FREE AND STUDY GAMES ABOUT AP CHAP 16 EXAM

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FREE AND STUDY GAMES ABOUT AP CHAP 16 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -46 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: which of the following is not a change that may be caused by hormonal stimulus?

Answer:

direct control of the nervous system

Question 2: regulating hormones from hypothalamus____

Answer:

first enger into the hypophyseal portal system Question 3: what ion is sometimes used as a second messenger of amino acid based hormones?

Answer:

calcium

Question 4: adh____

Answer:

is inhibited by alcohol

Question 5: which of the following is true about calcium homeostasis?

Answer:

parathyroid hormone is the single most important regulator of calcium levels in the blood.

Question 6: which of the following is not a cardinal sign of diabetes mellitus?

Answer:

all of these are signs (polyphagia, polyuria, polydipsia)

Question 7: the major targets of growth hormone are___

Answer:

bones and skeletal muscles Question 8: hormones often cause a cell to elicit multiple responses; this is because___

Answer:

during protein kinase activation, enzymes phosphorylate many other enzymes Question 9: cellular responses to hormones that initiate second messenger systems include___

Answer:

possible activation of several different second messenger systems

Question 10: eicosanoids do not include___

Answer:

hydrocortisones Question 11: thyroxine is a peptide hormone, but its mechanism is different from other peptide hormones. Which of the following statements is true concerning this difference?

Answer:

it does not require a second messenger to effect a response

Question 12: Gonadocorticoids____

Answer:

production by the adrenal gland is insignificant compared with sex hormone release from the gonadsduring late puberty.

Question 13: the ability of a specific tissue or organ to respond to the presene of a hormone is dependent on ____

Answer:

the prescence of the appropriate receptors on the cells of the target tissue or organ Question 14: which of the following would be associated with the action of steroids on cells?

Answer:

a hormone receptor complex that interacts directly with the cell's DNA Question 15: chemical substances secreted by cells into the extracellular fluids and regulate the metabolic function of other cells in the body are called___

Answer:

hormones

Question 16: the only amine hormone to act like a steroid is___

Answer:

TH

Question 17: which organ does not have hormone production?

Answer:

liver Question 18: in circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as

Answer:

up regulation

Question 19: the hypothalamic hypophyseal tract ___

Answer:

is partly contained within the infundibulum Question 20: One of the least complicated of the endocrine systems directly responds to changing blood levels of ions and nutrients. Which of the following describes this mechanism?

Answer:

humoral stimulation

Question 21: leptin is secreted by___

Answer:

adipocytes Question 22: the neurohypophysis or posterior lobe of the pituitary gland is not a true endocrine gland because___

Answer:

it is only a hormone storage area that receives hormones from hypothalamus for release Question 23: several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through the___

Answer:

hypophyseal portal system Question 24: when it becomes necessary to enlist the fight or flight response a hormone that is released during the alarm phase of the general adaptation of syndrome is___

Answer:

epinephrine Question 25: which of the following organs is affected by thyroid hormone in adults?

Answer:

liver Question 26: the most important regulator of electrolyte concentrations in extracellular fluids is___

Answer:

aldosterone Question 27: virtually all of the protein or amino acid based hormones exert their effects through intracellular ___

Answer:

second messengers