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