Biopsychology exam 2
Evidence suggests that humans have about ______ different types of olfactory receptors.
350.
Gustatory afferents leave the mouth as part of the
All the above.
Smell and taste
All the above.
The laterial geniculate nuclei, medial geniculate nuclei, and ventral posterior nuclei are all
All the above. (Diencephalic nuclei, thalamic nuclei, & sensory relay nuclei.)
Which drug was extracted from the belladonna plant and used by the ancient Greeks for cosmetic purposes?
Atropine.
The discovery of conditioned taste aversion challenged the
Both A and B. ( principle of equipotentiality & the belief that terporal contiguity is necessary for conditioning).
The reason why radioactive 2-DG is useful for revealing the level of activity of neurons in different parts of the brain is that 2-DG
Both A and C. (Is absorbed by neurons in relation to their level of activity, & is metabolized by neurons in relation to their level of activity.)
Na+ ions are continuously forced into neurons by
Both B and C. (Their high internal concentration and their high external concentration.)
Which of the following is currently thought to be a valid general principle of synaptic transmission?
None of the above.
The enzyme whose function is to deactivate a specific neurotransmitter once it has been released in the synapse is
acetylcholinerase.
The myencephalon is
all the above.
The loudness, pitch, and timbre of a sound are directly related to the ___________, respectively, of the vibrations that produced it.
amplitude, frequency, and complexity.
The release of neurotransmitter molecules from buttons is often triggered by
an influx of calcium ions.
The self-stimulation paradigm is
an operant conditioning paradigm.
Which of the following brain lesion techniques is least likely to be associated with damage to major blood vessels?
aspiration lesions.
Both presynaptic facilitation and inhibition are mediated by
axoaxonic synapses.
The tip of your nose is
caudal and anterior.
Between the frontal and partietal lobes is the
central fissure.
The major auditory projections of the inferoir coliculi go to the
cochlear nuclei.
The axons of the olfactory receptors run through the
cribiform plate to the olfactory bulbs.
The hypothalamus and thalamus compose the
diencephalon.
A major limbic system tract is the
fornix.
Tracts are to nuclei as neves are to
ganglia.
The longest neuron in the human body
has its cell body in the spinal cord.
Which of the following procedures employs labeled antibodies?
immunocytochemistry.
Which ossicle is attatched to the round window?
malleus.
Which neurotransmitters are often released from string-of-beads axons?
monoamines.
PNS is to CNS as Schwann calls are to
ogligodendrocytes.
Alpha wave EEG activity is associated with
relaxed wakefulness.
IP, SC, and IM are
routes of drug administration.
Cocaine and amphetamines in high doses can produce a temporary disorder that is similar to
schizophrenia.
Metabotropic receptors are linked to
signal proteins and G proteins.
Asomatognosia is ogten associated with
stereognosis.
Together, the caudate and the putamen compose the
striatum
With gland or glands directly influence the SCL and the SCR?
sweat glands.
___________ are found in ___________, which are often located around small proterberances called _____________.
taste receptors, taste buds, papillae.
Three major structures in the _____________ of the brain are named after colors (red, black, and grey).
tegmentum.
A membrane potential is the difference in electrical charge between
the inside and the outside of a cell.
Actional potentials are produced by
the opening of voltage-activated sodium channels.
Drugs that do not penetrate the blood brain barrier can be administered to particular neural structures
through a sterotaxically positioned cerebral cannula.