quiz on CH 16

Question 1

Which of the following is NOT a major endocrine organ, but produces hormones in addition to its major function?

thymus
pituitary
pancreas
kidneys

Answer 1

Kidneys

Question 2

Steroid hormones influence cellular activities by __________.

A. using calcium ions as a second messenger
B. binding to DNA and forming a gene-hormone complex
C, activating cyclic AMP located inside the cell
D. activating cyclic AMP located outside the cell
E. activating G proteins

Answer 2

B. Binding to DNA and forming a gene hormone complex

Question 3

Sympathetic nerve stimuli are responsible for the release of __________.

Answer 3

epinephrine

Question 4

The chemical classification of hormones does NOT include __________.

Answer 4

glucose containing hormones

Question 5

The metabolic rate of most body tissues is controlled directly by __________.

Answer 5

TH

Question 6

The secretion of parathyroid hormone is a good example of __________

Answer 6

Humoral Stimuli

Question 7

The stimulus for producing insulin is __________.

Answer 7

High blood glucose concentration

Question 8

The transcription of new messenger RNA is a function of __________.

Answer 8

Steroid Hormones

Question 9

Which of the following elements is required for the synthesis of thyroid hormone?

Answer 9

Iodine

Question 10

The hypophyseal portal system transports releasing and inhibiting hormones from the hypothalamus to the __________.

Answer 10

anterior pituitary gland (adenohypophysis).

Question 11

Which of the following signals would affect local cells by releasing chemicals into the extracellular fluid?

Answer 11

Paracrine

Question 12

Which of the following is the property in which a hormone CANNOT exhibit its full effect without another hormone?

Answer 12

Permissiveness

Question 13

Which of the following is NOT synthesized in the pituitary gland?

  	LH
  	ADH
  	FSH
  	PRL
  	TSH

Answer 13

ADH

Question 14

Which of the following organs is considered a neuroendocrine organ?

pituitary
hypothalamus
adrenal cortex
pancreas

Answer 14

Hypothalamus

Question 15

Eicosanoids are not true hormones because they __________.

Answer 15

Act locally

Question 16

How do protein kinases affect enzymes?

Answer 16

They add a phosphate group

Question 17

The “hormone response element” is located on the cell __________.

Answer 17

DNA

Question 18

The binding of a steroid hormone to its receptor would lead to the __________.

Answer 18

transcription of the DNA for the gene that is “turned on” by this event

Question 19

Water-soluble hormones exhibit the shortest __________.

Answer 19

half-life

Question 20

The normal endocrine controls can be directly overridden by the __________ system.

Answer 20

Nervous

Question 21

Pro-opiomelanocortin (POMC) is a prohormone for __________.

Answer 21

ACTH

Question 22

Excess growth hormone would cause all the following EXCEPT __________.

Answer 22

Suppression of cancer

Question 23

Hypersecretion of antidiuretic hormone (ADH) can occur in all of the following situations EXCEPT __________.

Answer 23

Damage to the pineal gland

Question 24

Iodination of thyroid hormones is mediated by __________.

Answer 24

peroxidase enzymes

Question 25

A congenital condition that includes mental retardation, short disproportional body size, and a thick tongue and neck is caused by __________.

Answer 25

deficiency of thyroxin.

Question 26

Osteitis fibrosa cystica is caused by __________.

Answer 26

an increase in the parathyroid hormone

Question 27

Insulin enhances the membrane transport of glucose in all of the following tissues EXCEPT __________

Answer 27

the brain

Question 28

Resistin, an insulin antagonist, is a hormone produced by the __________.

Answer 28

Adipose tissue

Question 29

Which of the following hormones does the skin produce?

Answer 29

cholecalciferol

Question 30

Somatostatin secreted by the pancreas is considered paracrine because it acts on __________.

Answer 30

cells other than those that secrete it