Increasing blood concentrations of carbon dioxide and hydrogen ions have similar effects
upon the respiratory areas due to
A) both increasing pH and inhibiting the respiratory areas.
B) their similarity in chemical structure, inhibiting the respiratory rate.
C) an increase in carbon dioxide, increasing hydrogen ions.
D) both chemically bonding, decreasing the respiratory rate.
C
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The eight front teeth are called ____
a. molars b. cuspids c. incisors d. premolars
The ________ nervous system regulates motility of esophagus, stomach, and intestines without input from brain or spinal cord.
Fill in the blank(s) with the appropriate word(s).
All of the following ligaments provide stability to the hip joint except the
a. ischiofemoral ligament. b. pubofemoral ligament. c. iliofemoral ligament. d. ligament of the head of the femur.
Which of the following substances found in semen is mismatched with its function?
A. fructose - nourishes sperm B. mucous - lubricates urethra C. fibrinogen - transient coagulation of semen D. prostaglandins - cause urethral contractions E. prostaglandins - cause uterine contractions