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Questions and Answers

What is the primary function of the cornea in the eye?

  • To begin bending light and form images (correct)
  • To adjust the size of the pupil
  • To enhance color perception
  • To nourish the inner part of the eye
  • Which component of the eye is responsible for adjusting the amount of light entering?

  • Iris (correct)
  • Lens
  • Retina
  • Fovea
  • What is the role of bipolar cells in the retina?

  • To control the amount of aqueous humor
  • To sharpen images (correct)
  • To form the optic nerve
  • To adjust the shape of the lens
  • The dorsal stream originating from the occipital cortex is primarily involved in processing what aspect of vision?

    <p>Movement detection</p> Signup and view all the answers

    Which theory of color vision explains color deficiency but not other color vision phenomena?

    <p>Trichromatic Theory</p> Signup and view all the answers

    Which component is part of the opponent process system in color vision?

    <p>Ganglion Cells</p> Signup and view all the answers

    What happens to the lens when viewing distant objects?

    <p>It flattens as muscles relax</p> Signup and view all the answers

    What does the term 'genotype' refer to?

    <p>An individual's complete set of genetic instructions.</p> Signup and view all the answers

    Which of the following statements about alleles is correct?

    <p>Different versions of a gene are known as alleles.</p> Signup and view all the answers

    What is the primary reason males are more likely to inherit hemophilia?

    <p>It is caused by an allele found on the X chromosome.</p> Signup and view all the answers

    What does the concept of 'epigenetics' refer to?

    <p>The expression of genes influenced by environmental factors.</p> Signup and view all the answers

    What does being 'homozygous' signify in genetic terms?

    <p>An individual has identical alleles for a gene.</p> Signup and view all the answers

    What is a characteristic of fraternal twins?

    <p>They are formed from separate eggs fertilized by separate sperm.</p> Signup and view all the answers

    Which definition correctly describes 'relatedness' in genetic terms?

    <p>The genetic similarity between two individuals from a common ancestor.</p> Signup and view all the answers

    What is true regarding the sex chromosomes of most females?

    <p>They typically carry two X chromosomes.</p> Signup and view all the answers

    What is the main function of cilia in taste receptor cells?

    <p>To transduce taste stimuli into neural signals</p> Signup and view all the answers

    Which brain structure is NOT mentioned as part of the pathway for taste information processing?

    <p>Hippocampus</p> Signup and view all the answers

    What role does the Default Mode Network (DMN) play in consciousness?

    <p>Decreases awareness in conscious tasks</p> Signup and view all the answers

    What is prosopagnosia commonly referred to as?

    <p>Face blindness</p> Signup and view all the answers

    How do seizures primarily affect consciousness?

    <p>By causing unconsciousness and convulsions</p> Signup and view all the answers

    What is an effect of drugs that inhibit GABA?

    <p>They produce seizures</p> Signup and view all the answers

    Which syndrome involves a distortion of emotional recognition?

    <p>Capgras Syndrome</p> Signup and view all the answers

    What is the relationship between GABA and seizures?

    <p>Decreased GABA levels can lead to seizures</p> Signup and view all the answers

    What distinguishes partial seizures from generalized seizures?

    <p>Partial seizures are associated with an aura or premonition.</p> Signup and view all the answers

    Which type of seizure is characterized by violent contractions and a subsequent coma period?

    <p>Tonic-clonic seizures.</p> Signup and view all the answers

    What role do zeitgebers play in circadian rhythms?

    <p>They synchronize internal clocks with external environments.</p> Signup and view all the answers

    How does artificial lighting affect sleep?

    <p>It can break down melatonin.</p> Signup and view all the answers

    What is a common treatment for seasonal depression?

    <p>Bright light exposure, with or without melatonin.</p> Signup and view all the answers

    What characteristic of beta activity in EEG indicates a person is actively thinking?

    <p>Rapid, irregular, low-amplitude waves.</p> Signup and view all the answers

    Circadian rhythms are regulated by which part of the brain?

    <p>Hypothalamus.</p> Signup and view all the answers

    Which of the following statements about chronotypes is correct?

    <p>They refer to individual differences in sleep and activity patterns.</p> Signup and view all the answers

    What term describes the inability to form new memories?

    <p>Anterograde amnesia</p> Signup and view all the answers

    What effect does high acetylcholine (ACh) levels potentially have on memory?

    <p>Impairs memory consolidation and retrieval</p> Signup and view all the answers

    Which part of the brain is correlated with procedural memories?

    <p>Basal ganglia</p> Signup and view all the answers

    Which method is suggested to improve memory retention when learning new information?

    <p>Spacing out the input of information over time</p> Signup and view all the answers

    What is the function of the N-methyl-D-aspartate receptor in learning?

    <p>Regulates learning-related synaptic changes</p> Signup and view all the answers

    What is the first step in the memory process?

    <p>Encoding</p> Signup and view all the answers

    How long does short-term memory typically hold information?

    <p>About 30 seconds</p> Signup and view all the answers

    What does Atkinson and Shiffrin's multistore model of memory propose?

    <p>Data flows through distinct stages</p> Signup and view all the answers

    Which of the following describes a meme according to Richard Dawkins?

    <p>The basic unit of cultural transmission</p> Signup and view all the answers

    What is a common cause of retrieval failure in memory?

    <p>Interference</p> Signup and view all the answers

    What does the term 'cultural transmission' refer to?

    <p>How individuals learn behaviors through observation</p> Signup and view all the answers

    What is the primary function of memory as viewed by evolutionary psychologists?

    <p>To coordinate present behavior using past information</p> Signup and view all the answers

    In which stage of memory is information held for the shortest duration?

    <p>Sensory Memory</p> Signup and view all the answers

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