What is astigmatism Study guides, Class notes & Summaries

CCHI Exam Questions and Answers Latest Updated 2024/2025 (100% Correct) What is the function of the gonads? - ANSWER-Produce testosterone (testes and ovaries), considered endocrine glands Function of prostate gland? - ANSWER-secretes fluid that transports sperm how does urine travel? - ANSWER-produced in kidneys, through ureters into bladder, bladder stores it, urine released through urethra (tube) what is the perineum? - ANSWER-area between vagina/scrotum and anus Cystoscopy - ANSWER-visu...

Nuclear Medicine Instrumentation Exam Questions with 100% Correct Answers The amount of light generated by a sodium iodide crystal is directly related to the: A. photon energy absorbed in the crystal B. Diameter of the crystal C. Thickness of the crystal D. Age of the crystal - answerA. photon energy absorbed in the crystal A NaI (Tl) scintillation detector provides an output signal from the photo-multiplier tube that is proportional in amplitude to the amount of energy absorbed in the c...

ODP Spectacle Final Exam Questions and Answers All Correct When would a frontal angle be seen? - Answer-While observing the nose from the front What is one possible reason to use a material that naturally creates more power? - Answer-To create a flatter curve The conjunctiva is considered: - Answer-A mucous membrane A patient who enjoys archery often finds that the target seems difficult to see clearly. What tint added to his spectacles may help this situation? - Answer-Yellow Which...

ABO advance study guide test questions and answers verified 100% When taking seg height measurements, which of the following situations could result in a parallax error? - Patient sitting/ dispenser standing erect Which of the following is not significant in identifying the problem of vertical imbalance? - Patient's age Which of the following elements is NOT critical when determining vertical imbalance? - Lens power in the 180 degree meridian A prism will displace the object be...

What are the disadvantages of Soft Lenses? - ANSWER-Doesn't correct irregular astigmatism, favors deposit formation Which test measures the quantity of tears? - ANSWER-The Schirmer test. What are good results for the Schirmer test? - ANSWER-15 mm in 5 minutes. What are dry eye results for the Schirmer test? - ANSWER-5-10 mm in 5 minutes. Neovascularization is mainly due to what? - ANSWER-Hypoxia, corneal edema, tight contact lens fit The Radii and Power of an average cornea - ANS...

To widen the distance between the pads of a frame or mounting, bent the pad arms: - Outward/Angle the temples upward from the end pieces. A reverse slab-off is molded with base _____ prism in the near portion of the lens. - Down Multifocal height is usually determined by measuring from the: - Lower edge of the lens. If the pad arms are lengthened, this adjustment will: - Push the front out more. A semi-rimless mounting consists of: - A center piece with lens bars connecting the end p...

HESI Health Assessment Exam Questions and Answers (2022/2023) Verified Answers. 1) The nurse hears bilateral louder, longer, and lower tones when percussing over the lungs of a 4-year old child. What should the nurse do next? a) Palpate over the area for increased pain and tenderness. b) Ask the child to take shallow breaths and percuss over the area again. c) Refer the child immediately because of an increased amount of air in the lungs. d) Consider this a normal finding for a child this ...

How many Australians have diabetes? 1.7 million What % of diabetes is type 2? 90% 90% What is type 1 diabetes? Immune mediated destruction of B cells What is type 2 diabetes? B cell dysfunction and insulin resistance B cell dysfunction and insulin resistance Who is at risk of type 2 diabetes? >40, waistline >80cmF/>94cmM, south Asian or African descent, polycystic ovaries, gestational diabetes, mental illness medication How is type 2 diabetes diag...

1. Your client attempted suicide with a medication overdose. Which intervention would be most effective in preventing an adolescent from attempting suicide again? a. Assessing his financial level b. Help him learn better problem -solving skills at school c. Coordinate involvement of a mental health provider to allow child to express feelings d. Encourage him to make more friends at his after-school job 2. The nurse evaluates teaching provided to a school age child and parents about the m...

NCLE Practical Questions and Answers Verified A+ Steep Fluorescein Pattern - Bright green pooling center, very faint green pooling on diameter of lens Flat Fluorescein Pattern - Bright green pooling on diameter of lens, very faint green in center Against-the-rule Astigmatism Pattern - Bright green pooling horizontally, faint green pooling vertically With-the-rule Astigmatism Pattern - Bright green pooling vertically, faint green pooling horizontally Pri...