Exam (elaborations) BIO 181 General biology
Exam (elaborations) BIO 181 General biology
Exam (elaborations) BIO 181 General biology
Exam (elaborations) BIO 181 General biology
Hematopiosis or blood cell formation is a function of what body system?
answer>>skeletal
The system that controls and coordinates the body through hormones is the?
answer>>endocrine system
What is the major function of the urinary system?
answer>>eliminate nitrogen-containing metabolic wastes from the body
Which of the following is NOT a necessary life function:
maintaining boundaries
movement
responsiveness
nutrients
metabolism
answer>>nutrients
Which of the following systems is matched most accurately to the life function it provides:
integumentary system - movement
nervous system - excretion
muscular system - maintaining boundaries
nervous system - responsiveness
respiratory system - digestion
answer>>nervous system - responsiveness
,What is the correct order of elements in a control system?
answer>>stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response
What element of a control system detects a change?
answer>>receptor
What do positive feedback systems do?
answer>>operate in such a way that the initial stimulus is enhanced and increases
When correctly situated in anatomical position, where are your feet in relation to your knees?
answer>>distal
Which of the following orientation terms have opposite meanings (in humans):
superficial and proximal
distal and proximal
medial and distal
medial and anterior
posterior and intermediate
answer>>distal and proximal
Which of these body regions is located on the anterior side of the body:
popliteal
sternal
lumbar
gluteal
occipital
answer>>sternal
Which type of section could be used to separate the thoracic cavity from the abdominopelvic cavity?
answer>>transverse
Which of the following contains sodium:
H2O
NaCl
N2
CH4
H2SO4
answer>>NaCl
Which of the following is classified as an inorganic compound:
glucose
triglyceride
water
,protein
steroid
answer>>water
Atomic mass is equivalent to the number of _____ in an atom.
answer>>protons and neutrons
An atom with an atomic number of 14 will have _____ electrons in its valence shell.
answer>>4
An atom with 6 protons, 7 neutrons, and 6 electrons shares four pairs of electrons with four other atoms. This
atom is now considered to be?
answer>>stable
An atom has 6 protons, 8 neutrons, and 6 electrons. Its atomic mass is?
answer>>14
An atom that has lost two electrons is called a(n)?
answer>>cation
The subatomic particles that are responsible for the chemical behavior of atoms are the?
answer>>electrons
When a pair of electrons is shared equally between two atoms, the bond formed is called a(n)?
answer>>nonpolar covalent bond
In the chemical reaction, HCl + NaOH ® H2O + NaCl, the chemical NaOH is considered to be:
water
base
product
acid
salt
answer>>base
The reaction sucrose + water ® glucose + fructose is an example of a(n):
double replacement reaction
synthesis reaction
decomposition reaction
neutralization reaction
anabolic reaction
answer>>decomposition
, Hydrogen bonding between water molecules is responsible for?
answer>>surface tension
Which of the following is an example of an inorganic molecule:
a fatty acid
an amino acid
cholesterol
hydrochloric acid
RNA
answer>>hydrochloric acid
T or F
The highest level of structural organization in humans is the organ level.
answer>>False
T or F
The lymphatic system collects fluids leaked by the cardiovascular system and returns them to the bloodstream.
answer>>true
T or F
The maintenance of boundaries between the internal organs of the body and the outside world is achieved by the
endocrine system.
answer>>False
T or F
Most homeostatic control mechanisms are negative feedback reactions.
answer>>true
T or F
The heel of the foot constitutes the plantar region
answer>>false
T or F
The thoracic cavity is separated from the abdominopelvic cavity by the diaphragm.
answer>>true
T or F
Transverse or horizontal sections divide the body into anterior and posterior parts.
answer>>false
T or F
The number of protons in an atom equals the atomic number for that element.
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