Central Nervous System Flashcards
Inactivation of the RAS produces
Sleep
Cerebrospinal fluid is produced by the ______ ______
Corrode plexus
The pons is part of the _____ _____
Brain stem
The gray matter of the cerebrum is found in the _____
Cerebral cortex
The center for thirst is located in the ______
Hypothalamus
Nerves arising from the lowest portion of the spinal cord are called the _____
Cauda equina
The primary olfactory area is located in the ______ lobe
Temporal
Humans awaken and sleep in a fairly constant rhythm called a ______ rhythm
Circadian rhythm
The barrier between the blood and the brain is called ______
Blood brain barrier
The circulatory route at the base of the brain is called the ______
Circle of Willis
Which of the cranial nerves is the optic nerve?
B. II
All of the following are functions of the hypothalamus except
C. Regulation of respiration
A shallow grove on the surface of the cortex is a
B. Sulcus
In a spinal tap, cerebrospinal fluid is removed from the
E. Subarachnoid space
The cranial nerve that innervates the gastrointestinal tract is the
C. Vagus
Which of the following cranial nerves is sensory only?
A. Olfactory
Which structure does NOT belong with the others?
D. Thalamus
Which of the following numbers belongs to the trochlear nerve?
C. IV
The primary visual area is located in the
A. Occipital lobe
Which of the following areas deals with emotion?
D. Limbic system
The thalamus is part of the
B. Diencephalon
The cardiovascular center is located at in the
D. Medulla oblongata
Damage to the choroid plexus would interfere with
B. Formation of cerebrospinal fluid
In the reflex arc, a muscle or gland is considered to be the
E. Effector
The dorsal root contains
A. Sensory fibers only
The outermost layer of meninges is the
C. Dura mater
The subarachnoid space is located between the
A. Arachnoid and pia mater
True or false: The satiety center is located in the medulla oblongata
False, in hypothalamus
True or false: the supply of glucose to the brain must be continuous
True
True or false: spinal nerves are mixed nerves
True
True or false: The dorsal root ganglion contains cell bodies of sensory neurons
True
True or false: the middle layer of the meninges is called pia mater
False
