Exam 43: Control of Animal Processes: Endocrine Control

Suppose that hormone A binds to intracellular receptors in its target tissue. Also suppose that as a result of hormone A, the target tissue is now sensitive to or responsive to hormone B. What was the action of hormone A?

Which of the following occurs when the moult-inhibiting hormone is prevented from being secreted?

Match each concept with the most appropriate description. -prostaglandins

Select a term or phrase from the numbered list to correspond to each labelled endocrine gland in the illustration. The terms and phrases in the numbered list may be used more than once. -a portion of this gland reinforces the sympathetic nervous system in responding to stress

What term refers to the joint actions of insulin and glucagon?

Which hormones does the hypothalamus produce, and which specific pituitary gland is affected?

If a hormone caused an increase in protein kinase activity, predict the type of hormone responsible and the intracellular signalling mechanism of its action.

Select a term or phrase from the numbered list to correspond to each labelled endocrine gland in the illustration. The terms and phrases in the numbered list may be used more than once. -site of release of oxytocin

Which hormone of the anterior pituitary gland has a generalized effect, and has receptors on almost every cell in the body?

Explain negative feedback control using thyroid hormones as an example.

Match each concept with the most appropriate description. -amplification

Match each concept with the most appropriate description. -thyroxine

Select a term or phrase from the numbered list to correspond to each labelled endocrine gland in the illustration. The terms and phrases in the numbered list may be used more than once. -production site of hormone involved in milk production

Select a term or phrase from the numbered list to correspond to each labelled endocrine gland in the illustration. The terms and phrases in the numbered list may be used more than once. -gland that controls biological rhythms

Which of the following affects blood glucose levels?

A hormone is hydrophobic and binds to membrane receptors. What type of molecule is this hormone most likely to be?

Which of the following affects the pituitary gland most directly?

Small quantities of hormones can typically produce profound effects in cells and body functions due to magnification.

Which sequence presents hormone action in the correct order?

Suppose that your job is to determine if a steroid hormone is having an effect on its target tissue. What would be an indication of activation of the target tissue by the hormone in question?