BIO 169 Final Exam (compiled) Questions With Correct Answers
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Course
BIO 169
Institution
BIO 169
BIO 169 Final Exam (compiled) Questions
With Correct Answers
Give an example of a water-soluble hormone - answerOxytocin
give an example of a lipid-soluble hormone - answertestosterone
adenylate cyclase produces the second messenger _____, when the G-Protein has _______ and is
bound to it. - a...
BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
BIO 169 Final Exam (compiled) Questions
With Correct Answers
Give an example of a water-soluble hormone - answer✔✔Oxytocin
give an example of a lipid-soluble hormone - answer✔✔testosterone
adenylate cyclase produces the second messenger _____, when the G-Protein has _______ and is
bound to it. - answer✔✔cAMP, GTP
TRUE / FALSE The hypothalamus directly controls the pituitary gland? - answer✔✔True
The Posterior lobe is considered to be part of the (nervous or endocrine) system -
answer✔✔Nervous
Corpus Luteum - answer✔✔If fertilization doesn't occur, corpus luteum degenerates and the
endometrium disintegrates leading to menstruation. The main function of the corpus luteum is to
maintain the endometrium for implantation and pregnancy.
Nurse Cell - answer✔✔Secrete Inhibin
Adrenal Cortex: Zona Glomerulosa secretes: - answer✔✔Aldosterone
Parathyroid Glands secrete - answer✔✔PTH (parathyroid hormone)
In response to excessive amounts of hormone, a target cell may reduce its number of receptors
for that hormone. This is an example of ________. - answer✔✔Down Regulation
Cortisol (corticosterone) is released after _______ binds to the receptors on the zona fasciculata.
- answer✔✔ACTH (Adrenocorticotropic hormone)
When eicosanoids bring about cellular changes within the same cell from which they were
formed the process is called _________ stimulation. - answer✔✔Autocrine
T/F Steriods, peptides, and nucleic acids are the three classes of hormones. - answer✔✔False
T/F Both males and females have accessory reproductive organs including ducts through which
gametes are carried. - answer✔✔True
T/F Production of new primary oocytes by mitosis continues throughout a woman's life. -
answer✔✔False
T/F The pancreas has both endocrine and exocrine functions. - answer✔✔True
Excessive secretion (also called hypersecretion) of growth hormone in adults can cause: -
answer✔✔Acromegaly (rare condition where the body produces too much growth hormone,
causing body tissues and bones to grow more quickly)
This hormone that increases the rate of glycogen breakdown and glucose release by the liver: -
answer✔✔Glucagon
The hormones that come from the posterior pituitary: - answer✔✔Synthesized in the
hypothalamus and are released from the posterior pituitary when nerve signals arrive.
Glucagon and insulin work ________ on blood glucose levels. - answer✔✔Antagonistically
The half-life of a hormone is - answer✔✔The time necessary to reduce the hormone
concentration in the blood to half of what had been secreted.
Hormones from the adrenal cortex that regulate electrolyte (Na+ , K+) balance are -
answer✔✔Mineralocorticoids
A structure known as the corpus luteum secretes - answer✔✔progesterone
Compared to the nervous system, the endocrine system has - answer✔✔More widespread and
long-lasting effects
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