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FREE MCAT AND STUDY GAMES ABOUT MCAT-HORMONES
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -53 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: FLAT PEG?
Source?
Answer:
Fsh, Lh, Acth, Tsh, Pro, End, Gh.Anterior Pituitary
Question 2: Atrial Natiuretic peptide. Action?
Answer:
Involved in osmoregulation and vasodialation.
Question 3: Melatonin. Action?
Answer:
Unclear in humans... thought to have possible roles in circadian rhythms, as antioxidant, in immune system.
Question 4: Insulin. Source?
Answer:
Pancreas.
Question 5: Thyroid Hormones (T4, T3). Source?
Answer:
Thyroid
Question 6: How do steroid hormones act?
Answer:
via a hormone/receptor binding to DNA.
Question 7: Parathyroid hormone. Action?
Answer:
Increases the blood calcium level.
Question 8: Growth Hormone. Action?
Answer:
Stimulates bone and muscle growth/lipolysis
Question 9: Calcitonin. Source?
Answer:
Thyroid
Question 10: How do amino acid hormones act?
Answer:
via secondary messengers OR via a hormone/receptor binding to DNA.
Question 11: Endorphins. Source?
Answer:
Anterior Pituitary
Question 12: Thymosin. Source?
Answer:
Thymus
Question 13: How do peptide hormones act?
Answer:
via secondary messengers.
Question 14: Epinepherine, Norepinepherine. Action?
Answer:
Increases blood glucose level and heart rate.
Question 15: Glucagon. Source?
Answer:
Pancreas.
Question 16: Growth Hormone. Source?
Answer:
Anterior Pituitary
Question 17: Glucagon. Action?
Answer:
Stimulates conversion of glycogen to glucose in the liver, increases blood glucose.
Question 18: Prolactin. Action?
Answer:
Stimulates milk production and secretion
Question 19: Thyroid Hormones (T4, T3). Action?
Answer:
Stimulates metabolic activity.
Question 20: Prolactin. Source?
Answer:
Anterior Pituitary
Question 21: Epinepherine, Norepinepherine. Source?
Answer:
Adrenal Medulla.
Question 22: Oxytocin. Action?
Answer:
Stimulates uterine contractions during labor, milk secretion during lactation.
Question 23: ADH. Action?
Answer:
Stimulates water absorption in kidneys.
Question 24: TSH Thyroid Stimulating. Source?
Answer:
Anterior Pituitary
Question 25: Endorphins. Action?
Answer:
Inhibit the perception of pain in the brain
Question 26: Vasodialation
Answer:
dialation of blood vessels, which decreases bp
Question 27: Thymosin. Action?
Answer:
Stimulates T lymphocyte development.
Question 28: Estrogen. Action?
Answer:
Maintains female secondary characteristics
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