The ________ is formed by a portion of the allantois, blood vessels, and remnants of the yolk sac
A) amnion
B) body stalk
C) chorion
D) umbilical cord
E) placenta
Answer: D
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Each amino acid differs from another in the
A) number of central carbon atoms. B) size of the amino group. C) number of carboxyl groups. D) nature of the side chain. E) number of peptide bonds in the molecule.
Each of the elements that make up a skeletal muscle is surrounded by connective tissue. Which words below correctly pair the connective tissue layer with the corresponding muscle structure?
A) muscle fiber: deep fascia B) functional group of muscles: endomysium C) entire muscle: epimysium D) fascicle: perimysium
Explain dehydration and its effect on the osmotic concentration of blood
A) Dehydration occurs when water gains outpace water losses causing the osmotic concentration of blood plasma to decrease. B) Dehydration occurs when water losses outpace water gain causing the osmotic concentration of blood plasma to decrease. C) Dehydration occurs when water gains outpace water losses causing the osmotic concentration of blood plasma to increase. D) Dehydration occurs when water losses outpace water gain causing the osmotic concentration of blood plasma to increase. E) Dehydration occurs when water losses equal water gains but the osmotic concentration of the ICF increases.
The epidural space is filled with cerebrospinal fluid (CSF)
Indicate whether the statement is true or false