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Human Physiology Unit 1 Exam Review A
Test Description: BIOL G225
Instructions: Answer all questions to get your test result.
1) Physiology
A
is the most difficult subtopic in the life sciences
B
includes the fields of chemistry and psychology
C
involves discovering cause-effect relationships
D
is the study of the physical structure of the body
2) a sensor sends information to a(n)
A
integrating center
B
efferent pathway
C
effector
D
distribution center
3) an integrating center sends information to a(n)
A
distribution network
B
effector
C
afferent pathway
D
commisural junction
4) the endocrine regulation of blood glucose is an example of
A
concurrent feedback
B
synergystic effectors
C
positive feedback
D
negative feedback
5) in body temperature homeostasis, sweating and shivering are examples of
A
a phenomenal waste of time in the age of climate control
B
paired antagonistic effectors
C
integration mechanisms
D
sensors
6) 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
antagonistic effector / synergistic effector
B
negative feedback loop / positive feedback loop
C
autonomic process / somatic process
D
intrinsic homeostatic control / extrinsic homeostatic control
7) maintaining homeostasis is a
A
naturally entropic process
B
totally optional activity for living things
C
dynamic balance process
D
static field process
8) which of the following is NOT an example of positive feedback?
A
blood clotting
B
labor contractions
C
blood glucose level
D
lactation/ suckling
9) which of the following is NOT a primary tissue of the body?
A
connective
B
muscular
C
nervous
D
osseous
10) which of the following is a characteristic of smooth muscle?
A
lacks ribosomes on its surface
B
has extensive branching and intercalated discs
C
has striations
D
found in the tunics of the alimentary canal
11) cuboidal epithelial cells have a width that is
A
approximately equal to their height
B
continuous with the basement membrane
C
a mystery to scientists
D
evenly distributed among the layers
12) the respiratory tract is lined with a single layer of irregularly shaped cells (with goblet cells intercalated) known as
A
villous stratified squamous epithelium
B
flagellated transitional epithelium
C
ciliated pseudostratified epithelium
D
simple columnar epithelium
13) unlike epithelial tissue, connective tissue has a relatively large amount of ___ that determine its properties
A
conductive electrolytes
B
densely packed cells
C
extracellular matrix
D
surface area
14) which of the following is NOT a type of connective tissue?
A
blood
B
areolar
C
neuroglia
D
bone
15) the atomic nucleus does not contain ____, which are negatively charged subatomic particles
A
electrons
B
gluons
C
neutrons
D
protons
16) an element with 11 each of protons, neutrons, and electrons has an atomic mass of __
A
unable to determine with the information given
B
22
C
11
D
33
17) isotopes have the same _______ number, but different ____
A
mass, atomic
B
atomic, mass
C
neutron, charge
D
prime, derrivative
18) an atom that gains or loses an electron becomes a(n) ____, which has a net ____
A
ion, charge
B
joke, work
C
isomer, atomic number
D
isotope, mass
19) which of the following bonds would be broken most easily (least energy)
A
hydrogen
B
covalent
C
ionic
D
metallic
20) as the pH of a solution decreases, its _________ concentration _______
A
hydroxide ion, increases
B
hydrogen ion, decreases
C
hydrogen ion, increases
D
negative ion, stays the same
*select an answer for all questions
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