The nursing student is taking an anatomy and physiology class. What anatomical structure equalizes air pressure in the middle ear?
Eustachian tube.
The malleus.
The pinna.
The meatus.
The Correct Answer is A
Eustachian tube. The Eustachian tube is a narrow tube that connects the middle ear to the back of the nose and equalizes air pressure in the middle ear.
B. The malleus is a bone in the middle ear that transmits sound vibrations.
C. The pinna is the visible part of the ear that collects and directs sound waves.
D. The meatus is a passage or opening leading to the ear or nose.
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Related Questions
Correct Answer is C
Explanation
Tendon. A tendon is a fibrous connective tissue that connects muscle to bone. Musculoskeletal injuries that involve tendons can result from overuse, trauma, or degeneration. Tendinitis, for example, is a common condition characterized by inflammation of a tendon.
Choice A, Joint, is incorrect because a joint is the point of articulation between two or more bones.
Choice B, Cartilage, is incorrect because cartilage is a tough, flexible connective tissue that cushions joints and supports various structures in the body.
Choice D, Ligament, is incorrect because a ligament is a fibrous connective tissue that connects bone to bone and provides stability to joints.
Correct Answer is B
Explanation
Provide the client with warm fluids. Shivering is the body's natural response to try to warm itself up. Providing warm fluids to the client can help to increase the client's core temperature and decrease shivering.
Choice A is incorrect because a hypothermia blanket is used to reduce the client's core temperature, which is not appropriate for a client who is shivering.
Choice C is incorrect because a light blanket may not provide enough warmth for the client who is shivering.
Choice D is incorrect because the room temperature should be kept warm to prevent the client from getting colder and shivering more.
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