A) Thyroxine and vitamin D B) Glucocorticoids and steroids C) Estrogens and progestogens D) Insulin and adrenaline
A) Insulin B) Adrenaline C) Levothyroxine D) Estrogen
A) An amount equal to the body's natural production B) A completely synthetic hormone derivative C) A deficiency of a hormone D) An amount far greater than naturally occurs in a healthy body
A) To control hormone concentration B) To suppress inflammation C) To treat diabetes D) To manage hypothyroidism
A) External stimuli alone B) Gene transcription only C) Hormone concentration D) Environmental temperature
A) Yes, they directly cause all behaviors B) No, they only function as neurotransmitters C) No, they increase the probability of an event occurring D) Yes, they override all external stimuli
A) A one-way street B) No relationship exists C) A feedback loop D) Behavior is only caused by hormones
A) To prevent gene transcription B) To stop the use of medication C) To increase inflammation D) To provide constancy to episodic hormone secretion
A) Reintroduction of hormone must bring back behavior B) Absence of hormone should cause absence of behavior C) Hormone concentration must remain constant D) Frequency of behavior should correspond to hormonal source frequency
A) A new behavior is created B) The system becomes more stable C) The behavior is not expected to occur D) The behavior continues indefinitely
A) A decrease in hormone concentration B) No change in behavior C) The return of the absent behavior D) The permanent suppression of the behavior
A) Insulin equivalents B) Estrogen creams C) Thyroxine D) Pharmacologic equivalents of adrenaline
A) Autoimmune diseases B) Hypothyroidism C) Diabetes D) Hormonal deficiency
A) The speed of hormone secretion B) The number of external stimuli C) The efficiency of hormone receptors D) The type of behavior
A) Adrenaline and insulin B) Progestogens and glucocorticoids C) Steroid and vitamin D creams D) Thyroxine and estrogen
A) 1920 B) 1880 C) 1849 D) 1933
A) Decreased aggression B) Larger wattles and combs C) Increased crowing frequency D) Enhanced sexual attraction
A) The rooster became sterile but aggressive B) The rooster developed abnormal behaviors C) The rooster maintained normal physical anatomy D) The testis failed to function
A) Auxin B) Testosterone C) Adrenaline D) Estrogen
A) Root system depth B) Movement towards light C) Genetic inheritance of leaf color D) Rate of water absorption
A) At the base B) In the middle of the stem C) In the roots D) At the tip
A) At the tip B) In the leaves C) Lower down the stem D) At the roots
A) A magnetic field B) A transmissible substance C) A heat gradient D) An electrical impulse
A) 1880 B) 1920 C) 1849 D) 1933
A) Testosterone B) Auxin C) Ethylene D) Gibberellin
A) Muscle tissues B) Endocrine glands C) Nerve fibers D) Bone marrow
A) Sweat gland B) Salivary gland C) Thyroid gland D) Lacrimal gland
A) Osmosis B) Phagocytosis C) Exocytosis D) Pinocytosis
A) Testosterone B) Estrogen C) Thyroxine D) Insulin
A) Enzyme activation B) Receptor protein C) Protein synthesis D) DNA replication
A) Hormone synthesis B) A cellular response C) Membrane breakdown D) Cell death
A) Old Norse B) Ancient Greek C) Sanskrit D) Latin
A) Insulin B) Prostaglandins C) Auxin D) Ethylene
A) Epinephrine B) Nitric oxide C) Oestrogen D) Insulin
A) Protein degradation B) Cell division C) Gene transcription D) Photosynthesis
A) Via second messengers on the cell surface B) By entering the nucleus directly C) By binding to intracellular receptors D) By crossing the plasma membrane
A) Polyhydroxysteroids B) Amines C) Eicosanoids D) Peptides
A) Steroids B) Eicosanoids C) Second messengers D) Prohormones
A) Through interstitial spaces B) Using specialized sweat glands C) Via ducts D) Directly into the bloodstream
A) Epinephrine B) Ethylene C) Brassinosteroids D) Insulin
A) 1894 B) 1902 C) 1905 D) 1895
A) Claude Bernard B) Edward Albert Schäfer C) William Bayliss D) Ernest Starling
A) Cortisol B) Secretin C) Adrenaline D) Estrogen
A) Schäfer B) Bayliss C) Starling D) Oliver
A) 1895 B) 1905 C) 1894 D) 1902
A) Chemically B) Structurally C) Functionally D) Geographically
A) Only animals B) Only plants C) Multicellular organisms D) Only unicellular organisms
A) Fungi B) Plants C) Viruses D) Brown algae
A) Steroid B) Glycoprotein C) Sesquiterpenoid D) Polypeptide
A) ATP B) Cyclic AMP C) Sodium ion D) Glucose
A) Outside the cell B) In the extracellular matrix C) Embedded in the cell membrane D) Inside the cytoplasm
A) Abscisic acid B) Juvenile hormone C) Eicosanoid D) Adrenaline
A) Autocrine B) Intracrine C) Endocrine D) Paracrine
A) Homeostasis B) Neurotransmission C) Apoptosis D) Metabolism
A) Stop hormone production B) Activate different signal transduction pathways C) Destroy the hormone D) Increase cell size indefinitely
A) Golgi apparatus B) Plasma membrane C) Lysosome D) Nucleolus
A) Genetic modification B) Total removal C) Activation or inhibition D) Transformation
A) Progesterone B) Thyroxine C) Cortisol D) Ethylene
A) Prohormones B) Tropic hormones C) Antagonists D) Local hormones
A) Effectors B) Prohormones C) Antagonists D) Tropic hormones
A) Neural signals are slower. B) They travel at the exact same speed. C) Hormonal signals are much faster. D) Neural signals are much faster.
A) Analog-only. B) Continuously variable. C) Dependent on concentration. D) All-or-nothing (digital).
A) Red blood cells. B) Neuroendocrine cells. C) Only neurons. D) Only endocrine tissue.
A) Regulating electrical signals. B) Regulating the metabolic rate. C) Regulating blood pressure. D) Regulating neural speed. |