Night blindness - Study guides, Class notes & Summaries

Which of the following is the most common blood disorder that may result from a variety of causes? a. Leukemia b. Thrombocytopenia c. Anemia d. Polycythemia - correct answer c. Anemia Bilirubin specimens require what special preparation? a. Freezing b. Incubation c. Protection from light d. Refrigeration - correct answer c. Protection from light Night blindness may be caused by a deficiency of? a. Niacin b. Thiamin c. Vitamin A d. Vitamin D - correct answer c. Vitamin A ...

Disorders associated with headaches? - correct answer Hypertension or Brain Tumor Headaches caused by refractive error will not appear during? - correct answer 1. Not appear at night 2. Will not appear during sleep 3. Will not appear when you wake up Where is the aqueous humor located? - correct answer Between the lens and the cornea. How many rods are there? - correct answer 125 million Where are the rods located? - correct answer In the retina How many cones are ther...

Which cognitive alteration does the nurse suspect when a 70-year-old receiving pain medication following a hip replacement stays awake all night and is confused? A. Dementia B. Delirium C. Depression D. Sensory deprivation - Answer-B. Delirium The nurse recognizes which cognitive impairment in a patient with a recent CVA who can follow commands but has difficulty responding verbally? A. Expressive aphasia B. Hypoglycemia C. Delirium D. Receptive aphasia - Answer-A. Expressive aphasia ...

ANSC 221: Vitamins and Macro-Minerals Questions and Answers Rated A+ What vitamins are fat soluble? Vitamins A, D, E, K What vitamins are water soluble? C and B-complex What is the primary function of fat soluble vitamins? take care of structure of the body What is the primary function of water soluble vitamins? intermediary metabolism Which vitamins are toxic if they are overfed? A and D What are the 3 forms of vitamin A? retinol, retinal, retinoic acid What is the precurs...

COA JCAHPO Test with verified solutions Disorders associated with headaches? -Correct Answer-Hypertension or Brain Tumor Headaches caused by refractive error will not appear during? -Correct Answer-1. Not appear at night 2. Will not appear during sleep 3. Will not appear when you wake up Where is the aqueous humor located? -Correct Answer-Between the lens and the cornea. How many rods are there? -Correct Answer-125 million Where are the rods located? -Correct Answer-In the retina ...

Describe fat soluble vitamins in terms of storage, transport and absorption - absorbed like fat into the lymphatic system, then the blood. Travel with protein carriers and stored in liver and fatty tissue. symptoms associated with vitamin a deficiency - night blindness, xerothalmia(eye dryness)/blindness, impaired growth of teeth and bones, damaged immune function, impaired cell differentiation and gene regulation. key antioxidant vitamins: key antioxidant mineral - Beta carotene, vitami...

MDC 1 - Exam 2 Study Guide Questions With Correct Answers. - Always knock or announce your entrance into the patient's room or area and introduce yourself. - Orient the patient to the environment, counting steps with him or her to the bathroom - Help the patient place objects on the bedside table or in the bed and around the bed and room and do not move them without the patient's permission - Remove all objects and clutter between the patient's bed and the bathroom. - Use a normal tone o...

What vitamins are fat soluble? : Vitamins A, D, E, K What vitamins are water soluble? : C and B-complex What is the primary function of fat soluble vitamins? : take care of structure of the body What is the primary function of water soluble vitamins? : intermediary metabolism Which vitamins are toxic if they are overfed? : A and D What are the 3 forms of vitamin A? : retinol, retinal, retinoic acid 2 | P a g e What is the precursor of vitamin A? : carotene Vitamin A is not present...

Disorders associated with headaches? Answer Hypertension or Brain Tumor Headaches caused by refractive error will not appear during? Answer 1. Not appear at night 2. Will not appear during sleep 3. Will not appear when you wake up Where is the aqueous humor located? Answer Between the lens and the cornea. How many rods are there? Answer 125 million Where are the rods located? Answer In the retina How many cones are there? Answer 6 million Where are the cones located? Answer I...

mydriatic : Action: dilates pupil/ Use: eye examinations/ Adverse Effects : dry mouth , blurred vision/ Nusring Considerations: place inside lower lid, not directly on the eye (page 100 in binder) Example: atropine sulfate tardive dyskinesia : Involuntary , repetitive useless movements such as spasms protrusion of the tongue and inability to swallow that occur almost continuously during waking hours but cease during sleep. Often the result of long-term antipsychotic use. Beta Blocker...