Earplugs - Study guides, Class notes & Summaries

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 -Answer- 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 -Answe...

COHN CLINICIAN EXAM 2024 WITH 100% ACCURATE SOLUTIONS 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 fr...

COHN CLINICIAN EXAM 2024 WITH 100% ACCURATE SOLUTIONS 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 fr...

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 - Answer- 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 - Answer- 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 ...

PADI Open Water Exam Questions with All Correct Answers SCUBA - ANSWER Self contained underwater breathing apparatus What is the pressure change for each 10m/33ft of depth change? - ANSWER 1 bar/1 ata/1 atmosphere What is the relationship between my depth in water and the pressure? - ANSWER The deeper you go in water, the more the pressure increases Pressure is expressed as the weight of air What is the relationship between pressure, and the volume and the density...

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 int...

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 - 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 interference. C. ...

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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 ...

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...