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Q:l Whatl respondsl tol elevatedl bloodl calciuml levels?
Answer:
Thyroidl glandl andl calcitonin
Q:l Calcitonin
Answer:
Peptidel hormonel manufacturedl byl parafollicularl cellsl ofl thyroid
Q:l Negativel feedbackl loopl forl elevatedl bloodl calciuml levels
Answer:
Setl point:l bloodl calciuml levell 10l mg/10l mL
Stimulus:l bloodl calciuml levell raisesl abovel setl points
Sensor:l Calcium-sensingl receptorsl (CaSR)l inl parathyroidl glands
Response:l calcitoninl isl releasedl byl CaSRsl causing
l 1.l bone:l preventsl osteoclastsl froml breakl downingl bonel matrixl andl releasingl calcium
l 2.l Kidneys:l increasesl calciuml excretion
Q:l Hypercalcemia
BIOLl 102/l BIOL102l Modulel 4:l (Latestl
2026/l 2027l Update)l Essentiall Biologyl IIl W/Labl |l 100%l Verifiedl Questionsl &l Answersl |l Gradel A 1 / 3
Answer:
anl abnormallyl highl levell ofl calciuml inl thel blood;l oftenl causedl byl excessl ofl PTHl beingl releasedl withoutl al negativel feedbackl loopl tol stopl secretions.
Q:l Whatl antagonisticl hormonesl isl bloodl glucosel concentrationl regulatedl by?
Answer:
Insulinl andl glucagon
Q:l Insulin
Answer:
Peptidel hormonel thatl isl synthesized/storedl withinl specializedl cellsl ofl thel pancreas-l isletsl ofl Langerhans.
Q:l Isletsl ofl Langerhans
Answer:
specializedl cellsl inl thel pancreasl thatl releasel insulinl andl glucagon.l Consistsl ofl alphal cellsl andl betal cells.
Q:l betal cellsl ofl pancreas
Answer:
Manufacturel insulin
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Q:l alphal cellsl ofl pancreas
Answer:
Manufacturel glucagon
Q:l Glucagon
Answer:
al peptidel hormonel producedl andl secretedl byl thel alphal cellsl ofl thel pancreas,l whichl primarilyl targetsl thel liverl stimulatingl thel breakdownl ofl glycogen,l thusl increasingl bloodl glucosel level
Q:l Alll bodyl tissuel hasl receptorsl thatl bindl insulin,l whichl promotesl thel uptakel ofl glucosel (t/f)
Answer:
False-l ALMOSTl alll bodyl tissuel hasl receptorsl thatl bindl insulinl excludingl brainl tissue,l whichl lacksl insulinl receptorsl andl canl absorbl glucosel evenl inl thel absencel ofl insulin.
Q:l hepaticl portall vein
Answer:
Partl ofl thel digestivel tractl thatl Absorbsl glucosel afterl al meall andl transportsl itl tol thel liver.
Q:l Negativel feedbackl loopl forl elevatedl glucose
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