A plasma protein essential for blood clotting is
A) albumin alpha.
B) fibrinogen.
C) immunoglobulin A.
D) metalloprotein D.
E) lipoprotein C.
B
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What ion is sometimes used as a second messenger of amino acid?based hormones?
A) iron B) calcium C) sodium D) chlorine
Emission
A) depends on waves of contractions of the preputial glands. B) begins with peristaltic contractions of the ductus deferens. C) is responsible for propelling spermatozoa into the female reproductive tract. D) involves contractions of the cremaster muscle. E) is associated with orgasm.
Each kidney contains more than a million "functional units" called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not considered an abdominopelvic region?
A) right hypochondriac B) right inguinal region C) left lumbar D) left hypochondriac E) upper