Endocrine Flashcards
Antidiuretic hormone (ADH) targets the_________.
kidneys
Glucagon increases blood glucose concentration and insulin decreases it. This is an example of_________.
the antagonistic effect
Growth hormone (GH) hypersecretion causes gigantism when it begins in childhood, but it is more likely to cause_________ when it begins in adulthood.
acromegaly
Hormones serve as intracellular messengers.
True or False
False
Parathyroid hormone promotes which of the following?
- The resorption of calcium from bone
- Increased calcium levels in the urine
- Decreased production of calcitriol (vitamin D) in the kidney
- Decreased absorption of calcium from the small intestine
- Increased osteoblast activity
The resorption of calcium from bone
Testosterone is a gonadotropin.
True or False
False
The anterior pituitary is_________ the posterior pituitary and has_________ connection to the hypothalamus.
larger than; a neuronal
The hormone called_________ plays an important role in synchronizing physiological function with the cycle of daylight and darkness.
melatonin
The hypophyseal portal system connects the_________ with the_________.
anterior pituitary; hypothalamus
The infundibulum is a_________.
projection of the hypothalamus from which the pituitary gland hangs
The posterior pituitary releases_________.
oxytocin (OT)
The zona fasciculata in the adrenal gland secretes_________.
cortisol
The_________ can be found as part of the epithalamus, near the superior colliculi of the midbrain.
pineal
The_________ is not an endocrine gland, but it has a role in endocrine function.
kidney
The_________ secrete(s) a hormone as a response to hypocalcemia.
parathyroid
The_________ secrete(s)_________, which promotes image and water retention.
adrenal cortex; aldosterone
The_________ secretes a hormone that increases the body’s metabolic rate, promotes alertness, quickens reflexes, and stimulates the fetal nervous system.
thyroid gland
The_________ secretes growth hormone, which is also known as somatotropin.
anterior pituitary
The_________ secretes several hormones that stimulate the development of lymphatic organs and regulates development and activity of T cells.
thymus
What is the abbreviation for the hormone also known as vasopressin?
ADH
What makes a cell responsive to a particular hormone?
The presence of a receptor for that particular hormone
Which of the following best describes a hormone?
A chemical messenger transported by the bloodstream that stimulates target cells in another organ often a good distance away.
Which of the following is not a hypothalamic hormone?
Luteinizing hormone (LH)
Which of the following is not an endocrine organ?
Spleen
