IS.9781711494050
which describes the study of the functions of body structures?
a. anatomy
b. physiology
c. endocrinology
d. histology
e. immunology - answers-b. physiology
a group of cells that work together to perform a particular function is a(n)
a. tissue
b. organ
c. molecules
d. compounds
e. organism - answers-a. tissue
what process occurs when amino acids build new proteins (select all that apply):
a. metabolism
b. anabolism
c. catabolism
d. responsiveness
e. differentiation - answers-a. metabolism &
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,b. anabolism
how are reproduction, differentiation, & growth related? - answers-reproduction occurs
through the fertilization of an ovum by a sperm cell to form a zygote, followed by repeated cell
divisions & the differentiation of these cells. growth is an increase in body size that results from
an increase in the size of existing cells, an increase, in the number of cells, or both.
the two organ systems that predominantly regulate & maintain homeostasis are the
a. cardiovascular & integumentary systems
b. nervous & endocrine systems
c. cardiovascular & respiratory systems
d. respiratory & muscular systems
e. urinary & integumentary systems - answers-b. nervous & endocrine systems
which body fluid fills the narrow spaces between cells & tissues?
a. lymph
b. blood plasma
c. interstitial fluid
e. vitreous body - answers-c. interstitial fluid
describe the differences between positive & negative feedback systems - answers-a positive
feedback system will strengthen or reinforce a change in one of the bodies controlled
conditions while a negative feedback system will reverse a change in a controlled condition
hormonal or electrical signals are sent from the control center to the
a. receptors
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, b. stimulus
c. afferent pathway
d. effectors
e. efferent pathway - answers-d. effectors
a component that detects decreasing oxygen concentrations in blood would be the
a. receptor
b. muscle
c. response
d. effector - answers-a. receptor
if blood concentrations of thyroid hormones increase above a certain level, thyroid releasing
hormone (TRH) neurons in the hypothalamus are inhibited & stop secreting TRH. this is an
example of:
a. negative feedback
b. positive feedback - answers-a. negative feedback
cardiomyopathy worsens as the heart weakens. swelling in the legs occurs & is classified as a
(select all that apply):
a. symptom
b. disorder
c. disturbance
d. disease
e. sign - answers-b. disorder &
c. disturbance &
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