Chapter 7 Part 1
The sympathetic and parasympathetic nervous systems are subdivisions of the:
autonomic nervous system
The Schwann cell forms a myelin sheath around the:
axon
The term central nervous system refers to the:
brain and spinal cord
The major role of the interneuron is to:
connect motor and sensory neurons in their pathways
Which of the following effects is characteristic of the parasympathetic nervous system:
decreases heart rate
the neuron processes that normally receive incoming stimuli are called:
dendrites
Which on of the following represents the correct sequence from outermost to innermost layers of the meninges:
dura mater, arachnoid mater, pia mater
Muscles and glands are:
effectors
Bipolar neurons are commonly:
found in the eye and nose
Which lobe contains the primary motor area and enables voluntary control of skeletal muscle movements:
frontal lobe
The elevated ridges of tissue on the surface of the cerebral hemispheres are known as _____ while the shallow grooves are termed _____.
gyri; sulci
the two major functional properties of neurons are:
irritability and conductivity
the blood-brain barrier is effective against the passage of:
metabolic waste such as urea
Neurons with several processes branching off the cell body, such as motor neurons and inter-neurons, are structurally classified as:
multipolar
Impulse conduction is faster in neurons that are:
myelinated
Which of these neuroglial cells forms the myelin sheath in the central nervous system:
oligodendrocytes
Which of the following is the correct sequence in a typical reflex arc:
receptor, afferent neuron, integration center, efferent neuron, effector
Fibers that carry information from the skin, joints, and skeletal muscles to the central nervous system are:
sensory
The function of the olfactory nerve concerns:
smell
Preparing the body for the "flight-or-flight" response during threatening situations is the role of the:
sympathetic nervous system