Solutes that cannot freely pass through a membrane are said to be ________.
A. osmotically inactive
B. osmotically active
C. selectively permeable
D. hypertonic
Answer: B
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Pectinate muscles are found on the
A. posterior wall of the right ventricle. B. anterior wall of the right ventricle. C. internal walls of the right and left atria. D. posterior walls of the right and left ventricles. E. external wall of the right atrium.
Cerebrospinal fluid fills the space between the __________.
A. dural sheath and dura mater B. dural sheath and vertebral bones C. dura mater and arachnoid mater D. arachnoid mater and pia mater E. dura mater and pia mater
How do the functions of Schwann cells differ from those of satellite cells?
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Your 70-year-old grandfather shows signs of loss of hair and some baldness. What age-related disorder do you suspect is the cause?
A) psoriasis B) lanugo C) male pattern baldness D) dermatitis E) milia