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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
includes the fields of chemistry and psychology
B
involves discovering cause-effect relationships
C
is the study of the physical structure of the body
D
is the most difficult subtopic in the life sciences
2) a sensor sends information to a(n)
A
effector
B
distribution center
C
efferent pathway
D
integrating center
3) an integrating center sends information to a(n)
A
commisural junction
B
distribution network
C
effector
D
afferent pathway
4) the endocrine regulation of blood glucose is an example of
A
concurrent feedback
B
negative feedback
C
positive feedback
D
synergystic effectors
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
sensors
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
autonomic process / somatic process
B
intrinsic homeostatic control / extrinsic homeostatic control
C
antagonistic effector / synergistic effector
D
negative feedback loop / positive feedback loop
7) maintaining homeostasis is a
A
totally optional activity for living things
B
dynamic balance process
C
static field process
D
naturally entropic process
8) which of the following is NOT an example of positive feedback?
A
lactation/ suckling
B
blood glucose level
C
blood clotting
D
labor contractions
9) which of the following is NOT a primary tissue of the body?
A
osseous
B
muscular
C
connective
D
nervous
10) which of the following is a characteristic of smooth muscle?
A
lacks ribosomes on its surface
B
has striations
C
found in the tunics of the alimentary canal
D
has extensive branching and intercalated discs
11) cuboidal epithelial cells have a width that is
A
approximately equal to their height
B
a mystery to scientists
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
ciliated pseudostratified epithelium
C
simple columnar 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
conductive electrolytes
C
surface area
D
extracellular matrix
14) which of the following is NOT a type of connective tissue?
A
neuroglia
B
blood
C
areolar
D
bone
15) the atomic nucleus does not contain ____, which are negatively charged subatomic particles
A
electrons
B
protons
C
neutrons
D
gluons
16) 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
17) isotopes have the same _______ number, but different ____
A
prime, derrivative
B
mass, atomic
C
atomic, mass
D
neutron, charge
18) an atom that gains or loses an electron becomes a(n) ____, which has a net ____
A
isomer, atomic number
B
isotope, mass
C
joke, work
D
ion, charge
19) which of the following bonds would be broken most easily (least energy)
A
ionic
B
covalent
C
hydrogen
D
metallic
20) as the pH of a solution decreases, its _________ concentration _______
A
hydrogen ion, increases
B
negative ion, stays the same
C
hydrogen ion, decreases
D
hydroxide ion, increases
*select an answer for all questions
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