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Earplugs A-Aid equalization of the middle of the ear B- Protect against cold C-Should never be worn while diving D-Protect ears from squeeze C The first symptom of a sinus squeeze is usually: A- a dull pain deep within the head B- a sharp pain at the base of the neck C- a crushing pain high in the chest D- a sharp pain above the eyes D One atmosphere of pressure is defined as: A-Each 34 ft of depth in freshwater B-Each 33 ft of depth in seawater C-1 ata D- all answers...

The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: -A: 2 ata -B:1 ata -C: 4 ata -D: 3 ata A: 2 ata Gauge pressure is defined as: -A: Hydrostatic pressure minus 1 ata -B: The pressure at the surface -C: The depth reading on a gauge -D: Absolute pressure minus 1 ata D: Gauge pressure is defined as Absolute pressure minus 1 ata The first symptom of a sinus squeeze is usually: -A: a dull pain deep within the head -B: a sharp pai...

The purpose of equalization is to Introduce additional air into body air spaces in response to increasing external pressure Body heat is lost ________ than in air 25 to 30 times faster The absolute pressure expressed in terms of atmospheres absolute at 99 feet in salt water 4 ata One atmosphere of pressure is defined as - Each 34 feet of depth in freshwater - 1 ata - Each 33 feet of depth in sea water Describing diving with the acronym SCUBA came from what event...

Describing diving with the acronym SCUBA came from what event? The development of the demand regulator in 1943. Earplugs: Should never be worn while diving. If a flexible air-filled container has a volume of 40 cu ft on the surface, what would the volume be at 99 feet in sea water? (rounded off) 10 cu Absolute pressure is defined as: The total pressure exerted on an object. The greatest relative pressure change in sea water takes place between ____ and ____ feet. ...

The term Surface Interval is defined as: The amount of time a diver stays out of the water or on the surface between dives. The most serious lung over expansion injury is: Arterial Gas Embolism Diving at altitude or flying after diving: Requires special diving computer functions, altitude tables and/or refraining from flying for at least 24 hours after the completion of a dive If a diver is injured by harmful sea life, it is usually because of: A. The diver's negligence...

Which of the statements concerning sound transmission underwater is incorrect? -Sound will travel farther underwater then in air -Divers find it difficult to locate the direction of a sound producing source -Divers find it easy to talk to each other directly through water -Sound travels four times faster underwater than in air -Divers find it easy to talk to each other directly through water The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: ...

Which of the statements concerning sound transmission underwater is incorrect? -A: Sound will travel farther underwater then in air -B: Divers find it difficult to locate the direction of a sound producing source -C: Divers find it easy to talk to each other directly through water -D: Sound travels four times faster underwater than in air C The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: -A: 2 ata -B:1 ata -C: 4 ata -D: 3 ata A ...

Which of the statements concerning sound transmission underwater is incorrect? -A: Sound will travel farther underwater then in air -B: Divers find it difficult to locate the direction of a sound producing source -C: Divers find it easy to talk to each other directly through water -D: Sound travels four times faster underwater than in air C The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: -A: 2 ata -B:1 ata -C: 4 ata -D: 3 ata A ...

What is the most common anesthesia related complication in the OS office? Airway obstruction What is the earliest change in vital signs following airway obstruction? tachycardia with an increase in respiratory rate What is the most common cause of obstruction in the upper airway? the tongue What is the best position of the patient's head and neck for airway maintenance? neck slightly extended, mandible supported in a forward position What is a Laryngospasm? a pr...

Why do you pull back on the plunger of a local anesthetic before injecting? Helps avoid injecting local anesthetic directly into a blood vessel Why are local anesthetics combined with vasoconstrictors? To slow uptake and reduce toxicity, to increase duration, and decrease bleeding at surgical site What is the most common side effect of propofol (Diprivan)? Decreases blood pressure What are two of the most common vasoconstrictors added to local anesthetics? epinephrine an...

Name the 4 valves in the heart Tricuspid valve Aortic Valve Mitral Valve pulmonic Valve Where is the Tricuspid valve located? Between the right atrium and right ventricle Where is the Mitral valve located? Between the left atrium and the left ventricle Where is the Aortic valve located? Between the aorta and the heart's left ventricle Where is the pulmonic valve located? Between the" right ventricle and the pulmonary artery What is the function of val...

A patient who is a 72 year old male presents for his implant surgery. He has a history of an MI 6 years ago with angioplasty and a stent. He tells you that he stopped his aspirin a week ago (not instructed by his physician but he just did that on his own). Before you start, he complains of a vague chest pain, almost like indigestion, but it is radiating to his left arm. He is also diaphoretic (sweating). Your diagnosis (what is causing it) for this patient is: Angina, possible heart attack (MI)...

Deoxygenated blood flows from the right ventricle into: the pulmonary artery Blood flow from the right side of the heart to the left side of the heart is called: pulmonary circulation The heart contracts to pump blood during: systole Blood flows from the heart through the body in the following order: arteries, arterioles, capillaries, venues, veins AACVV Oxygen is carried in the blood primarily: on the hemoglobin molecule Oxygen depleted blood is found ...

HISM (D033): Chapter 15 exam 2023 with 100% correct answers

A scientist proposes that sugar is inherently fattening, independent of its calorie content. If that proposal is true, then what would mean that high sugar diets should increase fat gain independent of their calorie content. What term describes this potential consequences? Prediction Scientists find that a protein supplement increases lean mass in the elderly. However, they caution that the results may not apply to other populations, like younger people. What term best describes what the...

Scientists randomly assign subjects to a low or high carbohydrate group and then look at changes in body weight over 3 months. Which item represents the independent variable in this study? diet type a CNC can provide clients non-medical nutrition information & behavior change true every region requires that a nutrition coach work under the supervision of a registered dietitian false the CNC can provide specific meal plans for clients false the CNC can recommend sp...

According to the SCOFF eating disorder assessment, what is the minimum number of positive answers which might indicate an eating disorder? A. 1 B. 2 C. 3 D. 5 B. 2 Vitamin B9 Folic Acid (Folate) According to the scope of practice for a Nutrition Coach, which is an example of an appropriate resource for determining daily caloric intake? a. ADA calculations based on age, gender, and activity level b. The Nutrition Coach cannot assist with daily caloric intake. c. Body ty...

When working with a client who has been complaining of low back pain that has been getting worse, what is the most appropriate recommendation? A. Refer her to a certified personal trainer. B. Tell her to use a heating pad when the pain gets bad. C. Refer her to a chiropractor. D. Recommend use of over-the-counter anti-inflammatory medications. C. Refer her to a chiropractor. With which client would it be most appropriate for the Nutrition Coach to work? A. Elite clients competin...

a CNC can provide clients non-medical nutrition information & behavior change true every region requires that a nutrition coach work under the supervision of a registered dietitian false the CNC can provide specific meal plans for clients false the CNC can recommend specific supplements false the CNC can offer advice on eating behaviors/macronutrients that are known to reduce risk of disease or slow disease progression true a thorough assessment can help r...

phonics the study of the relationships between letters and the sounds they represent phonemic awareness the conscious awareness of the individual speech sounds (consonants and vowels) in spoken syllables and the ability to consciously manipulate those sounds orthography a writing system for representing language; how words are spelled, spaced, and punctuated morphophonemic a deep alphabetic writing system organized by both "sound-symbol" correspondences and morphology ...