IAHSS FINAL EXAM NEWEST 2024 WITH COMPLETE
QUESTIONS AND CORRECT VERIFIED ANSWERS
(DETAILED ANSWERS) ALREADY GRADED A+ 100%
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Thyroid hormone enters target cells in a manner similar to _____. - ANSWER-
steroid hormones
Normal development of the immune response is due in part to hormones from
the ____. - ANSWER-Thymus gland
The most important mineralcorticoid regulator of electrolytes in extracellular
fluid is _____. - ANSWER-Aldosterone
Lisa starts to feel hungry and worries her blood sugar level may be dropping.
What hormone helps prevent a drop in blood sugar level? - ANSWER-Glucagon
Steroid hormones exert their action by _____. - ANSWER-entering the nucleus
of a cell and initiating or altering the expression of a gene
Aldosterone _____. - ANSWER-functions to increase sodium reabsorption
,Which of the following is NOT a parathyroid gland mechanism to maintain
adequate levels of blood calcium? - ANSWER-inhibition of calcitonin synthesis
A man has been told he is NOT synthesizing enough FSH and may be unable to
father a child. Chose the correct statement to explain this problem. - ANSWER-
FSH stimulates sperm production in the testes.
At age 85, Lyle's immune system does not respond to vaccines as well as it did
when he was younger. The atrophy of which endocrine gland is likely
responsible for this? - ANSWER-Thymus
Which organ is responsible for synthesizing atrial natriuretic peptide? -
ANSWER-The heart
Mineralcorticoid is to aldosterone as glucocorticoid is to ____. - ANSWER-
Cortisol
One of the least complicated of the endocrine control systems directly
responds to changing blood levels of ions and nutrients. What is this
mechanism? - ANSWER-Humoral stimulation
The single most important regulator of calcium levels in the blood is ____. -
ANSWER-Parathyroid hormone
Oxytocin _____. - ANSWER-release is an example of a positive feedback
mechanism.
ADH _____. - ANSWER-secretion is inhibited by alcohol
, Which of the following is NOT a category of endocrine gland stimulus? -
ANSWER-enzymatic
Virtually all amino acid-based hormones exert their signaling effects through
intracellular _____. - ANSWER-second messengers
The parathyroid glands respond to which type of stimulus? - ANSWER-humoral
Which hormone is synthesized from cholesterol? - ANSWER-testosterone
Which synthetic hormone can be administered to help someone adjust to a
new time zone? - ANSWER-Melatonin
The major targets of growth hormone are _____. - ANSWER-Bones and skeletal
muscles
Johanna is significantly shorter than normal for her age. Her doctor
recommends hormone treatment before her growth plates ossify in her long
bones. Which hormone is recommended? - ANSWER-Growth hormone
Andrenocorticotropic hormone _____. - ANSWER-secretion is regulated by a
hypothalamic regulatory hormone
Which hormone has only one known effect: to stimulate milk production in the
breasts? - ANSWER-Prolactin
Which anterior pituitary hormone does NOT target another endocrine gland? -
ANSWER-Growth hormone
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