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Phys Exam 3 HW 8 Phys Exam 3 HW 8 Phys Exam 3 HW 8
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Phys Exam 3 HW 8What are the two most important systems of the body - ANS Endocrine system and nervous system
Which of the following are true statements? (select all)
a) Ducts transport hormones from the endocrine glands to the blood.
b) Endocrine glands must be close to the target cells on which they exert effects.
c) A target cell has receptors for specific hormones.
d) Endocrine glands secrete hormones into the blood. - ANS C & D
Which of the following brain structures is part of the endocrine system?
a) Thalamus
b) Hypothalamus
c) Medulla oblongata
d) Somatosensory cortex
e) Cerebellum - ANS B
Which of the following are the major chemical classes of hormones?
(select all)
a) Amines
b) Glycolipids
c) Carbohydrates
d) Peptides and proteins
e) Steroids - ANS A, D, E
,Hormones that are derived from tyrosine are classified as ______.
a) tyrannical
b) amines
c) polypeptides
d) glycoproteins
e) steroids - ANS B
The adrenal ___1___ is responsible for secreting glucocorticoids and mineralocorticoids, while the
adrenal ___2___ secretes catecholamines such as epinephrine. - ANS 1. cortex
2. medulla
Which of these statements are true regarding the endocrine system?
(select all)
a) The endocrine system does not include organs that are components of other organ systems.
b) The heart can function as an endocrine organ.
c) The region of the brain known as the hypothalamus is part of the endocrine system.
d) Although they are not anatomically connected, endocrine organs make up a functional system.
e) Like most organ systems, all components of the endocrine system are anatomically connected to each
other. - ANS B, C, D
The hormones secreted by the adrenal medulla that mimic the effects of the sympathetic nervous
system are ______ and ______ - ANS Epinephrine and norepinephrine
Which endocrine organ is located in the neck?
a) Hypothalamus
b) Parathyroid gland
c) Pineal gland
, d) Pituitary gland - ANS B
The hormones with chemical composition composed of chains of amino acids are referred to as __1___
hormones (short chains) or ____2__ hormones (long chains). - ANS 1. peptides
2. proteins
There are two major structural classes of hormones.
a) True
b) False - ANS B
there are 3
A physiologically inactive precursor of a hormone is called a(n) _____ - ANS preprohormone
Steroid hormones are primarily produced by the adrenal cortex, the __1__ (testes and ovaries), and the
__2__ during pregnancy. - ANS 1. gonads
2. placenta
Which endocrine gland has a cortex and medulla?
a) Thyroid gland
b) Pancreas
c) Adrenal gland
d) Pineal gland
e) Pituitary gland - ANS C
Which of the following are examples of steroid hormones?
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