BIOL 260 - Final Exam Questions And Correct Answers
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Course
BIOL 260
Institution
BIOL 260
BIOL 260 - Final Exam Questions And
Correct Answers
Which of the following imaging techniques would be best to use to study the growth and
development of a fetus?
a.) PET
b.) CT
c.) Ultrasonography
d.) MRI
e.) X-ray - answerc.) Ultrasonography
The single most abundant chemical substance of...
BIOL 260 - Final Exam Questions And
Correct Answers
Which of the following imaging techniques would be best to use to study the growth and
development of a fetus?
a.) PET
b.) CT
c.) Ultrasonography
d.) MRI
e.) X-ray - answer✔✔c.) Ultrasonography
The single most abundant chemical substance of the body, accounting about 60% to 80% of body
weight, is __________.
a.) hydrogen
b.) oxygen
c.) water
d.) protein - answer✔✔c.) water
Which of the following is a logical organization?
a.) atoms, tissues, molecules and cells
b.) atoms, cells, molecules, tissues
c.) molecules, atoms, cells, tissues
d.) atoms, molecules, cells, tissues - answer✔✔d.) atoms, molecules, cells, tissues
Which of the following describes the operation of the heart and blood vessels?
a.) systemic physiology
b.) cardiovascular physiology
e.) vascular physiology - answer✔✔b.) cardiovascular physiology
Produces antibodies that attach to foreign substances.
a.) Immune
b.) Endocrine
c.) Lymphatic
d.) Cardiovascular - answer✔✔a.) Immune
Although a man who weighs 175 pounds on Earth would be lighter on the moon and heavier on
Jupiter, his __________ would not be different.
a.) Weight
b.) Matter
c.) Energy
d.) Mass - answer✔✔d.) Mass
When the bonds of ATP are broken, energy is released to do cellular work.
a.) mechanical energy
b.) radiant energy
c.) electrical energy
d.) chemical energy - answer✔✔d.) chemical energy
The numbers listed represent the # of electrons in the first, second and third energy levels,
respectively. On this basis, which of the following is an unstable or reactive atom?
a.) 2
b.) 2, 8, 1
c.) 2, 8
d.) 2, 8, 8 - answer✔✔b.) 2, 8, 1
Produced in the nucleus, this molecule specifies the exact sequence of amino acids of the protein
to be made.
a.) Messenger RNA
b.) Ribosomal RNA
c.) Transfer RNA
d.) Synthetase enzymes
e.) ATP - answer✔✔a.) messenger RNA
Chromosomal centromeres split and chromosomes migrate to opposite ends of the cell.
a.) late prophase
b.) telophase
c.) metaphase
d.) anaphase
e.) early prophase - answer✔✔d.) anaphase
Which of the following systems are not capable of producing antibodies that attach to foreign
substances?
a.) cardiovascular
b.) endocrine
c.) lymphatic
d.) immune - answer✔✔a.) cardiovascular
b.) endocrine
c.) lymphatic
Which of the following systems plays a role in protecting underlying organs from environmental
damage and synthesizes vitamin D?
a.) muscular
b.) integumentary
c.) nervous
d.) CVS
e.) skeletal - answer✔✔b.) integumentary
What feedback mechanism is used during childbirth?
a.) neither mechanisms are used in childbirth
b.) negative feedback mechanism
c.) positive feedback mechanism
d.) both mechanisms are used in childbirth - answer✔✔c.) positive feedback mechanism
Responsiveness or irritability is the ability to sense changes in the environment and then respond
to them.
a.) True
b.) False - answer✔✔a.) true
Average body temperature is _________ degrees centigrade.
a.) 98
b.) 37
c.) 68
d.) 98.6
e.) 27
f.) 47 - answer✔✔d.) 98.6
If you consider your home air conditioner in terms of homeostasis, then the wall thermostat
would be the _____________.
a.) control center
b.) stimulus
c.) effector
d.) receptor
e.) variable - answer✔✔a.) control center
A structure that is composed of 2+ tissue types that work together to perform specific functions
for the body is a(n) _______________.
a.) complex tissue
b.) organ system
c.) organ
d.) complex cell
e.) atom
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