MASTERING CHAPTER 12
Which brain nucleus is the body's "biological clock"?
suprachiasmatic nucleus
Pyramidal tracts, also called direct pathways, originate in the primary motor cortex within the pre-central gyrus.
Pyramidal tracts
The area of the cortex that is responsible for sensations of the full bladder and the feeling that your lungs will burst when you hold your breath too long is the
visceral sensory area
Which of the following hypothalamic control centers would you predict is the LEAST important for survival?
suprachiasmatic nucleus
EXAMPLE: This area of the hypothalamus is important in determining the circadian rhythm that sets our sleep-wake cycles
Which part of the brain is considered the "gateway" to the cerebral cortex?
thalamus
Which of the following is not a site where a tumor is likely to cause hydrocephalus?
pia mater
After Joe has a stroke, his doctor asks Joe to touch his right pointer finger to his chin—but Joe is unable to move his right hand. However, when the doctor stimulates Joe's pointer finger with a painful stimulus, Joe's muscles quickly move his hand away from the stimulus. The doctor concludes that
based on the doctor's observations, none of the listed answers are correct conclusions
The vital centers for the control of heart rate, respiration, and blood pressure are located in the
MEDULLA
Which type of white matter fiber tract connects the two cerebral hemispheres?
COMMISSURES
In general, information flows from sensory receptors to the appropriate primary sensory cortex.
TRUE
sensory neurons transmit sensory information from receptors to the spinal cord.
First-order
Which of the following areas of the brain controls voluntary movement of the eyes?
FRONTAL EYE FIELD
The primary auditory cortex is located in the
TEMPORAL LOBE
Spinocerebellar tracts carry appropriate sensory information, such as the degree of muscle stretch, to the cerebellum. The cerebellum uses such input to calculate skeletal muscle movements that allow for coordinated responses and the maintenance of balance.
coordination of skeletal muscle movements
Second-order neurons of both the specific and nonspecific ascending pathways terminate in the
THALAMUS
Two terms for the massive motor tracts serving voluntary movement are
pyramidal and corticospinal
Which part of the cerebral cortex is involved in intellect, cognition, recall, and personality?
PREFRONTAL CORTEX
What cells line the ventricles of the brain?
EPENDYMAL CELLS
Which part of the brain is the "executive suite" for all brain activity?
CEREBRAL CORTEX
Important nuclei of the indirect (multineural) system that receive impulses from the equilibrium apparatus of the inner ear and help to maintain balance by varying muscle tone of postural muscles are the
VESTIBULAR NUCLEI
The subarachnoid space lies between what two layers of meninges?
ARACHNOID and PIA
Emotional state, rehearsal, association, and automatic memory are all factors that affect the transfer of information from short-term memory (STM) to long-term memory (LTM).
TRUE
During an epileptic seizure, the triggering of convulsions would not directly involve the uncontrolled activity of neurons located in the
THALAMUS
Which part of the brain stem houses the reflex centers for respiration and cardiovascular functioning?
MEDULLA OBOLONGATA
The term cerebral dominance designates the hemisphere that is dominant for language.
TRUE
Which category of memory is involved when playing the piano?
PROCEDURAL
Mrs. Sagalov has recently been diagnosed with Alzheimer's disease. What clinical symptoms is she likely to show?
She will show increasing cognitive deficits, including difficulties with memory and attention, and personality changes such as irritability, moodiness, and confusion.
The brain area that regulates activities that control the state of wakefulness or alertness of the cerebral cortex is the
RECTICULAR FORMATION
An individual accidentally transected the spinal cord between T1 and L1. This would result in
PARAPLEGIA
The blood-brain barrier is effective against
metabolic waste such as urea
The process of linking new facts with old facts already stored in the memory bank is called
ASSOCIATION
Which parts of the brain constitute the "emotional brain" known as the limbic system?
cerebral and diencephalic structures
The central sulcus separates which lobes?
FRONTAL and PARIETAL
The central sulcus separates which lobes?
carry proprioceptive inputs to the cerebellum
carry proprioceptive inputs to the cerebellum
midbrain, medulla, and pons
Patients who have lesions involving Broca's area
can understand language, but have difficulty speaking
The is the most prominent example of commisural fibers—tracts that connect the left and right hemispheres.
corpus callosum
A shallow groove on the surface of the cortex is called a
sulcu
The middle primary brain vesicle, the mesencephalon, gives rise to which adult brain structure?
midbrain
Which protective covering of the brain provides passageways for cerebrospinal fluid (CSF) to drain into the superior sagittal sinus?
ARACHNOID MATER
The frontal lobe is separated from the temporal lobe by the
LATERAL SULCUS
is produced within the choroid plexi located within each ventricle.
Cerebrospinal fluid
Spastic paralysis suggests involvement of the
UPPER MOTOR NEURONS
All of the following are structures of the limbic system except the