Anatomy of the Ear Quiz
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Questions and Answers

What is the process of converting one form of energy into another by sensory receptors known as?

  • Modulation
  • Inhibition
  • Adaptation
  • Transduction (correct)
  • Which type of sensory receptor is very quickly adapting, especially with continuous stimulation?

  • Thermoreceptors
  • Mechanoreceptors
  • Tonic receptors
  • Phasic receptors (correct)
  • What are nociceptors responsible for detecting?

  • Vibrations
  • Hot and cold sensations
  • Chemicals in the body
  • Pain (correct)
  • Which type of receptor is responsible for responding to light in the eyes?

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

    Where are exteroceptors primarily located in the body?

    <p>In the skin and mucous membranes</p> Signup and view all the answers

    Which part of the eye is responsible for preventing light scatter and thus preventing blurriness?

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

    What is the function of the Ciliary muscle in the eye?

    <p>Changes the shape of the lens</p> Signup and view all the answers

    Which part of the ear can become infected and potentially rupture due to middle ear infections?

    <p>Tempanic membrane</p> Signup and view all the answers

    Which type of cells in the retina are highly sensitive to light but have decreased visual acuity?

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

    What is the function of the pigment layer in the retina?

    <p>Prevent light scatter</p> Signup and view all the answers

    Which gland secretes calcitonin to decrease the amount of calcium in the bloodstream?

    <p>Thymus gland</p> Signup and view all the answers

    What is the role of parathyroid hormone (PTH) when the blood calcium level is low?

    <p>Increase bone resorption</p> Signup and view all the answers

    Which system is the thymus gland primarily involved in?

    <p>Immune system</p> Signup and view all the answers

    Which hormones are released by the adrenal medulla in response to stress, fear, and pain?

    <p>Catecholamines (epinephrine, norepinephrine, dopamine)</p> Signup and view all the answers

    What is the main function of aldosterone released by the adrenal cortex?

    <p>Regulate electrolyte balance</p> Signup and view all the answers

    What is the primary function of the outer ear in relation to sound?

    <p>Transmit sound waves to the eardrum</p> Signup and view all the answers

    How does the ear protect the eardrum from bacterial growth?

    <p>By secreting lysozyme in the middle ear</p> Signup and view all the answers

    Which part of the brain can be directly influenced by the olfactory cortex?

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

    What is the unit used to measure loudness or amplitude of sound vibrations?

    <p>Hertz (Hz)</p> Signup and view all the answers

    In terms of sound perception, what does pitch refer to?

    <p>The loudness or intensity of a sound</p> Signup and view all the answers

    Where does the process of converting sound waves into electrical signals begin in the ear?

    <p>Oval window</p> Signup and view all the answers

    Which part of the ear is responsible for maintaining posture and detecting angular acceleration?

    <p>Cristae ampullary</p> Signup and view all the answers

    What type of fluid is found in the scala media of the cochlear duct?

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

    Which structure in the ear is responsible for detecting linear acceleration and static equilibrium?

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

    In the auditory pathway, where do 1st order neuron fibers leave the cochlea?

    <p>Cochlear nerve CNVIII</p> Signup and view all the answers

    What is the function of the hypothalamus in the endocrine system?

    <p>Regulating water balance and thermoregulation</p> Signup and view all the answers

    Which gland is ductless and secretes hormones directly into the bloodstream?

    <p>Endocrine gland</p> Signup and view all the answers

    What happens in the case of high or low blood calcium levels to maintain homeostasis?

    <p>Activation of the parathyroid hormone</p> Signup and view all the answers

    Which part of the eye is primarily affected by macula degeneration?

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

    How do endocrine and nervous systems differ in terms of communication speed and duration of effects?

    <p>Endocrine system reacts slower but its effects last longer</p> Signup and view all the answers

    What is the function of the pineal gland in the body?

    <p>Regulation of the circadian rhythm</p> Signup and view all the answers

    Which hormone is known as the 'master gland'?

    <p>Growth hormone</p> Signup and view all the answers

    What does dopamine inhibit in the body?

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

    Which term is used to describe the 'seat of the soul' or 'third eye' in old terms?

    <p>Pineal gland</p> Signup and view all the answers

    What is the primary function of oxytocin in the body?

    <p>Induction of labor contractions and milk ejection</p> Signup and view all the answers

    Which hormone is involved in the emotional bonding between partners and mother-child bonding?

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

    What does TRH (Thyrotropin-releasing hormone) stimulate in the anterior pituitary gland?

    <p>Thyroid-stimulating hormone release</p> Signup and view all the answers

    'Tropin' as a suffix signifies that a hormone is going to:

    <p>Stimulate another tissue to release hormone</p> Signup and view all the answers

    'Somatostatin' primarily functions to inhibit the release of which hormone?

    <p>Growth hormone</p> Signup and view all the answers

    What controls the release of antidiuretic hormone (ADH) and oxytocin from the posterior pituitary gland?

    <p>Neuroendocrine reflexes</p> Signup and view all the answers

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