Earplugs Study guides, Class notes & Summaries

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. ...

hertz is a unit of: Correct Answer-sound frequency decibel is a unit of: Correct Answer-sound intensity the frequency of sound is perceived as: Correct Answer-pitch what is the first thing you should do when fitting earplugs? Correct Answer-a. pull the top of the ear to align the ear canal b. roll the earplug down into a tight, crease-free cylinder c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS d. insert the earplug deep into the ear canal hearing tests do not have to be conducted in a...

One of the problems with the old method of using cotton earplugs was the cerumen. Cerumen is also detrimental to some of the modern earplugs. What is cerumen? A. Ear canal hair cells B. Earwax. C. Fluids secreted by the cochlea D. Secretions of the hypothalamus CORRECT ANSWER B The cochlea is essentially a coiled tube. At one end of the tube is the oval window. The function of the oval window is to: A. receive the vibrations from the eardrum. B. shield the semicircular canals from inter...

MRSO: Exam mark (Answered 100% Correctly) MRSO: Exam mark (Answered 100% Correctly) Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation b. Lenz's force What is the FDA SAR limit for the whole body in first level controlled operating mode? a. 8 W/kg for 15 mins b. 4 W/kg for 15 mins c. 3 W/kg for 10 mins d. 7 W/kg for 20 mins b. 4 W/kg for 15 mins Gadolinium...

CAOHC Exam Prep Questions and Answers Already Passed hertz is a unit of: sound frequency decibel is a unit of: sound intensity the frequency of sound is perceived as: pitch what is the first thing you should do when fitting earplugs? a. pull the top of the ear to align the ear canal b. roll the earplug down into a tight, crease-free cylinder c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS d. insert the earplug deep into the ear canal hearing tests do not have to be conducted in a...

hertz is a unit of: - Answer-sound frequency decibel is a unit of: - Answer-sound intensity the frequency of sound is perceived as: - Answer-pitch what is the first thing you should do when fitting earplugs? - Answer-a. pull the top of the ear to align the ear canal b. roll the earplug down into a tight, crease-free cylinder c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS d. insert the earplug deep into the ear canal hearing tests do not have to be conducted in a sound booth as long as ...

MRSO Mock Test 1What pulse sequence will produce the most patient heating? A. Inverse recovery sequence B. Single shot fast spin echo C. Conventional spin echo D. Gradient Echo - correct answer B. Single shot fast spin echo During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is this artifact called? A. Magnetohydrodynamic Effect B. Excitation C. Teratogenesis D. Magnetophosphenes - correct answer A. Magnetohyrdodynamic Effect When can heatin...

MRSO Mock Test 1|Questions and Answers, 100% Correct| 2024 MRSO Mock Test 1|Questions and Answers, 100% Correct| 2024 What pulse sequence will produce the most patient heating? A. Inverse recovery sequence B. Single shot fast spin echo C. Conventional spin echo D. Gradient Echo B. Single shot fast spin echo During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is this artifact called? A. Magnetohydrodynamic Effect B. Excitation C. Teratogenesis ...

Kaplan and Sadock's Synopsis of Psychiatry 12th Edition Test Bank. A patient with depression mentions to the nurse, My mother says depression is a chemical disorder. What does she mean? The nurses response is based on the theory that depression primarily involves which of the following neurotransmitters? 1. Cortisol and GABA 2. COMT and glutamate 3. Monamine and glycine 4. Serotonin and norepinephrine 2. A patient has experienced a stroke (cerebral vascular accident) that has resulted ...

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 are corre...