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Which of the following is a type of reflection that results from a collimated or convergent beam where no power is lost? Ans: Specular Which of the following is not a sign thermal relaxation time has been breached? Ans: Muscle spasms All of the following are examples of power density except: Ans: Hertz Topical cooling slows the sodium/potassium communication & Topical Anesthetics block the sodium/potassium communication Ans: True Which of the following types of hair is sh...

Which is not a characteristic of a true laser? A) Coherent B) Broad Spectrum C) Collimated D) Monochromatic Ans: B) Broad Spectrum How does light Interact with tissue? A) absorption B) reflection C) scattering D) transmission E) all of the above Ans: E) all of the above Name three chromophores that are targeted by IPL/BBL A) water, melanin found in hair, oxyhemoglobin B) melanin, tattoo ink, porphyrins C) melanin, oxyhemoglobin, porphyrins D) oxyhemoglobin, wa...

Pulsed dye lasers are most popular for treating? Ans: Vascular lesions What procedure is the diode laser most effective for? Ans: Laser Hair Removal What is a Q-Switch laser used for? Ans: Tattoo removal What does the laser active medium produce when it is stimulated? Ans: Photons In esthetic practices,what are the most commonly used wavelengths of the electromagnetic spectrum? Ans: Visible light, infrared Ans: visible light What is electromagnetic radiation? Ans:...

Who determines the boundaries of the Nominal Hazard Zone (NHZ)? Ans: The Laser Safety Officer (LSO) Which organization publishes the recommended standards for Safe Use of Lasers in Health Care Facilities in the U.S.? Ans: ANSI American National Standards Institute How often are formal Laser Safety Audits "suggested" to be conducted within a facility (even spas or small offices) to be in compliance with ANSI recommendations? Ans: 1 year Which hazard is probably greater ...

Which best characterizes laser waves: A - Quasichromatic, non-collimated, non-coherent B - Multichromatic, non-collimated, non-coherent C - Monochromatic, collimated, coherent Ans: C - Monochromatic, collimated, coherent A laser pulse cycles between ON for 5 ms and OFF for 20 ms. What is the duty cycle? A - 10% B - 20% C - 25% D - 40% Ans: B - 20% A - CO2 9,250 nm B - THOR Which of the following lasers is used on hard tissue? C - Nd:YAG 1064nm D - Diodes 810-...

layers of skin Ans: Epidermis Dermin Hypodermis Stratumbasale Ans: the only layer where cells divide and reciprocate Melanin Ans: gives the hair and skin color and provides protection from the harmful effects How many melanocytes does everyone have Ans: roughly the same number of melanocytes your genetics is the primary determination fo how melanin if found in the skin Melanocytes Hyperpigmintation hypopigmentation Ans: are actively producing melanin for approximat...

Pulsed dye lasers are most popular for treating? Ans: Vascular lesions What procedure is the diode laser most effective for? Ans: Laser Hair Removal What is a Q-Switch laser used for? Ans: Tattoo removal What does the laser active medium produce when it is stimulated? Ans: Photons In esthetic practices,what are the most commonly used wavelengths of the electromagnetic spectrum? Ans: Visible light, infrared Ans: visible light What is electromagnetic radiation? Ans:...

DNA is made from the building blocks adenine, guanine, cytosine, and... Ans: thymine The number of hydrogen bonds formed between A and T Ans: 2 The number of hydrogen bonds formed between C and G Ans: 3 The cellular process of synthesis of RNA from DNA template is called Ans: Transcription ....are cells which are composed of multiple specialized membrane-bound compartments. Ans: Eukaryotic cells Ans: lipids Broad class of biological macromolecules that are hydrophob...

DNA is made from the building blocks adenine, guanine, cytosine, and... Ans: thymine The number of hydrogen bonds formed between A and T Ans: 2 The number of hydrogen bonds formed between C and G Ans: 3 The cellular process of synthesis of RNA from DNA template is called Ans: Transcription ....are cells which are composed of multiple specialized membrane-bound compartments. Ans: Eukaryotic cells Ans: lipids Broad class of biological macromolecules that are hydrophob...

hydrogen bonds connect each amino acid on one polypeptide strand to a single amino acid on an adjacent strand. Ans: antiparallel beta-sheet The ion-exchange chromatography is used to purify proteins based on protein Ans: charge What amino acids are found in the catalytic triad of chymotrypsin Ans: serine, histidine, and aspartate The structure of normal adult hemoglobin can be described as Ans: a tetramer composed of two αβ dimers. Name the main functions of lipids Ans:...

Southern part of GA is composed mostly of: Ans: -"Coastal plain" -low and sandy Middle part of GA is composed of: Ans: -"Piedmont" Plateau - hills -red clay -pine and hardwood North part of GA is composed of: Ans: -Appalachian Mountains -hardwood forests GA's first settlers were: Ans: Spanish settlers from St. Augustine (est. outposts on St. Cathrine's Island) How were the English able to lay claim to GA? Ans: Charles II granted the Carolina's to 8 ...

Anatomy Ans: the study, classification and description of structures and organs Physiology Ans: explains the processes and functions of the various structures and how they interrelate. Anterior/ ventral Ans: to face forward; the front of the body. Posterior/ dorsal Ans: toward the back. Cranial Ans: toward the head Caudal Ans: toward the distal end of the body Superior Inferior Ans: toward the head or above. Ans: lower, toward the feet or below another. ...

What dietary factors affect orofacial clefts Ans: vitamin A and folic acid Functions of vitamin A (4) Ans: 1. visual cycle 2. growth 3. reproduction 4. maintenance of epithelial cells Different forms of vitamin A Ans: 1. beta- carotene (found in foods, bright colored veggies) 2. retinal/ retinaldehyde: metabolized beta- carotene 3. retinoic acid: from retinal 4. retinol: from retinal 5. retinal palmitate: from retinol Deficiency in vitamin A can lead to... (3) A...

What is the fidelity of reverse transcriptase? What effect does this have on the HIV virus? Ans: since reverse transcriptase is an RNA polymerase, it has impaired proofreading and makes a lot of errors. This causes HIV to undergo constant mutation and be hard to target Why is HIV such a hard virus to target with drugs? Ans: because its reverse transcriptase enzyme is constantly mutating the virus Why is it important to know that HIV encodes a viral reverse transcriptase? Ans:...

how is bacterial metabolism characterized Ans: source of energy and carbon autotrophic metabolism Ans: uses carbon dioxide and fix CO2. cellular energy is either chemoautotroph or photoautotroph chemoautotroph Ans: cellular energy obtained from redox of inorganic ions photoautotroph Ans: cellular energy obtained from harvesting light energy heterotrophic metabolism Ans: sources of energy and carbon are organic carbon sources. most pathogenic bacteria are Ans: hetero...

What are the three main lipids found in the biological membrane? Ans: phospholipids cholesterol glycolipids What does it mean for phospholipids to be amphipathic? How does this relate to their structure? Ans: it means they have both a hydrophilic and a hydrophobic portion. The hydrophilic structure is the phosphate head and side group while the hydrophobic structure is the tail, which contains two fatty acid chains What are three examples of compounds that can be bound to the...

female reproductive system is Ans: cyclical ovary type of gland Ans: endocrine and exocrine ovarian follicles are embedding in the Ans: cellular stroma of cortex primordial follicles are embedded in the Ans: superficial ovarian cortex tunica albuginea type of tissue Ans: dense irregular connective germinal epithelium tissue type Ans: simple cuboidal Ans: primordial follicle Ans: FSH follicle that develops during fetal life and stays until puberty at puberty ...

Antiseptic Ans: a substance that tends to inhibit the growth and reproduction of microorganisms; may be used on humans Asepsis Ans: free of pathogenic organisms Carrier Ans: person or animal who harbors and spreads an organism, causing disease in others but does not itself become ill Centers for Disease Control and Prevention (CDC) Ans: federal agency that provides facilities and services for investigation, identification, prevention, and control of disease. Headquartered...

Convention called in Philadelphia to.... What year? List 2 reasons it was called for: who wanted to destroy? Ans: 1787. Convention to amends the AoC's 1) naturalist wanted to destroy AoC's 2) Virginia delegates introduces James Madison's Idea... aka the Virginia Plan What was the Virginia plan known for being? Who created it? What did it consist of? Outcomes? (2) Ans: the birth of the constitution - James Madison 3 branches of government Outcomes: 1) ma...

Small landowning farm families; fewer than 5 slaves; little education; subsistence farming, "white trash" Ans: Yeoman class Albany Movement Ans: Desegregation movement in Albany, GA; SNCC was involved as well as the NAACP, quickly became a broad-front nonviolent attack on every aspect of segregation within the city. Bus stations, libraries, and lunch counters reserved for White Americans were occupied by African Americans, boycotts were launched, and hundreds of protester...