Reflex arc in eyes Study guides, Revision notes & Summaries

Normal findings in infants and children - Answer--20/20 vision by age 7 -Iris brown in dark-skinned neonates and slate gray-blue in light-skinned neonates. -By 3 months, eye color becomes permanent. -Eyelids edematous at birth -Little to no tears present at birth but begin by 4th week -Binocular vision (vision in both eyes) begins by 6 weeks of age. -Eyes reach adult size by 8 years. -Red reflex should be elicited from birth. Children have 20/20 vision by age - Answer-7 By ____ months o...

Neuroscience EXAM 3– USA (Latest 2023/ 2024 Update) Exam Prep with Questions and Verified Answers| 100% Correct| Grade A Q: this is the partial crossing of fibers where the optic nerves meet Answer: optic chiasm Q: where do the nasal (medial) retinal fibers (responsible for temporal hemifields of vision) crossover in the pathway? Answer: in the chiasm Q: these are posterior to the chiasm and carry visual information from ipsilateral hemiretinas of each eye Ans...

negative tropisms - Answer-growth away from a stimulus Define homeostasis - Answer-Homeostasis is the regulation of internal conditions in the body. It is necessary to maintain optimal conditions for body functioning. These internal conditions can change as a result of processes within the body and as external conditions change. systems responsible for homeostasis - Answer-the nervous system - uses electrical impulses to communicate the endocrine system - uses chemical molecules to commun...

Horne's syndrome When examining the eyes, the right pupil reacts briskly to light, near effort, and is much smaller than the left pupil. This condition is most likely: Paralysis of oculomotor cranial nerve (CN III) Dilated pupil is fixed to light and near accommodation Argyll Robertson pupils Pupil appears small and irregular shaped and accommodate but do not react to light. Seizure uncontrolled electrical activity in brain, may produce minor physical signs, thought disturbances or distu...

JCAT Independent Study Quiz answers and questions 2023. Which of the following is NOT hereditary? A) Migraines B) Diabetes C) Nystagmus D) Conjunctivitis - correct answers.D) Conjunctivitis Which part of the patient examination is performed by asking specific questions in an orderly sequence? A) History B) Diagnosis C) Measurement D) Assessment - correct answers.A) History What is an important question to ask a patient that complains of a "red eye"? A) D...

CNRN Spine Exam 42 Questions with Verified Answers C1 - CORRECT ANSWER -atlas -Responsible for 40% left to right motion of the head -45% of the nodding flex/ex motion Which areas of the spine are most vulnerable to injury? - CORRECT ANSWER Areas where a mobile segment transitions to an immobile area -Cervicothoracic junction -*Thoracolumbar transition cauda equina - CORRECT ANSWER -collection of nerve roots at the inferior end of the vertebral canal -Starts around L1 where spinal c...

CRRN Exam 677 Questions with Verified Answers Holistic Care - CORRECT ANSWER Incorporates the client's developmental needs, social networks, and lifestyle preferences. Gestalt Theory - CORRECT ANSWER States that the "Whole is greater than the sum of its parts." Pieces and parts fit together to produce thoughts, actions, and structures, such as family units. Advocates that the patient and entire family are assisted back to wellness. Developed by Max Wertheimer in the 1920's. Gardner ...

CRRN Exam 652 Questions with Verified Answers Ethical dilemma - CORRECT ANSWER When a person or group is forced to choose between 2 equally difficult actions because they are both right or they are both wrong, or both contain uncertainty Code of Ethics - CORRECT ANSWER Established by ANA; Provides a framework for nurses to use in ethical analysis and decision making; 9 provisions living will - CORRECT ANSWER Legal document that allows a person to make his or her wished regarding medical...

​​​​Emergency Medical Technician; EMT-B Final Exam Test Bank Study Set Questions and Answers_ 2023. (Sample) EMT-B Final Exam Study Set Questions and Answers_ Updated 2022. C. National Highway Transportation Safety Administration (NHTSA). - Most EMT training programs are based on standards developed by the: A. American Red Cross (ARC). B. American Heart Association (AHA). C. National Highway Transportation Safety Administration (NHTSA). D. National Institutes of Health (NIH). ...

CRRN Test 1|1266 Questions with Verified Answers Which act allows children with disabilities appropriate education, transition services, assistive technology, and rehab counseling? - CORRECT ANSWER Individuals with Disabilities Education Act What is a SMALL number of people with complementary skills who are equally commited to a common purpose, goals, and working approach known as? - CORRECT ANSWER real team Participants in health care have combined widely shared human beliefs about hea...