Endocrine

What is the most important regulatory factor controlling the circulating levels of thyroid hormone?

negative feedback

Which gland secretes the most important hormone controlling calcium balance in the blood?

parathyroid

Which of the following occurs in situations where different hormones produce the same effects at the same target cell and their combined effects are amplified?

synergism

Which of the following is not a step in thyroxine (T4) production?

the diffusion of iodide from blood plasma into the follicular cell

What tropic hormone stimulates cortisol from the adrenal gland?

ACTH

What hormone also aids the stress response by promoting water retention and acting as a vasoconstrictor?

ADH (vasopressin)

Choose which condition has all of the following symptoms: hypertension, hyperglycemia and a "moon face"

Cushing's disease

You may predict that iodized salt may be effective in preventing all EXCEPT which of the following?

Graves disease

What determines wether a particular cell is able to respond to a hormone?

The presence of a specific hormone receptor

Which of the following statements is true of amino acid based hormones?

They require a receptor in the plasma membrane.

What is the primary function of hormones?

act as chemical messengers that regulate the metabolic function of cells in the body

Which of the following is not an endocrine gland?

adenoid

What is the function of the ventral hypothalamic neurons?

control secretion of thyroid stimulating hormone (TSH)

In response to stress, which of the following changes would happen?

decreased insulin secretion

Which of the following is not a major type of stimulus that triggers endocrine glands to manufacture and release hormones?

enzymatic

Which of the following hormones is a part of the rapid response to stress?

epinephrine

Which of the following hormones has significantly different effects when it is released in males instead of females?

follicle-stimulating hormone

Which of the following are symptoms of pheochromocytoma?

heart palpitations

Low blood glucose concentration and high blood potassium concentration are examples of _____ stimuli for an endocrine gland

humoral

Where is antidiuretic hormone (ADH), also known as vasopressin, synthesized?

hypothalamus

Upon landing at the airport in Lagos, Nigeria, Eric feels wide awake even though the local time is 11pm. Which synthetic hormone supplement could he administer to help adjust to the new time zone?

melatonin

Which of the following hormones is regulated by a neuronendocrine reflex?

Oxytocin