Which of these is responsive for focusing the lens?
A. Ciliary muscle
B. Ora serrata
C.smooth muscle of the iris
D. Choroid
A. Ciliary muscle
Anatomy & Physiology
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The patellar "knee jerk" reflex is an example of a(n) ________.
A) extensor thrust reflex B) stress reflex C) crossed-extensor reflex D) stretch reflex
Anatomy & Physiology
A small chamber occupied by an osteocyte is called a(n) ________.
A. canaliculus B. endosteum C. lamella D. lacuna E. osteon
Anatomy & Physiology
Peritubular capillaries tend to exhibit
A. low hydrostatic pressure and high colloid pressure. B. high hydrostatic pressure and high colloid pressure. C. high hydrostatic pressure and low colloid pressure. D. low hydrostatic pressure and low colloid pressure.
Anatomy & Physiology
Through which vessel is the velocity of blood flow the slowest?
a. aorta b. arterioles c. capillaries d. venules e. veins
Anatomy & Physiology