Chapter 17

Which of the following statements about the thyroid gland is true

"all of the above" anterior to the trachea & inferior to larynx

How many hormones are produced by the posterior pituitary

0

A small molecule binds to a G protein, preventing its activation. What direct effect will this have on signaling that involved cAMP

Adenylyl cylase will not be activated

Which of the following hormones contributes to the regulation of the body's fluid and electrolyte balance

Antiduretie hormone

Which of the following is an anterior pituitary hormone

TSH

The secretion of thyroid hormones is controlled by

TSH from the anterior pituitary gland

Iodide ions cross from the bloodstream into follicle cells via

active transport

The walls of the atria produce which hormone

atrial natriuretic peptide

Athletes may take synthetic EPO to boost their

blood oxygen levels

What secretory cell type is found in the adrenal medulla

chromatin cells

In the elderly, decreased thyroid function causes

decreased basal metabolic rate

Hormones produced by the thymus play a role in the

development of "T" cells

The development of a goiter indicates that

excessive accumulation of colloid in thyroid follicles

the production of melatonin is inhibited by

exposure to bright light

Which of the following can result from hyperparathyroidism

fractures

If an autoimmune disorder targets the alpha cells, production of which hormone would be directly affected?

glucagon

Cushing's diseases is a disorder caused by

high levels of cortisol

The end result of the RAAS is to

increase blood pressure

The production of FSH by the anterior pituitary is reduced by which hormone?

inhibin

Which of the following statements is true about insulin

insulin facilities the movement of intracellular glucose transporters to the cell membrane

The adrenal glands are attached superiorly to which organ

kidneys

The hypothalamus is functionally and anatomically connected to the posterior pituitary lobe by a bridge of

nerve axons

A student is in a car accident, and although not hurt, immediately experiences pupil dilation, increased heart rate, and rapid breathing. What type of endocrine system stimulus did the student receive?

neural feedback

The anterior pituitary gland develops from which embryonic germ layer

oral ectoderm

Chemical signaling that affects neighboring is called

paracrine

What cells secrete melatonin

pinealocytes

the function of the placement hormone human placental lactose (hPL) is to

prepare the breasts for lactation

Which of the following responses is not part of the flight-or-fight response

pupil dilation, increased oxygen to lungs, suppressed digestion

Endocrine glands

secrete chemical messengers that travel through the bloodstream

The gonads produce what class of hormones

steroid hormones

When blood calcium levels are low, PTH stimulates

the activity of osteoclasts

A newly developed pesticide has been observed to bind to an intracellular hormone receptor. If ingested, residue from this pesticide could disrupt levels of ....

thyroid hormone