Hormone - Quiz
  • 1. What are the most commonly prescribed hormones?
A) Thyroxine and vitamin D
B) Insulin and adrenaline
C) Glucocorticoids and steroids
D) Estrogens and progestogens
  • 2. Which medication is typically prescribed for hypothyroidism?
A) Adrenaline
B) Insulin
C) Levothyroxine
D) Estrogen
  • 3. What is a 'pharmacologic dose' of a hormone?
A) A completely synthetic hormone derivative
B) An amount far greater than naturally occurs in a healthy body
C) An amount equal to the body's natural production
D) A deficiency of a hormone
  • 4. What is one therapeutic use of glucocorticoids mentioned in the text?
A) To treat diabetes
B) To suppress inflammation
C) To manage hypothyroidism
D) To control hormone concentration
  • 5. What determines behavior at the neurological level according to the text?
A) Hormone concentration
B) Environmental temperature
C) Gene transcription only
D) External stimuli alone
  • 6. Do hormone concentrations incite behavior directly?
A) Yes, they override all external stimuli
B) No, they only function as neurotransmitters
C) No, they increase the probability of an event occurring
D) Yes, they directly cause all behaviors
  • 7. What is the relationship between behavior and hormone concentration?
A) Behavior is only caused by hormones
B) No relationship exists
C) A one-way street
D) A feedback loop
  • 8. Why are hormone-behavior feedback loops essential?
A) To increase inflammation
B) To prevent gene transcription
C) To stop the use of medication
D) To provide constancy to episodic hormone secretion
  • 9. What is the first stage of reasoning to determine a hormone-behavior interaction?
A) Hormone concentration must remain constant
B) Absence of hormone should cause absence of behavior
C) Reintroduction of hormone must bring back behavior
D) Frequency of behavior should correspond to hormonal source frequency
  • 10. What happens if a behaviorally dependent hormonal source is removed?
A) A new behavior is created
B) The behavior continues indefinitely
C) The system becomes more stable
D) The behavior is not expected to occur
  • 11. What is the expected outcome of reintroducing a missing hormonal source?
A) The permanent suppression of the behavior
B) A decrease in hormone concentration
C) No change in behavior
D) The return of the absent behavior
  • 12. Which substances are often found in local otolaryngology preparations?
A) Pharmacologic equivalents of adrenaline
B) Estrogen creams
C) Insulin equivalents
D) Thyroxine
  • 13. Which of the following are commonly treated with steroids?
A) Diabetes
B) Autoimmune diseases
C) Hormonal deficiency
D) Hypothyroidism
  • 14. What determines the influence of hormones on gene transcription?
A) The number of external stimuli
B) The efficiency of hormone receptors
C) The speed of hormone secretion
D) The type of behavior
  • 15. What is used extensively in dermatological practice?
A) Progestogens and glucocorticoids
B) Thyroxine and estrogen
C) Steroid and vitamin D creams
D) Adrenaline and insulin
  • 16. What was the year of Arnold Adolph Berthold's experiment regarding testes?
A) 1880
B) 1920
C) 1849
D) 1933
  • 17. What did Berthold observe in castrated roosters regarding their behavior?
A) Increased crowing frequency
B) Larger wattles and combs
C) Decreased aggression
D) Enhanced sexual attraction
  • 18. What was the result of placing a removed testis into the abdominal cavity of a rooster?
A) The rooster became sterile but aggressive
B) The testis failed to function
C) The rooster developed abnormal behaviors
D) The rooster maintained normal physical anatomy
  • 19. What hormone was eventually identified as the factor in Berthold's discovery?
A) Auxin
B) Testosterone
C) Adrenaline
D) Estrogen
  • 20. In the 1870s, what did Charles and Francis Darwin study in plants?
A) Root system depth
B) Movement towards light
C) Genetic inheritance of leaf color
D) Rate of water absorption
  • 21. Where is light perceived in a young plant stem according to the Darwins?
A) In the roots
B) In the middle of the stem
C) At the base
D) At the tip
  • 22. Where does the bending occur in a young plant stem responding to light?
A) In the leaves
B) At the tip
C) Lower down the stem
D) At the roots
  • 23. What did the Darwins propose was communicating the direction of light?
A) An electrical impulse
B) A transmissible substance
C) A heat gradient
D) A magnetic field
  • 24. When was the plant hormone auxin finally isolated?
A) 1880
B) 1933
C) 1849
D) 1920
  • 25. What is the name of the first plant hormone discovered?
A) Auxin
B) Gibberellin
C) Ethylene
D) Testosterone
  • 26. Where are hormone-producing cells primarily found?
A) Endocrine glands
B) Muscle tissues
C) Bone marrow
D) Nerve fibers
  • 27. Which of the following is an example of an endocrine gland mentioned in the text?
A) Thyroid gland
B) Lacrimal gland
C) Sweat gland
D) Salivary gland
  • 28. Which method is used to secrete hormones when endocrine glands are signaled?
A) Pinocytosis
B) Osmosis
C) Phagocytosis
D) Exocytosis
  • 29. Which hormone is cited as an example of having systemic physiological effects?
A) Estrogen
B) Testosterone
C) Thyroxine
D) Insulin
  • 30. What is required for the recognition of a hormone by a target cell?
A) Receptor protein
B) Protein synthesis
C) Enzyme activation
D) DNA replication
  • 31. What happens after a signal transduction process occurs in a target cell?
