Which of the following statements regarding the mechanisms necessary for proper vision is inaccurate?
A) Eye muscles are correctly coordinated so that both eyes move together.
B) The correct amount of light is admitted by the ciliary body.
C) Light is correctly focused onto the retina by the lens.
D) The optic nerve transmits sensory images to the brain.
B) The correct amount of light is admitted by the ciliary body.
The pupil admits the correct amount of light, not the ciliary body. The other
statements are accurate.
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When the body releases cortisol and epinephrine, the heart rate accelerates and hearing and vision become more acute. What is the term for this?
A) somatic nervous system reaction B) homeostasis C) the fight-or-flight reaction D) adaptive energy response
Which procedures are specifically utilized for the treatment of pleural effusion? Select all that apply
1. Surgery for the reduction of the pharyngeal tissues 2. Administration of mucolytic agents 3. Drainage 4. Chest tube attached to suction 5. Orthopedic bracing
Which of the following is one of the four heart defects seen in tetralogy of Fallot?
A) ventricular septal defect B) vegetations on the valves C) complete heart block D) edema of the legs and feet
Which of the following statements regarding the treatment of cerebrovascular disease is FALSE?
A. Clot-dissolving medications can decrease the damage caused by a stroke. B. Clot-dissolving medications can restore blood flow to the brain. C. Surgery is sometimes necessary to control bleeding and decrease pressure in the brain. D. Clot-dissolving medications can be used for all types of strokes.