Definition
A. It transmits nerve signals from the brain to stimulate the relaxation
of muscles
B. It transmits nerve signals from the brain to stimulate the
contraction of muscles
C. It prevents the flow of nerve signals from the brain to stimulate
the contraction of muscles
D. It releases the neurotransmitter at the neurotransmitter junction to
stimulate the relaxation of muscles
B.
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Which of the following statements Which of the following structure is a
correctly explains the sagittal valve present between the stomach
anatomical plane? and the small intestine?
, Which of the following structures is Which of the following is the
directly stimulated by messages role of the nervous system in
from the hypothalamus? controlling the muscles?
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2 of 180
Term
In order to determine the ratio of nitrogen bases found in DNA, an
experimenter took a sequence of DNA from chromosome 13 and
analyzed it for each base. The results are shown in the table.
Nitrogen base # Found in Sequence
Adenine 28
Thymine 28
Guanine 22
Cytosine 22
Which of the following would have strengthened this investigation?
A. The experimenter should have picked a different chromosome
B. The experimenter should have picked a sequence with more
uneven numbers of nitrogen bases
C. The experimenter should have picked a specific gene used by the
tissue samples
D. The experimenter should have sampled a larger sequence
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D. A.
, B. C.
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3 of 180
Term
Which of the following statement is correct about the pH balance?
A. The pH scale is the qualitative measure of acidity or the basic its
of solids
B. The pH scale is a quantitative measure of the acidity or basicity of
solids
C. The pH scale is the qualitative measure of acidity or basicity of
non-aqueous solutions
D. The pH scale is the quantitative measure of the acidity or basicity
of aqueous solutions
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C. D.
A. B.
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4 of 180
Term
, The table shows details of two anatomical directions
X: Y:
Direction toward the front of the body Back of the body
Equivalent to belly-side Back side
Also known as anterior Posterior
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A. X= Ventral, Y= Lateral A. Oil secretion
B. X= Lateral Y= Dorsal B. Secretion of sweat
C. X= Ventral Y= Dorsal C. Synthesis of sebum
D. X= Lateral Y= Ventral D. Vitamin D synthesis
C. D.
A. Arteries A. Liters
B. Aorta B. Centimeters
C. Capillaries C. Kilometers
D. Vena cava D. Cubic miles
C. B.
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5 of 180
Term
Which of the following solutions represent a basic solution?
A. A solution with a hydroxide donor and a pH greater than 7
B. A solution with a hydroxide donor and a pH less than 7