BackMark the following statements on the role of the brain in movement as true or false. If a statement is false, correct it to make a true statement.
The cerebellum monitors the initiation of movement but does not monitor ongoing movements.
Mark the following statements on the role of the brain in movement as true or false. If a statement is false, correct it to make a true statement.
The basal nuclei inhibit inappropriate movements and are required for the initiation of movement.
Mark the following statements on the role of the brain in movement as true or false. If a statement is false, correct it to make a true statement.
The correction of motor error by the cerebellum can occur over the long term by motor learning.
The two components of the CNS that are responsible for maintenance of homeostasis are the ________ and the ________.
Which of the following statements is false?
a. The suprachiasmatic nucleus is often called the body's 'master clock.'
b. Melatonin and the ventrolateral preoptic nucleus increase the activity of the reticular formation.
c. A decrease in the activity of the reticular formation disconnects the thalamus from the cerebral cortex and decreases the level of consciousness.
d. Orexins are neurotransmitters that stimulate the reticular formation.
Match the term on the left with its correct description from the column on the right.
____ REM sleep
____ Stage I sleep
____ Delta waves
____ Beta waves
____ Theta waves
____ Stage IV sleep
a. The EEG pattern seen in the deepest stage of sleep
b. The deepest stage of sleep
c. The EEG pattern seen in an alert, awake adult
d. Drowsiness or the lightest stage of sleep
e. The EEG pattern seen in lighter stages of sleep
f. The stage of sleep during which most dreaming takes place
The part of the brain responsible for the production of language is known as:
a. Wernicke's area
b. The prefrontal cortex
c. The auditory association area
d. Broca's area
Declarative memories are formed by the process of ________ that takes place in the ________, and are stored in the ________.
Which of the following is not a component of emotion?
a. Visceral motor responses mediated by the hypothalamus
b. Somatic motor responses mediated by the limbic system and the hypothalamus
c. Somatic motor responses mediated by the upper motor neurons of the corticospinal tracts
d. Subjective feelings mediated by the amygdala and the cerebral cortex
In a diving accident, Arlene damages the left side of her upper thoracic spinal cord. On which side of the body will she lose: muscle control, tactile sensation, and pain sensation? Explain.
A new diet wonder drug is designed to block the release of orexins. How might this cause weight loss? Predict the potential adverse effects that might come from blocking orexin release.
Match the names of the supporting cells found in column B with the appropriate descriptions in column A.
Column A
_______ (1) myelinates nerve fibers in the CNS
_______ (2) lines brain cavities
_______ (3) myelinates nerve fibers in the PNS
_______ (4) CNS phagocyte
________(5) helps regulate the ionic composition of CNS extracellular fluid
Column B
a. Astrocyte
b. Ependymal cell
c. Microglial cell
d. Oligodendrocyte
e. Satellite cell
f. Schwann cell
a. Contrast unipolar, bipolar, and multipolar neurons structurally.
b. Indicate where each is most likely to be found.
Histological examination of a slice of neural tissue reveals a bundle of nerve fibers held together by cells whose multiple processes wrap around several fibers and form a myelin sheath. The specimen is likely to be:
a. A nucleus
b. A ganglion
c. A nerve
d. A tract
Neuroglia present in large numbers in areas of bacterial infection in the brain are most likely:
a. Oligodendrocytes
b. Astrocytes
c. Ependymal cells
d. Microglia