PNB 2274 EXAM 1 PRACTICE
QUESTIONS AND ANSWERS
In the skull of a newborn baby, the space between the developing skull bones is known as
a. Lacuna
b. Aversion canals
c. Fontanel
d. Intramembranous canal
e. Central canal - Ans:-c. Fontanel
You recently identified a disorder in which the activ...
a. Homeostatic mechanisms work through positive feedback
b. Homeostasis functions to ensure internal conditions fluctuate around a set-point
c. Circadian thythms affect set points
d. Both A and B is true
e. Both B and C is true - Ans:✔✔-e. Both B and C is true
How does PTH help increase the calcium ion concentration of the blood?
a. PTH decreases urine calcium output
b. PTH increases blood calcium levels by decreasing osteoclast activity
c. PTH increases blood calcium levels by increasing osteoblast activity
PTH increases calcium blood levels by increasing the rate of calcium uptake to osteocytes - Ans:✔✔-a.
PTH decreases urine calcium output
When doing a handstand, the stomach is ____ to the lungs.
a. Inferior
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