Most homeostatic control mechanisms are negative feedback mechanisms.
Indicate whether the statement is true or false
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Question 2) Which of the following is the measure of the percentage of formed elements in the blood?
A) platelets
B) hemoglobin concentration
C) hematocrit
D) anemia
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Question 3) Responsiveness, or irritability, is the major responsibility of the skeletal system.
Indicate whether the statement is true or false
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Question 4) A patient is shown to have very low levels of thyroid hormones. The body will respond by elevating which hormone?
A) growth hormone
B) adrenocorticotropic hormone
C) prolactin
D) thyroid-stimulating hormone
(
Question 5) The cardiovascular system delivers oxygen, nutrients, hormones, and other substances to, and picks up wastes such as carbon dioxide from, cells near sites of exchange.
Indicate whether the statement is true or false
(
Question 6) Which type of pancreatic cell produces somatostatin?
A) beta cells
B) F cells
C) alpha cells
D) delta cells
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Question 7) The adrenals, pancreas, thyroid, and parathyroids are glands of the endocrine system.
Indicate whether the statement is true or false
(
Question 8) The production of what hormone is influenced by parathyroid hormone?
A) calcitriol
B) triiodothyronine
C) thyroxine
D) luteinizing hormone
(
Question 9) Tissues are made up of different types of organs.
Indicate whether the statement is true or false
(
Question 10) A young child was brought to the hospital with multiple bone breaks. It is determined that the child's osteoclasts are overactive. Which hormone is most likely to be elevated?
A) natriuretic peptide
B) thyroxine
C) calcitonin
D) parathyroid hormone
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