Chapter 18 (part 2)

Question 1

simple reflex..

Answer 1

uses one hormone

Question 2

complex reflex..

Answer 2

uses two or more hormones

Question 3

hypothalamus

Answer 3

an endocrine organ that secretes releasing and inhibiting hormones, controls the adrenal medullae

Question 4

anterior lobe (adenohypophysis)

Answer 4

glandular tissue that release 7 hormones directly into the blood

Question 5

posterior lobe (neurohypophysis)

Answer 5

neurological tissue, 2 hormones made in the hypothalamus and stored.

Question 6

what produces regulatory hormones called releasing hormones (RH) and inhibiting hormones (IH) that directly influences the adenohypophysis

Answer 6

hypothalamus

Question 7

what produces oxytocin and antidiurerteic hormone (ADH) vis neurosecretion and stores them in the neurohypophysis?

Answer 7

hypothalamus

Question 8

what is the two capillary bed system?

Answer 8

allows a small amount of regulatory hormones from hypothalamus neurons to flow down to the hormone produces cells (trophies) waiting in the second bed of the a.p.

Question 9

what are releasing hormones?

Answer 9

causes trophs to make and secrete a stimulating hormone

Question 10

what are inhibiting hormone?

Answer 10

stops trophs from making and secreting any hormones

Question 11

what is vasoconstriction

Answer 11

constricts arteries and maintains BP during dehydration or hemorrhage

Question 12

what is another name for ADH

Answer 12

vasopressin

Question 13

calcitonin puts the __; parathyroid takes__

Answer 13

bones

it out

Question 14

what is hyperthyroidism?

Answer 14

abnormally high thyroid hormone levels causing abnormally slow metabolic rate

Question 15

what is hypothyroidism?

Answer 15

abnormally low thyroid hormone levels cause abnormally slow metabolic rate

Question 16

thyroid gland secretions influence..

Answer 16

• metabolic rate
• protein synthesis
• Ca++ balance

Question 17

calcitonin from thyroid gland….and parathyroid hormone from parathyroid gland..

Answer 17

lowers blood Ca+

raises blood Ca+

Question 18

what is the normal blood calcium levels?

Answer 18

9-11mg/100ml

Question 19

what hormones are produced within the 3 zones of the cortex of the adrenal gland?

Answer 19

androgens, cortisol, and aldosterone

Question 20

where is the medulla of the adrenal gland and what is produced here?

Answer 20

it is the central portion and epinephrine and norepinephrine are produced within the medulla

Question 21

adrenaline/ noradrenaline

Answer 21

epinephrine and norepinephrine

Question 22

salt
sugar
sex

Answer 22

mineral=aldosterone
glucose=cortisol
gonad=androgens

Question 23

aldosterone

Answer 23

keeps salts in and kicks out potassium and raise BP

Question 24

ANF does what?

Answer 24

a hormone secreted by the heart to lower BP by kicking salt out of the body