Gcu Bio202 Exam 1 Verified Solutions 2023/2024

anatomical location of the parathyroid glands {Ans: embedded on posterior surface of the thyroid gland}oxytocin {Ans: stimulates contractions of the uterus during labor and causes milk ejection from breast tissue}Major effects of growth hormone {Ans: -directed to growth of skeletal muscles and long bones}GAS (General adaptation syndrome) {Ans: -Body's reaction to stress -Stages 1. alarm reaction 2. stage of resistance 3. stage of exhaustion}Protein bound hormones {Ans: -Remain much longer -enter bloodstream}relationship between the hypothalamus and the pituitary gland {Ans: -ensures regulatory factors reach intended targets before entering general circulation intended largest cells -Portal vessels carry hormones to anterior pituitary -Neurons synthesize releasing hormones into capillaries of portal system}neurotransmitter {Ans: a chemical compound released by one neuron to affect the trans membrane potential of another}Complex endocrine reflexes {Ans: Involves -One or more intermediary steps -Two or more hormones -i.e. The hypothalamus}negative feedback and its role in regulating blood levels of the various hormones {Ans: -response to changed body condition -ex. signals tell body to make changes that will bring back to normal level. -once back to normal, will turn off.}Three ways endocrine reflexes can be triggered {Ans: -humoral stimuli -hormonal