Which of the following respiratory neural control centers is "always on" (regulating breathing)?
a. ventral respiratory group
b. Pontine center
c. dorsal respiratory group
d. apneustic center
Answer: c. dorsal respiratory group
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The vitreous body
A) fills the anterior chamber. B) helps to stabilize the eye and holds the retina up against the eyewall. C) is replaced at the rate of 20 percent per year until middle age. D) circulates through the pupil. E) holds the retina against the lens for proper refraction.
The passive reabsorption of urea is indirectly linked to the active reabsorption of:
a. potassium b. chloride c. sodium d. glucose e. phosphorus
Which exercise listed below targets the Middle Deltoid with shoulder abduction?
a) Dumbbell chest flye b) Lat Pull Down c) Dumbbell front raises d) Dumbbell overhead press
Most nephrons are located within the renal _____
a. pelvis b. calyces c. medulla d. pyramids e. cortex