Human Physiology Unit 1 Exam Review A Question Preview (ID: 36069)
BIOL G225.
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Physiology
a) involves discovering cause-effect relationships
b) includes the fields of chemistry and psychology
c) is the study of the physical structure of the body
d) is the most difficult subtopic in the life sciences
a sensor sends information to a(n)
a) integrating center
b) efferent pathway
c) distribution center
d) effector
an integrating center sends information to a(n)
a) effector
b) afferent pathway
c) commisural junction
d) distribution network
the endocrine regulation of blood glucose is an example of
a) negative feedback
b) positive feedback
c) concurrent feedback
d) synergystic effectors
in body temperature homeostasis, sweating and shivering are examples of
a) paired antagonistic effectors
b) sensors
c) integration mechanisms
d) a phenomenal waste of time in the age of climate control
the juxtaglomerular apparatus in the kidney is an example of __________ for blood pressure, while atrial natriuretic hormone acting on the kidney would exemplify an __________.
a) intrinsic homeostatic control / extrinsic homeostatic control
b) autonomic process / somatic process
c) antagonistic effector / synergistic effector
d) negative feedback loop / positive feedback loop
maintaining homeostasis is a
a) dynamic balance process
b) static field process
c) naturally entropic process
d) totally optional activity for living things
which of the following is NOT an example of positive feedback?
a) blood glucose level
b) labor contractions
c) lactation/ suckling
d) blood clotting
which of the following is NOT a primary tissue of the body?
a) osseous
b) connective
c) nervous
d) muscular
which of the following is a characteristic of smooth muscle?
a) found in the tunics of the alimentary canal
b) has extensive branching and intercalated discs
c) has striations
d) lacks ribosomes on its surface
cuboidal epithelial cells have a width that is
a) approximately equal to their height
b) continuous with the basement membrane
c) evenly distributed among the layers
d) a mystery to scientists
the respiratory tract is lined with a single layer of irregularly shaped cells (with goblet cells intercalated) known as
a) ciliated pseudostratified epithelium
b) simple columnar epithelium
c) flagellated transitional epithelium
d) villous stratified squamous epithelium
unlike epithelial tissue, connective tissue has a relatively large amount of ___ that determine its properties
a) extracellular matrix
b) densely packed cells
c) conductive electrolytes
d) surface area
which of the following is NOT a type of connective tissue?
a) neuroglia
b) bone
c) blood
d) areolar
the atomic nucleus does not contain ____, which are negatively charged subatomic particles
a) electrons
b) protons
c) neutrons
d) gluons
an element with 11 each of protons, neutrons, and electrons has an atomic mass of __
a) 22
b) 11
c) 33
d) unable to determine with the information given
isotopes have the same _______ number, but different ____
a) atomic, mass
b) prime, derrivative
c) mass, atomic
d) neutron, charge
an atom that gains or loses an electron becomes a(n) ____, which has a net ____
a) ion, charge
b) isotope, mass
c) isomer, atomic number
d) joke, work
which of the following bonds would be broken most easily (least energy)
a) hydrogen
b) ionic
c) covalent
d) metallic
as the pH of a solution decreases, its _________ concentration _______
a) hydrogen ion, increases
b) hydroxide ion, increases
c) hydrogen ion, decreases
d) negative ion, stays the same
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