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PDF Download FREE AND STUDY GAMES ABOUT A&P2 CH 25 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -52 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: the second messenger often involved in nonsteorid hormone action is:
Answer:
cAMP Question 2: some hormones produce their effects by triggering the opening of _____ channels
Answer:
calcium Question 3: Up-regulation:
Answer:
Increased number of hormone receptors increases sensitivity
Question 4: blood regulator important in the blood clotting
Answer:
thromboxane
Question 5: Down-regulation:
Answer:
Decreased number of hormone receptors decreases sensitivity
Question 6: inhibits PGE synthesis
Answer:
ibuprofen Question 7: the _____ of steroid hormone present determines the magnitude of a target cells response
Answer:
amount
Question 8: the first prostaglandin was discovered in ____
Answer:
semen
Question 9: what three functions does the neuroendocrine system preform?
Answer:
communication, control, and integration
Question 10: binds to specific plasma membrane receptor
Answer:
nonsteroid hormone
Question 11: input from the nervous system influences secretion of _____
Answer:
hormones Question 12: combined hormone actions:
Answer:
Synergism, Permissiveness, Antagonism
Question 13: lipid molecules
Answer:
eicosanoids
Question 14: receptor is mobile in the cytoplasm or nucleus
Answer:
steroid hormone
Question 15: regulates gene activity
Answer:
steroid hormone
Question 16: immunity regulator
Answer:
leukotrienes Question 17: in _____, one hormone produces the opposite effect of another hormone
Answer:
antagonism
Question 18: all steroid hormones are derived from which common molecule?
Answer:
cholesterol Question 19: _____ hormones are hormones that regulate activity in nearby cells within the same tissue as their source
Answer:
paracrine
Question 20: local hormone
Answer:
tissue hormone
Question 21: the _____ regulates the thyroid by producing thyroid-stimulating hormone (TSH)
Answer:
pituitary Question 22: the target cell concept is an example of the _____ model of chemical reactions
Answer:
lock-and-key Question 23: if norepinephrine diffuses into the blood and then binds to an adrenergic receptor in a distant target cell, it is known as _____
Answer:
hormone Question 24: the most widely used method of hormone classification is by _____ _____
Answer:
chemical structure
Question 25: if too little hormone is produced, the condition is called ____
Answer:
hyposecretion Question 26: the _____ system functions at a much greater speed than the endocrine system
Answer:
nervous system Question 27: nonsteriod hormones include:
Answer:
proteins, peptides, and glycoproteins
Question 28: _____ hormones regulate activity in the secreting cell itself
Answer:
autocrine
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