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MCAT Hormones

Subjects : mcat, science
Instructions:
  • Answer 32 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Posterior Pituitary -> Breast & Uterus: milk letdown and uteral contractions






2. Testes: male characteristics; spermatogenesis






3. Anterior Pituitary: increases bone and muscle growth - increases cell turnover rate






4. Anterior Pituitary -> Ovary / Testes: follicle development or spermatogenesis






5. Thyroid C Cells -> Bone - Kidney - Small Intestine: lowers serum [Ca2+]






6. Atrial natriuretic factor (ANF) & Aldosterone






7. Adrenal Medulla -> Kidney: increased Na+ reabsorption to increase blood pressure






8. Adrenal Cortex: not normally important - but an adrenal tumor can overproduce these - causing masculinization or feminization.






9. Thyroid: in the child it is necessary for physical and mental development; in the adult - it increases metabolic rate and temperature






10. ALPHA Cells of The Islets of Langerhans In The Pancreas: secreted at low blood [glucose] and results in an increase in blood [glucose] and decrease in glycogen and fat storage






11. BETA Cells of The Islets of Langerhans In The Pancreas: decreases blood [glucose]; increases glycogen and fat storage; it is activated at high blood [glucose] and is absent or ineffective in diabetes melitus






12. Ovaries / Placenta: Female characteristics - endometrial growth






13. Anterior Pituitary -> Thyroid: increases synthesis and release of thyroid hormone (tropic)






14. Anterior Pituitary -> Adrenal Gland: increases growth and secretory activity of adrenal cortex






15. Oxytocin - Prolactin - Progesterone - Estrogen - LH - FSH






16. Kidney -> Bone Marrow: increases RBC synthesis






17. Thymus: is involved in T- cell development during childhood.






18. Anterior Pituitary -> Mammary Gland: milk production






19. ParaThyroids -> Bone - Kidney - Small Intestine: raises serum [Ca2+]






20. Oxytocin and Prolactin






21. Hypothalamus -> Anterior Pituitary: modifies activities






22. Ovaries / Placenta: leads to endometrial secretion - pregnancy






23. SIGMA Cells of The Islets of Langerhans In The Pancreas: inhibits many digestive processes






24. Posterior Pituitary -> Kidney: water retention






25. Parathyroid hormone and Calcitonin






26. Adrenal Cortex: results in a longer - term stress response; increased blood [glucose]; increased protein catabolism; decreased inflammation and immunity; many other






27. Heart -> Kidney: increases urination to decrease blood pressure






28. Adrenal Medulla: sympathetic stress response (rapid)






29. Anterior Pituitary -> Ovary/ Testes: ovulation or testosterone synthesis






30. Insulin and Glucagon






31. Glucagon (polypeptide derivative) - Epinepherine (amino acid derivative) - Cortisol (steroid / glucocorticoid)






32. Glucagon (alpha) & Insulin (beta) & Somatostatin (sigma)