The chemical messengers of the endocrine system are known as:
A) effectors
B) target cells
C) hormones
D) neurons
E) stimuli
Answer: C
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Biology Chapter 9
- Which hormone works with estrogen to bring about the menstrual cycle:
- The secondary sex characteristics brought about by testosterone secretion do NOT include:
- The cells in the testes that produce testosterone are called:
- Which one of the following hormones is NOT produced by the anterior lobe of the pituitary gland:
- Which of these hormones does NOT play a role in reproduction:
- Estrogens do all of the following EXCEPT:
- The hormone responsible for the maturation of white blood cells known as T lymphocytes is:
- The hormone that appears to help regulate our sleep-awake cycles is:
- The pineal gland produces
- Which one of the following is NOT a sign of diabetes mellitus:
- Insulin causes:
- Insulin works as an antagonist to:
- Insulin is produced by cells of the pancreatic islets called:
- Which one of the following is NOT an action of the catecholamines:
- The "fight-or-flight" response triggers the release of:
- Which one of the following is NOT a symptom of Cushing's syndrome:
- Glucocorticoids do all of the following EXCEPT:
- The enzyme produced by the kidneys when blood pressure drops, stimulating a release of aldosterone, is called:
- Tetany resulting from uncontrolled muscle spasms may indicate a malfunction of the:
- Rising blood levels of aldosterone cause the kidney tubules to:
- Which of these hormones is released by the adrenal medulla:
- Which one of the following is NOT produced by the adrenal cortex:
- Which of these hormones regulate calcium levels in the body:
- Hyposecretion of thyroxine in early childhood leads to:
- The element necessary in the diet for proper thyroid function is: