Kaplan University

The charge state of protons, neutrons, and electrons are _______. Correct Answer: positive, neutral, negative, respectively The reactivity of an atom arises from ______. Correct Answer: the existence of unpaired electrons in the valence shell Atomic number indicates _______. Correct Answer: the number of protons Covalent bonds differ from ionic and metallic bonds because in covalent bonding _______. Correct Answer: pairs of electrons are shared

What are the bonds that hold elements together? From strongest to weakest. Correct Answer: - Covalent bond - Ionic Bond - Hydrogen Bond - Van Der Waal's forces What is one of the main functions of Cysteine as an amino acid? Correct Answer: Formation of Di-sulphide bridges What are the 4 levels of Protein structure? Give explanation/examples of each. Correct Answer: 1. Primary - Simply the unique sequence of amino acids making up the single, linear chain of a polypeptide 2. Seco...

Valance shell Correct Answer: Outermost electron shell and its electrons determine chemical behaviour and bonding Radioactive isotopes Correct Answer: Useful in medical diagnostic tests and in research Atoms can gain or lose electrons Correct Answer: Metals lose electrons and non-metals accept Correct Answer: Anions Correct Answer: negatively charged ions (gain electrons) Cations Correct Answer: positively charged ions (lose electrons) Intramolecular bonds Correct Answe...

How do you lower the front of the frame? Correct Answer: Move nose pads further apart or increase pantoscopic tilt (2 degrees = 1mm) If the wearer complains that the glasses feel snug but still slip down the nose, one likely cause is that? Correct Answer: Pressure is being applied by the temple shafts anterior to the ear. When the wearers PD is less than the frame PD what should you do? Correct Answer: Positive face form The new bifocal wearer must: Correct Answer: Drop the eyes to ...

Light falling on the front surface of a spectacle lens is: A) partially reflected, partially absorbed and the remainder refracted B) partially reflected and the remainder refracted C) partially absorbed and the remainder refracted D) totally refracted Correct Answer: A) partially reflected, partially absorbed and the remainder refracted Concave mirror: A) can focus parallel incident rays to form a real image B) can focus parallel incident Rays to form a virtual image C) always produ...

Which of the following individuals first described ABO blood group systems A. Mourant B. Landsteiner C. Baptiste D. Drew Correct Answer: b The gene for the ABO blood groups systems resides on chromosome A. 3 B. 5 C. 9 D. 11 Correct Answer: c Which gene is an amorph, meaning no functional gene product is produced from the sequence a. A b. B c. H d. O Correct Answer: d How many nucleotide differences are there between the A and B genes a. 3 b. 4 c. 6 d. 7 Correct Answer...

Name the 3 types of tunics of the eye, and what areas of the eye they consist of. Correct Answer: 1. Fibrous: cornea and sclera (outer protective coating) 2. Vascular: iris, ciliary body and choroid (uveal tract) 3. Neural: retina During accommodation, what 3 things do the eyes do? Correct Answer: 1. Ciliary muscle relaxes allowing for thickening of crystalline lens 2. Eyes converge 3. Pupils constrict What happens with Aniseikonia? Correct Answer: The ocular image of an object ...

A protein antigen agglutinogen that is located on the surface of our RBCs Correct Answer: Blood type There are ____ types of blood antigens Correct Answer: 2 What are the types of blood antigens ? Correct Answer: Antigen A & Antigen B How many may blood types ? Correct Answer: 4 The 4 main blood types depend on the ________ you have in your RBCs Correct Answer: Antigen Not self. Against formation. Stimulating the formation of antibodies Correct Answer: Antigen What are ...

The extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______of these muscles. Correct Answer: Six The fibrous tunic is comprised of the: Correct Answer: Sclera and cornea Fusion occurs: Correct Answer: In the brain The aqueous fluid is continually being manufactured by: Correct Answer: The ciliary body The ability of the eye to bring objects of varying distances to focus on the retina is known as: Correct Answer: ...

The ability of the eye to focus on objects at different distances - Accommodation Fresnel optics - Press on prism Frame material that resist stretching with heat - Nylon Bridge type that spreads weight over the greatest area - Saddle Amount of jump image is not affected by - The seg inset Double vision - Diplopia Modern AR coated lenses transmit how much light - 99.5%

ABO system discovered in _____ by _____ - 1900, Karl Landsteiner Human red blood cells can be classified as - A, B, O or AB Almost all healthy people older than 4-6 months of age have naturally occurring ______ to the ABO ______ they lack - antibodies, antigens If the ABO antigen is present on the cells the corresponding ______ will be absent in the serum - antibody If the ABO antibody is present in the serum the corresponding ______ will be absent on the cells - antigen ABO Blood Group System -...

