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The Optometry Admission Test (OAT) is a computer-based exam, designed to measure general academic ability, comprehension of scientific ability, and perceptual ability. It is comprised of four multiple-choice sections, the longest of which is the Survey of Natural Sciences (90 minutes), followed by a reading comprehension section (50 minutes), followed by an optional 15-minute break. After the break, there will be a Physics portion (50 minutes) and, finally, a Quantitative Reasoning section (45 minutes).
Paper-based versions are administered, as well; however, applicants must submit for special accommodations at least
one year prior to the test date. Tests generally cost $213. There is a partial fee waiver that may be submitted.
(See the OAT Guide for more information.)
Refunds are not given, and there is a rescheduling fee for changing test centers or times.
Computer-based exams are quite flexible regarding dates, times, and locations. All Prometric test centers will offer the OAT, but for assurance that the time and date of the appointment will coincide with the test taker’s preference, it is advised to register 90 days in advance. You can register for the test by filling out the application form Click Here.
Access the main guide to the OAT for more information on registration, fees, deadlines, eligibility, procedures, content, and more. Applications for special accommodations, additional questions, registration fees, and so on may all be directed to the following address:
Optometry Admission Testing Program
211 East Chicago Avenue, Suite 600
Chicago, IL 60611-2637
The main optometry Admission Test information page holds a variety of useful information regarding the advancement and promotion of the Association of Schools and Colleges of Optometry, including faculty directories, diversity grants, and more. By phone, contact: 314-991-4400.
1. When an animal takes in more energy that it uses over an extended time, the extra chemical energy is stored as:
2. When Ca2+ channels open in a presynaptic cell (doesn't the cell also depolarize?)
3. The chemical bonds between hydrogen and oxygen in an H2O molecule are an example of?
4. A population of pea plants has 25% dwarf plants and 75% tall. The tall allele, T is dominant to dwarf (t). What is the frequency of the T allele?
5. Which of the following is not a mechanism that contributes to cell differentiation and development in embryos?
1. A weather balloon is filled with 1000 mol of He gas at 25 °C and 101 kPa of pressure. What is the volume of the weather balloon?
2. Gas X is in a cylinder at 1 atm of pressure and has a volume of 10 L at 0° C. Gas X spontaneously decomposes to gas Y, according to the equation:X → 3Y
The temperature in the cylinder remains the same during the reaction. What is the pressure in the cylinder now?
3. 100 g of H3PO4 is dissolved in water, producing 400 mL of solution. What is the normality of the solution?
4. 100 mL of a 0.1 M solution of NaOH is neutralized to pH 7 with H2SO4. How many grams of H2SO4 are required to achieve this neutralization?
5. Atoms that are sp2 hybridized will have what sort of hybrid orbital geometry around them?
1. Jones oxidation of alcohols and aldehydes is used to produce carboxylic acids by reaction with
2. High-boiling liquids should be distilled under reduced pressure because
3. A monosaccharide is
4. Removal of an α hydrogen atom from a carbonyl compound is favored by
5. Substituent groups can be added to benzene rings by a
1. A piece of art of mass 200 kg is suspended from two nails so that the angle the hanging wires make is 40° with the horizontal. What is the tension in the hanging wires? (Note: Sin 40° = 0.64 and Cos 40° = 0.77).
2. Two cars driving in opposite directions collide. If you ignore friction and any other outside interactions, which of the following statements is always true?
3. An automobile increased its speed uniformly from 20 m/s to 30 m/s at rate 5 m/s2. During this time it traveled 50 meters. How long did it take the automobile to make this change?
4. Which of the following demonstrations best illustrates Newton's first law?
5. A lead sphere 10 centimeters in diameter is attached to a 10-meter wire and suspended from a beam in a large warehouse. A lead sphere 1 meter in diameter is placed next to the smaller sphere, almost touching. Ignoring friction, which statement is true?
1. A taxi service charges $5.50 for the first 1/5th of a mile, $1.50 for each additional 1/5th of a mile, and 20¢ per minute of waiting time. Joan took a cab from her place to a flower shop 8 miles away, where she bought a bouquet, then another 3.6 miles to her mother's place. The driver had to wait 9 minutes while she bought the bouquet. What was the fare?
2. Given the equation , what is the value of y?
3. Which of the following expressions is equivalent to ?
4. (2a2b – 3c3)(3a3b + 4c) =
5. There are 80 mg / 0.8 ml in Acetaminophen Concentrated Infant Drops. If the proper dosage for a four year old child is 240 mg, how many milliliters should the child receive?
These questions are based on the following passage:
The phylum Annelida, named for the Latin word anellus, meaning “ring”, includes earthworms, leeches, and other similar organisms. In their typical form, these animals exhibit bilateral symmetry, a cylindrical cross section, and an elongate body divided externally into segments (metameres) by a series of rings (annuli). They are segmented internally as well, with most of the internal organs repeated in series in each segment. This organization is termed metamerism. Metameric segmentation is the distinguishing feature of this phylum, and provides it with a degree of evolutionary plasticity in that certain segments can be modified and specialized to perform specific functions. For example, in some species certain of the locomotor parapodia, or feet, may be modified for grasping, and some portions of the gut may evolve digestive specializations.
The gut is a straight, muscular tube that functions independently of the muscular activity in the body wall. The Annelida resemble the nematodes, another worm phylum, in possessing a fluid-filled internal cavity separating the gut from the body wall. In both phyla, this cavity is involved in locomotion. However, in the annelids this space is formed at a much later time during the development of the embryo, and presumably evolved much later as well. This fluid-filled internal space is called a true coelum.
The annelid excretory and circulatory systems are well developed, and some members of the phylum have evolved respiratory organs. The nervous system offers a particular example of metameric specialization. It is concentrated anteriorly into enlarged cerebral ganglia connected to a ventral nerve cord that extends posteriorly and is organized into repeating segmental ganglia.
This phylum includes members bearing adaptations required for aquatic (marine or freshwater) or terrestrial habitats. They may be free-living entities or exist as parasites. Among the best known are the earthworm Lumbricus, the water leech Hirudo, and the marine worm Nereis.
1. What is the purpose of this passage?
2. What is meant by the term metamerism?
3. What is meant by the term parapodia?
4. One evolutionary advantage of segmentation is that
5. A group of worms other than the Annelida are called
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