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