BIO 169 Exam 1; Questions & Answers 100%
Correct
What type of hormone can cross the plasma membrane to bind to a receptor in the cytosol or
nucleus? Correct answer-Hydrophobic hormones
ADH (antidiuretic hormone) is secreted in response to: Correct answer-Increased solute
concentration of th...
BIO 169 Exam 1; Questions & Answers 100%
Correct
What type of hormone can cross the plasma membrane to bind to a receptor in the cytosol or
nucleus? Correct answer-Hydrophobic hormones
ADH (antidiuretic hormone) is secreted in response to: Correct answer-Increased solute
concentration of the body fluids
What is the function of thymosin? Correct answer-Development and maturation of the
immune system
Blood chemistry changes are examples of _____ stimuli, whereas sympathetic nervous system
impulses are examples of _____ stimuli for hormone release. Correct answer-Humoral;
neural
Which of the following statements concerning the pancreas is true? Correct answer-Both
glucagon and insulin are produced in the islets of Langerhans
Upon binding to a receptor to form a hormone-receptor complex, steroid hormones may cause:
Correct answer-An increase in protein synthesis
, BIO 169 Exam 1; Questions & Answers 100%
Correct
Up-regulation: Correct answer-Produces an increase in the sensitivity of the target cell by
adding more receptors
This hormone is secreted when blood calcium levels become elevated: Correct answer-
Calcitonin
All of the following are characteristics of hormones except: Correct answer-Hormones
intereact with any cells in contact with bloodstream
High blood glucose levels can cause an increased secretion of: Correct answer-Insulin
Parathyroid hormone is released when blood calcium levels decrease. This is an example of
control by _____ stimuli. Correct answer-Humoral
What is the response to an increase in thyroid-releasing hormone (TRH)? Correct answer-
Increase in thyroid-stimulating hormone (TSH) production
Removal of the anterior pituitary would affect the functioning of the: Correct answer-
Thyroid gland
The half-life of a hormone allows one to determine: Correct answer-The rate at which
hormones are eliminated from the body
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