Which labeled structure in the figure acts as the natural pacemaker of the heart?
a) A
b) B
c) C
d) D
e) E
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Question 2) What is line C pointing to?
a) Fenestration
b) Pedicel
c) Filtration slit
d) Basal lamina
e) Lumen of the glomerulus
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Question 3) Serum is
a) the same as plasma.
b) plasma without the clotting factors.
c) the same as lymph.
d) formed during the first step in blood clotting.
e) pulmonary interstitial fluid.
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Question 4) The axons of the ganglion neurons of the retina terminate in the
a) optic disk.
b) optic chiasm.
c) visual cortex of cerebrum.
d) lateral geniculate nucleus of the thalamus.
e) primary somatosensory area of cerebral cortex.
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Question 5) Which vessel in the figure is labeled B ?
a) left femoral vein
b) left great saphenous vein
c) left popliteal vein
d) left anterior tibial vein
e) left fibular vein
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Question 6) The thyroid gland develops from which of the following germ layers during embryonic development?
a) Mesoderm
b) Endoderm
c) Ectoderm
d) A combination of two of the layers
e) None of the answer selections are correct
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Question 7) Describe the roles of estrogens and progesterone.
What will be an ideal response
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Question 8) Lymph flowing from the afferent lymphatic vessel will travel next to which structure in the figure?
a) A
b) B
c) C
d) D
e) E
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Question 9) All of the following result from some form of malfunction by the basal nuclei EXCEPT
a) Huntington's disease.
b) Parkinson's disease.
c) Tourette's syndrome.
d) obsessive-compulsive disorder.
e) synesthesia.
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Question 10) What is line I pointing to?
a) Greater curvature
b) Lesser curvature
c) Body
d) Fundus
e) Cardia
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