Connect Ch. 18 Flashcards
Which of the following is not a hormone?
Prolactin
Thymosin
Iodine
Natriuretic peptide
Insulin-like growth factor
Iodine
What makes a cell a target of a particular hormone?
The chemical properties of the hormone
The presence of a receptor for that particular hormone
The location of the gland that secretes the hormone
The location of the target cell in the body
The site where the hormone is secreted
The presence of a receptor for that particular hormone
Which of the following glands has more exocrine than endocrine tissue?
The pancreas
The adenohypophysis
The thyroid gland
The pineal gland
The adrenal gland
The pancreas
Which of the following statements is true regarding the infundibulum?
The infundibulum is a mass of endocrine and neural cells.
The infundibulum is a portal system between the hypothalamus and the pituitary gland.
The infundibulum is a bulky nucleus composed of the paraventricular nucleus and the supraoptic nucleus.
The infundibulum is a depression of the sphenoid bone that protects the pituitary gland.
The infundibulum is a projection of the posterior pituitary that connects it to the hypothalamus.
The infundibulum is a projection of the posterior pituitary that connects it to the hypothalamus.
Which hormone would no longer be secreted if the hypothalamo-hypophysial tract were destroyed?
Oxytocin
Follicle-stimulating hormone
Growth hormone
Adrenocorticotropic hormone
Corticosterone
Oxytocin
What does parathyroid hormone play an important role in?
Raising blood calcium
Increasing sodium secretion
Assisting T-cell maturation
Setting the circadian rhythm
Raising blood calcium
Sex hormones, glucocorticoids, and mineralocorticoids all belong to the family of hormones called __________.
corticosteroids
neuropeptides
proteoglycans
prostaglandins
corticosteroids
Adipocytes secrete the hormone __________, which signals the brain and helps to regulate the appetite.
Leptin
The heart secretes two hormones called __________ peptides that increase the urinary output of sodium and water.
Natriuretic Peptides
Which of these glands develops from the pharyngeal pouches?
The anterior pituitary
The posterior pituitary
The thyroid gland
The thymus
The adrenal gland
The thymus
The __________ pituitary develops from the hypophysial pouch of the embryo.
Anterior
Diabetes insipidus is caused by __________.
epinephrine hypersecretion
cortisol hypersecretion
aldosterone hypersecretion
antidiuretic hormone (ADH) hyposecretion
antidiuretic hormone (ADH) hypersecretion
antidiuretic hormone (ADH) hyposecretion
Which of the following cannot cause Cushing syndrome?
ACTH hypersecretion by the pituitary
ACTH-secreting tumors
Hyperactivity of the adrenal cortex
Hyperactivity of the adrenal medulla
Excess cortisol secretion
Hyperactivity of the adrenal medulla
Growth hormone (GH) hypersecretion causes gigantism when it begins in childhood, but it is more likely to cause ________ when it begins in adulthood.
myxedema
Graves disease
Cushing syndrome
goiter
acromegaly
acromegaly
Which of the following endocrine glands is inferior in location to the rest?
The adrenal gland
The pineal body
The pituitary gland
The thyroid
The thymus
The adrenal gland
Which of the following is true regarding endocrine glands?
Their secretions may be released onto the body surface.
They release their secretions into the blood.
They secrete substances that do not alter the metabolism of their target cells, but have extracellular effects.
They secrete their products by way of ducts.
They have an unusually low density of blood capillaries.
They release their secretions into the blood.
Which statement is incorrect?
Hormones may have widespread, distant effects on the body.
The effect of hormones is shorter than the effect of nerve impulses.
A common second-messenger is cyclic AMP.
Steroid hormones are carried in the blood by transport proteins.
Endocrine glands lack ducts.
The effect of hormones is shorter than the effect of nerve impulses.
What makes a cell responsive to a particular hormone?
The site where the hormone is secreted
The location of the target cells in the body
The presence of a receptor for that particular hormone
The location of the gland that secretes the hormone
The chemical properties of the hormone
The presence of a receptor for that particular hormone
The posterior pituitary releases _________.
growth hormone (GH)
oxytocin (OT)
thyroid hormone (TH)
prolactin (PRL)
adrenocorticotropic hormone (ACTH)
oxytocin (OT)
What is the target organ of corticotropin-releasing hormone?
The gonads
The adrenal cortex
The thyroid gland
The posterior pituitary
The anterior pituitary
The anterior pituitary
Which of the following hormones passes through the hypothalamo-hypophysial tract?
Thyroid-stimulating hormone
Luteinizing hormone
Prolactin-inhibiting hormone
Adrenocorticotropic hormone
Antidiuretic hormone
Antidiuretic hormone
The _________ secretes growth hormone, which is also known as somatotropin.
thymus
posterior pituitary
hypothalamus
anterior pituitary
thyroid
anterior pituitary
Which of the following is the correct abbreviation for the hormone that stimulates the anterior pituitary to secrete ACTH?
GHIH
TRH
CRH
GHRH
APRH
CRH
Which of the following is not a hypothalamic hormone?
Prolactin-inhibiting hormone (PIH)
Antidiuretic hormone (ADH)
Thyrotropin releasing hormone (TRH)
Luteinizing hormone (LH)
Somatostatin
Luteinizing hormone (LH)