At the synapse, amphetamine:
a. blocks the breakdown of dopamine.
b. increases the release of dopamine from the presynaptic terminal.
c. increases the sensitivity of dopamine receptors.
d. decreases the sensitivity of dopamine receptors.
Under what conditions are the effects of sex-limited genes demonstrated?
a. When they are dominant
b. When they are homozygous
c. When particular hormones are present
d. When they appear on the X chromosome
Wernicke discovered that damage to the ____ cortex produced language impairment.
a. right temporal
b. left temporal
c. right frontal
d. left frontal
Which of the following pairs of sex chromosomes would be found in a normal male
mammal?
a. XX
b. XY
c. YY
d. YZ
Dysphonetic dyslexics have trouble ____, while dyseidetic dyslexics have trouble ____.
a. seeing words as a whole; sounding out words
b. sounding out words; seeing words as a whole
c. reading; writing
d. speaking; writing
Light is focused as it enters through which of the following structures?
a. lens only
b. cornea only
c. lens and cornea
d. pupil
Lamina V is thickest in the:
a. primary sensory area.
b. secondary sensory areas.
c. primary motor areas.
d. spinal cord.
People with damage of the parietal cortex tend to have trouble _____.
a. hearing sounds
b. locating objects in space
c. remembering past events
d. speaking
The “binding problem” is the issue of how we:
a. convert sensory information into a pattern that produces movement.
b. perceive visual, auditory and other aspects of a stimulus as a single object.
c. transfer information between the left and right hemispheres.
d. communicate between the word comprehension and word production areas of the
brain.
“Male hormones” are referred to as:
a. activating hormones.
b. SRY.
c. androgens.
d. estrogens.
The visual paths in the temporal cortex collectively are referred to as the:
a. ventral stream.
b. dorsal stream.
c. lateral stream.
d. magnoparvocellular pathway.
Studies of normal people have found a fairly strong relationship between:
a. happy mood and increased activity in the left prefrontal cortex.
b. happy mood and decreased activity in the left prefrontal cortex.
c. happy mood and increased activity in the right occipital cortex.
d. sadness and increased activity in the left occipital cortex.
An example of a sex-linked trait is:
a. eye color.
b. color vision deficiency.
c. temperament.
d. intelligence.
If you are a supertaster, then:
a. you require high concentrations of a particular taste to be able to identify it.
b. you have more fungiform papillae in the center of your tongue.
c. you are more sensitive than the average person to nearly all tastes.
d. your ability to taste makes up for your lack of ability to identify odors by smell.
If a drug binds to a particular receptor, it is said to:
a. increase the synthesis of the neurotransmitter used at that receptor.
b. decrease the synthesis of the neurotransmitter used at that receptor.
c. stimulate breakdown at that receptor.
d. have an affinity for that type of receptor.
Which of the following would a cell in the primary auditory cortex be LEAST excited
by?
a. a pure tone
b. the sound of conversation
c. an unusual sound
d. a tone with several harmonics
Which neurotransmitter has been repeatedly connected with addictive drugs?
a. epinephrine
b. acetylcholine
c. serotonin
d. dopamine
The enhancement of contrast at the edge of an object is the result of:
a. lateral inhibition in the retina.
b. the diffraction of light from the edge’s surface.
c. fatigue of the rods and cones.
d. the color of the object.
Computerized axial tomography creates an image from:
a. microwaves.
b. infrared rays.
c. x-rays.
d. gamma rays.
Girls who are exposed to higher than normal androgen levels during prenatal
development tend to:
a. choose more typically masculine toys to play with.
b. be more aggressive.
c. be more verbal.
d. develop lower than normal intelligence.
Sex-limited genes are present:
a. in males only.
b. in females only.
c. in both sexes.
d. on enzymes.
If an experimenter heats the preoptic area of an animal in a cool environment, the
animal will:
a. shiver.
b. pant or sweat.
c. fluff its fur.
d. decrease its preference for salty tastes.
If you want to see something in fine detail, you should focus the light on which part of
your retina?
a. the optic nerve
b. the fovea
c. an area containing mostly rods
d. the cornea
The temperature required by reproductive cells of birds and most mammals is:
a. higher than the rest of the body.
b. lower than the rest of the body.
c. the same as the internal organs of the body.
d. fluctuating in direct opposition to changes in body temperature.
Based on brain-to-body weight ratio, it appears that:
a. language is a by-product of this ratio.
b. humans have the highest ratio of all species.
c. this ratio is a constant across vertebrates.
d. intelligence is not simply an outcome of this ratio.
The nucleus basalis sends information to the:
a. hypothalamus.
b. basal ganglia.
c. cerebral cortex.
d. hippocampus.
What does “endogenous” mean?
a. occurring at regular intervals
b. learned
c. sensitive to light/dark patterns
d. generated from within
After you stare at a bright green object for a minute and look away, you see red. Which
theory attempts to explain this finding?
a. Young-Helmholtz theory
b. trichromatic theory
c. opponent-process theory
d. color-constancy theory
Recent researchers have felt that Lashley’s conclusions about the results of his search
for the engram reflected some inappropriate assumptions. One of those assumptions
was that:
a. memory involves a physical change in the nervous system.
b. that all kinds of memory are physiologically the same.
c. more than one kind of memory exists.
d. different memories involve different sets of neurons.
Pheromone receptors in humans are located in the:
a. tongue.
b. VNO.
c. olfactory mucosa.
d. cochlea.