A) Membrane breakdown
B) Cell death
C) A cellular response
D) Hormone synthesis
  • 32. What is the etymological origin of the word hormone?
A) Sanskrit
B) Old Norse
C) Ancient Greek
D) Latin
  • 33. What is an example of an eicosanoid hormone?
A) Insulin
B) Prostaglandins
C) Auxin
D) Ethylene
  • 34. Which of the following is classified as a gas hormone?
A) Oestrogen
B) Nitric oxide
C) Insulin
D) Epinephrine
  • 35. What process is typically activated when a hormone binds to its receptor and triggers a signal transduction pathway?
A) Photosynthesis
B) Cell division
C) Protein degradation
D) Gene transcription
  • 36. How do water-soluble hormones generally act on target cells?
A) By entering the nucleus directly
B) Via second messengers on the cell surface
C) By binding to intracellular receptors
D) By crossing the plasma membrane
  • 37. Brassinosteroids are a type of which hormone class?
A) Amines
B) Peptides
C) Polyhydroxysteroids
D) Eicosanoids
  • 38. What are hormones called that must be activated in certain cells through a series of steps?
A) Steroids
B) Prohormones
C) Second messengers
D) Eicosanoids
  • 39. How does the endocrine system secrete hormones?
A) Via ducts
B) Directly into the bloodstream
C) Through interstitial spaces
D) Using specialized sweat glands
  • 40. Which hormone is mentioned as a potential anticancer drug?
A) Brassinosteroids
B) Epinephrine
C) Ethylene
D) Insulin
  • 41. In what year did Oliver and Schäfer publish their first two reports on adrenal extracts?
A) 1895
B) 1905
C) 1902
D) 1894
  • 42. Who was the professor at University College London collaborating with George Oliver?
A) Ernest Starling
B) Edward Albert Schäfer
C) William Bayliss
D) Claude Bernard
  • 43. Which hormone is frequently and falsely attributed to the work of Oliver and Schäfer?
A) Estrogen
B) Secretin
C) Adrenaline
D) Cortisol
  • 44. Who coined the term 'hormone'?
A) Schäfer
B) Starling
C) Oliver
D) Bayliss
  • 45. In what year did Starling coin the term 'hormone'?
A) 1902
B) 1905
C) 1895
D) 1894
  • 46. How are hormones defined according to the text?
A) Structurally
B) Functionally
C) Chemically
D) Geographically
  • 47. In which types of organisms do hormones occur?
A) Multicellular organisms
B) Only plants
C) Only animals
D) Only unicellular organisms
  • 48. Which of these is NOT listed as a group where hormones occur?
A) Fungi
B) Plants
C) Brown algae
D) Viruses
  • 49. What type of molecule is the juvenile hormone found in insects and crustaceans?
A) Glycoprotein
B) Polypeptide
C) Steroid
D) Sesquiterpenoid
  • 50. What is a common secondary messenger involved in signal transduction?
A) Cyclic AMP
B) Sodium ion
C) ATP
D) Glucose
  • 51. Where are the receptors for steroid or thyroid hormones typically located?
A) Inside the cytoplasm
B) Outside the cell
C) In the extracellular matrix
D) Embedded in the cell membrane
  • 52. Which plant hormone is mentioned in the text?
A) Abscisic acid
B) Eicosanoid
C) Juvenile hormone
D) Adrenaline
  • 53. What mechanism describes protein hormones interacting with intracellular receptors in the cytoplasm or nucleus?
A) Autocrine
B) Endocrine
C) Paracrine
D) Intracrine
  • 54. How do hormones maintain the internal environment of the body?
A) Neurotransmission
B) Apoptosis
C) Homeostasis
D) Metabolism
  • 55. What can a cell do if it has multiple receptors for the same hormone?
A) Stop hormone production
B) Activate different signal transduction pathways
C) Destroy the hormone
D) Increase cell size indefinitely
  • 56. Besides the cytoplasm, where can steroid receptors sometimes be found?
A) Golgi apparatus
B) Lysosome
C) Nucleolus
D) Plasma membrane
  • 57. What is one of the effects hormones have on the immune system?
A) Transformation
B) Activation or inhibition
C) Genetic modification
D) Total removal
  • 58. Which of the following is a plant hormone?
A) Cortisol
B) Thyroxine
C) Progesterone
D) Ethylene
  • 59. What are hormones that stimulate the hormone production of other endocrine glands called?
A) Local hormones
B) Antagonists
C) Prohormones
D) Tropic hormones
  • 60. What are competing ligands that inhibit hormone effects called?
A) Tropic hormones
B) Effectors
C) Prohormones
D) Antagonists
  • 61. How does the speed of neural signals compare to hormonal signals at an equivalent distance?
A) Hormonal signals are much faster.
B) Neural signals are much faster.
C) They travel at the exact same speed.
D) Neural signals are slower.
  • 62. What is the nature of the neural signaling action?
A) Analog-only.
B) All-or-nothing (digital).
C) Dependent on concentration.
D) Continuously variable.
  • 63. What type of cells produce neurohormones?
A) Neuroendocrine cells.
B) Only neurons.
C) Red blood cells.
D) Only endocrine tissue.
  • 64. What is the role of thyroxine in the body?
A) Regulating electrical signals.
B) Regulating blood pressure.
C) Regulating the metabolic rate.
D) Regulating neural speed.
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