BCH 309David Umahi Federal University of Health SciencesOct 26, 2026
Endocrinology
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Practice Exam
66+ Questions
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Executive Topic Summary
High-yield cheatsheet and core concepts for BCH 309.
High-Yield Exam Takeaways
- Core Definitions
- Hormone Classification
- Signal Transduction Mechanisms
- Polypeptide Hormones: Insulin
- Diabetes Mellitus
- Amino Acid-Derived Hormones
- Thyroid Hormones (T3, T4)
- Steroid Hormones
- Glucocorticoids: Cortisol
- Mineralocorticoids: Aldosterone
Sample Practice Questions (Active Recall)
Q1.Which of the following best explains why endocrine glands are distinct from exocrine glands in their mechanism of hormone delivery?
AExocrine glands secrete hormones while endocrine glands secrete enzymes exclusively
BEndocrine glands release hormones directly into interstitial fluids for diffusion into the bloodstream
CEndocrine glands produce only lipid-soluble hormones that cannot traverse ducts
DEndocrine glands secrete hormones into ducts that lead directly to target organs
Q2.What is the consequence of secretin secretion by the duodenum on pancreatic function?
ASuppression of bicarbonate secretion to maintain acidic pH
BStimulation of pancreatic enzyme production for protein digestion
CDirect inhibition of gastric acid secretion by parietal cells
DStimulation of pancreatic acinar cells to produce bicarbonate and water for pH neutralization
Q3.Which physiological function is NOT among the four principal functions of hormones as defined in endocrinology?
AControl of energy metabolism
BDirect neural transmission of sensory information
CRegulation of electrolyte composition of bodily fluids
DControl of reproduction
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