Which of the following correctly describes the process of hearing?

Vibration of the eardrum is directly transmitted to the eighth cranial nerve, bypassing the inner ear structures.

Sound waves enter the ear canal and are converted to electrical impulses.

Vibration of the eardrum transmits through the bony ossicles to the perilymph in the inner ear, stimulating the eighth cranial nerve.

Sound is transmitted directly from the eardrum to the brain.

Answer and Explanation

The Correct Answer is C

Choice A rationale

Vibration of the eardrum is not directly transmitted to the eighth cranial nerve, bypassing the inner ear structures. The vibrations from the eardrum are first transmitted through the ossicles (tiny bones in the middle ear) to the cochlea in the inner ear.

Choice B rationale

Sound waves enter the ear canal, but they are not directly converted to electrical impulses. The sound waves cause the eardrum to vibrate, and these vibrations are transmitted through the ossicles to the cochlea, where they are converted into electrical signals that are sent to the brain via the eighth cranial nerve.

Choice C rationale

Vibration of the eardrum transmits through the bony ossicles to the perilymph in the inner ear, stimulating the eighth cranial nerve. This is the correct description of the process of hearing.

Choice D rationale

Sound is not transmitted directly from the eardrum to the brain. The sound-induced vibrations of the eardrum are transmitted through the ossicles to the cochlea, where they are converted into electrical signals that are sent to the brain via the eighth cranial nerve.

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Correct Answer is C

Explanation

Rationale:

When administering multiple liquid medications through an NG tube, it’s important to administer each medication separately to prevent drug interactions. After each medication, the NG tube should be flushed with 30 mL of water to ensure that the medication has been fully administered and to prevent the tube from becoming clogged.

A. Full-thickness skin loss with visible bone. B. Full-thickness skin loss with visible adipose tissue. C. Skin remains intact with localized erythema. D. Partial-thickness skin loss with red tissue in the wound bed.

Correct Answer is C

Explanation

Choice A rationale

Full-thickness skin loss with visible bone is characteristic of a stage 4 pressure injury, not a stage 1 pressure injury.

Choice B rationale

Full-thickness skin loss with visible adipose tissue is characteristic of a stage 3 pressure injury, not a stage 1 pressure injury.

Choice C rationale

In a stage 1 pressure injury, the skin remains intact with localized erythema. The area may be painful, firm, soft, warmer, or cooler compared to adjacent tissue.

Choice D rationale

Partial-thickness skin loss with red tissue in the wound bed is characteristic of a stage 2 pressure injury, not a stage 1 pressure injury.

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Which of the following correctly describes the process of hearing?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer three liquid medications to a client who has an NG feeding tube with continuous enteral feedings. Which of the following actions should the nurse take?

Correct Answer is C

Explanation

A nurse is evaluating a patient who has a stage 1 pressure injury. What findings should the nurse anticipate?

Correct Answer is C

Explanation

The nurse notes that a patient has a black pressure ulcer on the left hip. Which event will the nurse anticipate when planning care for this patient?

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A nurse is caring for a patient who receives intermittent enteral feedings through an NG tube.Before administering a feeding, the nurse should measure the gastric residual for which of the following purposes?