150 mm - When ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 500 mm - What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers - Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers UVC - Which of the following has the shortest and therefore most harmful wavelength? A. UVC B. UVB C. UVA D. INFRARED Compound one another - When two light wav...

If the wearer complains of the bifocal line being somewhat in his way when driving, the problem may be alleviated by decreasing the distance between pads. True or False - False If the wearer complains that the glasses feel snug but still slip down the nose, one likely cause is that: A. The frame is too small B. The bridge fit is tight C. Pressure is being applied by the temple shafts anterior to the ear. D. Pressure is being applied on the very tips of the temples. - Pressure is being applied by...

BODY TEMPERATURE IS REGULATED BY THE: Correct Answer: HYPOTHALAMUS WATER CONSTITUTES WHAT AVERAGE NORMAL PERCENTAGE OF TOTAL BODY WEIGHT? Correct Answer: 50%-70% THE THYROID GLAND CONSISTS OF RIGHT AND LEFT LOBES JOINED BY THE? Correct Answer: ISTHMUS LANGER LINES GENERALLY LIE PERPENDICULAR TO THE DIRECTION OF: Correct Answer: UNDERLYING MUSCLE TENSION THE ARTERIAL SUPPLY TO THE INTESTINAL TRACT, WITH THE EXCEPTION OF THE STOMACH, DUODENUM, AND DISTAL RECTUM, IS DERIVED FROM THE...

Surgical operation performed for the reconstruction of the eardrum (tympanic membrane) and/or small bones of the middle ear (ossicles) Correct Answer: Tympanosplasty After gowning and gloving, a surgeon activates the Duraprep applicator and proceeds to prep the patient for surgery. What is the best action to take at this time? Correct Answer: Regown and reglove the surgeon What position is used for a pneumonectomy? Correct Answer: Lateral What is the kraske position? Correct Answer: ...

1. Which of the following is considered the MOST important skill for a surgical technologist? A. management of specimens B. management of sponges C. maintaining an orderly setup D. ensuring adequate lighting - A. Management of specimens 2. During the postoperative phase, the personnel primarily responsible for transporting soiled instrumentation to decontamination is the A. housekeeping staff. B. anesthesia technician. C. surgical technologist. D. central processing technician. - C. Surgical tec...

Tympanosplasty Correct Answer: Surgical operation performed for the reconstruction of the eardrum (tympanic membrane) and/or small bones of the middle ear (ossicles) After gowning and gloving, a surgeon activates the Duraprep applicator and proceeds to prep the patient for surgery. What is the best action to take at this time? Correct Answer: Regown and reglove the surgeon What position is used for a pneumonectomy? Correct Answer: Lateral What is the kraske position? Correct Answer: ...

1.During a laparoscopic appendectomy, the appendix is perforated, and contents begin spilling into the abdomen. Which of the following should the surgical technologist anticipate as the NEXT step? A.Suction the fluid from the abdomen. B.Continue removing the appendix as planned. C.Place a Kelly clamp over the perforation. D.Close the wound and terminate the procedure. - A 2.A carotid endarterectomy has just been finished and the dressing is on. The surgical technologist begins removing all sharp...

the vein where blood is drawn from inside the elbow - median cubital vein the glomerulus is - a cluster of capillaries at one end of the nephron the kidney directly controls blood pressure due to its regulation of fluid in the body the gastrocnemius is the chief muscle of the - stomach coverings of the brain from outside to inside - dura matter, arachnoid space, pia matter portion of the male urethra that passes through the pelvic floor - membranous the superior and inferior mesenteric arteries ...

A SURGICAL TECHNOLOGIST IS PREPARING THE INCISION SITE FOR THE DRESSING FOLLWING A (TAH). THE PATIENT HAS DEVELOPED A HEMATOMA AT THE INCISION SITE. THE SURGEON HAS LEFT THE ROOM. WHICH OF THE FOLLOWING ACTIONS SHOULD THE SURGICAL TECH TAKE? A. PLACE A PRESSURE DRESSING B. COVER WITH DERMABOND C. STERI-STRIP THE INCISION D. HAVE THE SURGEION RETURN - D. HAVE THE SURGEON RETURN WHICH OF THE FOLLOWING IS A SIGN OF CARDIAC ARREST? A. EDEMA B. CONVULSION C. CYANOSIS D. HYPERTENSION - C. CYANOSIS The...