Pregunta 1
Pregunta
Which of the following organs has both endocrine and exocrine functions?
Respuesta
-
The adrenal gland
-
The salivary glands
-
The ovary
-
The pineal gland
-
The thymus
Pregunta 2
Pregunta
Diabetes insipidus is caused by __________.
Respuesta
-
epinephrine hypersecretion
-
cortisol hypersecretion
-
aldosterone hypersecretion
-
antidiuretic hormone (ADH) hyposecretion
-
antidiuretic hormone (ADH) hypersecretion
Pregunta 3
Pregunta
Addison disease is a consequence of a tumor of the adrenal medulla.
Pregunta 4
Pregunta
Aspirin and ibuprofen block the __________.
Respuesta
-
release of arachidonic acid from the plasma membrane
-
action of phospholipase A1
-
action of phospholipase A2
-
action of lipoxygenase
-
action of cyclooxygenase
Pregunta 5
Pregunta
The hypophyseal portal system connects the _________ with the _________.
Respuesta
-
anterior pituitary; hypothalamus
-
posterior pituitary; hypothalamus
-
anterior pituitary; posterior pituitary
-
hypothalamus; thyroid
-
pituitary glands; thyroid
Pregunta 6
Pregunta
Eicosanoids are derived from steroids.
Pregunta 7
Pregunta
Which of the following effects on a gland can be caused by a tumor?
Pregunta 8
Pregunta
The __________ secrete(s) __________, which promotes Na+ and water retention.
Pregunta 9
Pregunta
Which of the following is true regarding endocrine glands?
Respuesta
-
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 release their secretions into the blood.
-
They have an unusually low density of blood capillaries.
-
Their secretions may be released onto the body surface.
Pregunta 10
Pregunta
Which of the following statements about diabetes mellitus is false?
Respuesta
-
The body produces autoantibodies that destroy the pancreatic beta cells in type I DM.
-
Target cells are unresponsive to insulin in type II DM.
-
Both type I and type II DM are characterized by lack of, or low levels of, insulin.
-
Diabetic neuropathy is a common long term effect of DM.
-
Type II DM is more common than type I DM.
Pregunta 11
Pregunta
Both the thymus and the pineal gland shrink after childhood.
Pregunta 12
Pregunta
Eicosanoids are derived from __________.
Respuesta
-
arachidonic acid
-
leukotriene
-
prostacyclin
-
prostaglandins
-
thromboxanes
Pregunta 13
Pregunta
Which of the following is not secreted by the pancreas?
Pregunta 14
Pregunta
Which of the following is the correct abbreviation for the hormone that stimulates the anterior pituitary to secrete ACTH?
Pregunta 15
Pregunta
The __________ secretes several hormones that stimulate the development of lymphatic organs and regulates development and activity of T cells (white blood cells).
Respuesta
-
thyroid
-
thymus
-
adrenal gland
-
spleen
-
parathyroid
Pregunta 16
Pregunta
Many effects of growth hormone are mediated by insulin-like growth factors (IGFs) secreted by the pancreas.
Pregunta 17
Pregunta
Peptide hormones are synthesized by cytoplasmic ribosomes as active enzymes.
Pregunta 18
Pregunta
Which of the following is not a hypothalamic hormone?
Respuesta
-
Antidiuretic hormone (ADH)
-
Luteinizing hormone (LH)
-
Thyrotropin releasing hormone (TRH)
-
Somatostatin
-
Prolactin-inhibiting hormone (PIH)
Pregunta 19
Pregunta
The _________ secretes growth hormone, which is also known as somatotropin.
Respuesta
-
posterior pituitary
-
anterior pituitary
-
hypothalamus
-
thyroid
-
thymus
Pregunta 20
Pregunta
Cholesterol is essential for the synthesis of steroid hormones.
Pregunta 21
Pregunta
Testosterone is a gonadotropin.
Pregunta 22
Pregunta
Antidiuretic hormone (ADH) targets the __________.
Respuesta
-
kidneys
-
adrenal gland
-
anterior pituitary
-
hypothalamus
-
pancreas
Pregunta 23
Pregunta
Negative feedback inhibition occurs when __________.
Respuesta
-
thyrotropin-releasing hormone (TRH) targets the anterior pituitary
-
thyrotropin-releasing hormone (TRH) causes the anterior pituitary to release thyroid-stimulating hormone (TSH)
-
thyrotropin-releasing hormone (TRH) targets the thyroid gland
-
thyroid-stimulating hormone (TSH) targets the thyroid gland
-
thyroid hormone (TH) targets the anterior pituitary
Pregunta 24
Pregunta
Which of these hormones does not stimulate the release of another hormone by its target cells?
Pregunta 25
Pregunta
Myxedema is characterized by low metabolic rate, sluggishness, and sleepiness.