Light stimulates nerve endings in which of the following structures to send signals to the brain via the optic nerves?

a. Retina
b. Iris
c. Lachrymal glands
d. Lens


Answer: a

Health Professions

You might also like to view...

Which of the following statements concerning behavioral emergencies is true?

A) The person with a behavioral emergency requires prolonged institutionalization. B) Emotional outbursts are considered behavioral emergencies. C) It may be difficult to determine what behavior is abnormal for a given person in a given situation. D) A person with a behavioral emergency is mentally ill.

Health Professions

The EMT would recognize a focal motor seizure when she observes:

A) jerky muscular activity of a single extremity. B) repetitive actions like lip smacking or finger rolling. C) blank staring which begins and ends abruptly. D) abrupt personality changes including fits of rage.

Health Professions

Which of the following are good candidates for home mechanical ventilation?

1. A patient who cannot maintain adequate ventilation at night 2. A patient who requires continuous ventilation to survive 3. A terminally ill patient who requires ventilatory support a. 2 and 3 only b. 1 and 2 only c. 1, 2, and 3 d. 1 and 3 only

Health Professions

Dr. O'Connor treated a 42-year-old male in the hospital emergency department. The patient complained of right lower quadrant pain and of feeling faint. Dr. O'Connor documented a chief complaint, a brief history of present illness, and a systemic review of the gastrointestinal system and respiratory system. Dr. O'Connor also documented a complete examination of all body systems, which included all required elements. Medical decision making was of moderate complexity. Report code _____.

a. 99281 b. 99282 c. 99283 d. 99284

Health Professions