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Final Phy Psy Quiz
| Question | Answer |
|---|---|
| A thin slice of brain tissue created by a microtome is often referred to as a brain | section |
| Stereotaxically guided lesions in humans have been used to treat | Parkinson's Disease |
| A ________ section is made through a human brain parallel to the ground. | horizontal |
| Newly formed neurons travel to their final locations in the brain along | radial glial cells |
| The ________ interconnects the third and fourth ventricles. | cerebral aqueduct |
| Which of the following cells are important for the removal of nerve cell debris? | microglia |
| The AP is a graded signal or The AP is always of the same amplitude and duration in a given cell. | The AP is always of the same amplitude and duration in a given cell. |
| The rate at which a drug reaches active sites in the brain is determined mostly by its degree of | lipid solubility. |
| Stimulation of a presynaptic autoreceptor | reduces the release of the neurotransmitter from the axon terminal. |
| Damage to which cholinergic system would be expected to impair learning? | basal forebrain ACh system |
| Activation of the NMDA receptor allows what? | sodium and calcium ions into the nerve cell |
| Treatment with a drug that inhibits MAO may slow down the progression of Parkinson's disease because | MAO may metabolize environmental chemicals into toxins that damage dopamine neurons. |
| Sensory cell receptor potentials directly control what | the release of neurotransmitters |
| A key effect of luteinizing hormone is to | induce ovulation |
| All of the following are true of obsessive-compulsive disorder (OCD) EXCEPT OCD symptoms are similar across different cultures. / OCD is associated with damage to the basal ganglia. / OCD is much more common in men than in women. | OCD is much more common in men than in women. |
| Which of the following is true of acute recording studies of rat brain electrical activity? | Such studies are done under anesthesia. |
| If a researcher injects a chemical into the brain to trace the the efferent axons of a given brain structure, what type of method are they using? | anterograde labeling method |
| The "all-or-none law" refers to the observation that an action potential | is produced whenever the membrane potential reaches threshold. |
| ________ fibers send their information toward the brain. | afferent |
| Which of the following is an explanation for the higher acuity of the visual system at the fovea, relative to the periphery of the retina? | A foveal ganglion cell may receive information from a single photoreceptor, whereas a peripheral ganglion cell may receive information from multiple photoreceptors. |
| The prenatal development of the internal reproductive structures of the male requires | the Mullerian system by the anti-Mullerian hormone and secretion of androgens |
| Which of the following conditions will block or diminish female rodent sexual behavior? | being in an nonestrous state |
| Which of the receptors below are found in hairy and glabrous skin and are sensitive to vibration? | pacinian corpuscles |
| The growth of pubic and auxiliary hair in male and female humans is promoted by | |
| Prolonged sleep deprivation results in | impaired mental concentration |
| The _______ is critical for the ______ of emotion. | central nucleus of the amygdala; expression |
| Which of the following is known to decrease pain sensitivity? | opiate administration |
| The metabolism of glycogen increases the brain levels of ________, which in turn promotes ________. | adenosine; slow-wave sleep |
| The function of the lens is to | focus light on the retina |
| The lowest sound frequencies are encoded by | the rate at which neurons in the auditory system fire. |
| Which of the following findings supports the brain development theory of REM sleep? | Infant animals born with well-developed brains spend proportionally less time in REM sleep than do infant animals born with poorly developed brains. |
| Exposure to odors in human underarm sweat has been shown to | synchronize menstrual cycles in women. |
| Moral judgments that involve deciding to harm another person _______ activity within the _______. | increased; ventromedial prefrontal cortex |
| Which of the following contribute to how our eyes are tricked by the illusion used in the video "Vision and Illusion"? | “background of the image” and “the ganglion that are encoding the focal object signal at different rates.” |
| Our short-term fuel reservoir is contained in cells located within the | liver and muscles |
| The ________ states that a weak synapse will be strengthened if its activation occurs at the same time that the postsynaptic neuron fires. | Hebb rule |
| Which of the following is NOT true of long-term potentiation (LTP)? | Presynaptic nitric oxide acts as a messenger on the postsynaptic membrane. |
| Imaging studies indicate that neural activity within the ________ is increased by ________. | nucleus accumbens; presenting stimuli associated with money |
| Misfolded prion proteins may be toxic to brain cells because these | trigger apoptosis in a neuron |
| The term dementia refers to the deterioration of intellectual abilities caused by what? | an organic brain disorder. |
| A critical intracellular trigger for the development of Alzheimer's disease is | overproduction of the long form of the β-amyloid protein. |
| Which of the following has been implicated in depression? | enhanced activation of the amygdala |
| Secretion of glucocorticoids results in | greater availability of fatty acids as sources of energy |
| An effective therapy for treatment-resistant depression involves the use of | electrical stimulation of the subgenal ACC |
| Ghrelin is a neuropeptide secreted from the ________ that functions to ________. | stomach; initiate eating |
| The observation that ________ is an effective treatment for attention-deficit/hyperactivity (ADHD) suggests that ADHD results from ________. | methylphenidate; understimulation of dopamine transmission |
| The____________ in the osmoreceptors help detect a change in the ________________ when the cell membrane expands and contracts | actin filaments; concentration in the interstitial fluid |
| The growth of pubic and auxiliary hair in male and female humans is promoted by | androgens secreted from the adrenal cortex |
Created by:
meghan_pfeiffer