A 45-year-old farmer comes in for skin evaluation and complains of hair loss. He has noticed that the hair on his head seems to be breaking off in patches and that there is some scaling on his scalp. The nurse would begin the examination suspecting:

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Question 1 of 9

A 45-year-old farmer comes in for skin evaluation and complains of hair loss. He has noticed that the hair on his head seems to be breaking off in patches and that there is some scaling on his scalp. The nurse would begin the examination suspecting:

Correct Answer: A

Rationale: The correct answer is A: tinea capitis. Tinea capitis is a fungal infection of the scalp that can cause hair loss, scaling, and breakage of hair. In this case, the patient's symptoms of hair loss, patchy hair breakage, and scaling on the scalp are consistent with tinea capitis. The nurse should suspect tinea capitis based on the presentation of these specific symptoms in the patient. Summary: - B: tinea corporis is a fungal infection of the skin, not the scalp, so it is not the most likely cause of the patient's symptoms. - C: toxic alopecia refers to hair loss due to exposure to toxins, which is unlikely in this case based on the symptoms described. - D: seborrheic dermatitis is a common skin condition that causes redness, scaly patches, and dandruff on the scalp, but it does not typically cause hair loss in the same way as tinea capitis

Question 2 of 9

During the assessment of a 20-year-old patient with a 3-day history of nausea and vomiting, the nurse notes the following: dry mucosa and deep fissures in the tongue. This finding is indicative of:

Correct Answer: A

Rationale: The dry mucosa and deep fissures in the tongue indicate dehydration in the patient. Dehydration causes decreased saliva production, leading to dry mouth and tongue fissures. This is a common symptom of dehydration. The lack of moisture in the oral cavity can result in these physical signs. The other choices are incorrect because irritation by gastric juices typically presents with other symptoms, a normal oral condition would not show these specific findings, and side effects of nausea medication would not directly cause dry mucosa and deep fissures in the tongue. Therefore, the correct answer is A: dehydration.

Question 3 of 9

The nurse has just completed a lymph assessment on a 60-year-old healthy female patient. The nurse knows that most lymph nodes in healthy adults are normally:

Correct Answer: B

Rationale: The correct answer is B: not palpable. In healthy adults, most lymph nodes are not palpable as they are typically small and not easily detectable through touch. This indicates normal lymphatic function and absence of significant inflammation or infection. Choices A, C, and D describe characteristics of abnormal lymph nodes, such as being shotty, large/firm/fixed, or rubbery/discrete/mobile, respectively, which are indicative of pathological conditions like infection, malignancy, or inflammation. Therefore, the absence of palpable lymph nodes in a healthy individual is the expected norm.

Question 4 of 9

The mother of a 2-year-old is concerned because her son has had three ear infections in the past year. Which of the following would be an appropriate response by the nurse?

Correct Answer: D

Rationale: The correct answer is D because it provides an accurate explanation for the frequent ear infections in the 2-year-old. The eustachian tube in children is indeed shorter and wider compared to adults, making it easier for infections to develop. This anatomical difference predisposes young children to ear infections. Choice A is incorrect because it falsely implies that frequent ear infections in small children are unusual only if something else is wrong. Choice B is incorrect as checking the immune system is not typically the first step in addressing recurrent ear infections. Choice C is incorrect as cerumen (earwax) does not directly contribute to ear infections in the middle ear.

Question 5 of 9

The projections in the nasal cavity that increase the surface area are called the:

Correct Answer: C

Rationale: The correct answer is C: turbinates. Turbinates are bony projections in the nasal cavity that increase the surface area for the warming, humidifying, and filtering of inhaled air. Meatus (A) refers to the passages in the nasal cavity, not the projections. Septum (B) is the partition between the nostrils, not the projections. Kiesselbach's plexus (D) is a collection of blood vessels in the nasal septum, not the projections that increase surface area.

Question 6 of 9

During a checkup, a 22-year-old woman tells the nurse that she uses an over-the-counter nasal spray for her allergies. She also reports that it does not work as well as it used to. The best response by the nurse would be:

Correct Answer: D

Rationale: The correct answer is D because over-the-counter nasal sprays, especially those containing decongestants, can lead to rebound swelling when used for an extended period. Rebound swelling occurs when the nasal passages become more congested after the effects of the medication wear off. This can result in a cycle of dependency on the nasal spray to alleviate symptoms, leading to worsening congestion over time. It is important for the nurse to educate the patient about this potential risk and suggest alternative treatment options to address her allergies effectively without causing rebound swelling. Choices A, B, and C are incorrect because: A: Incorrect, as not all over-the-counter nasal sprays carry a risk of addiction. B: Incorrect, as switching to another brand may not address the underlying issue of rebound swelling. C: Incorrect, as continuous use of the nasal spray without addressing rebound swelling can exacerbate the problem.

Question 7 of 9

The nurse is testing a patient's visual accommodation, which refers to:

Correct Answer: A

Rationale: Visual accommodation refers to the ability of the eye to adjust focus when shifting gaze between objects at different distances. The correct answer is A, pupillary constriction when looking at a near object, as this is a key component of visual accommodation. When looking at a near object, the eye needs to adjust its focus by constricting the pupil to allow more depth of field and clearer vision. This process helps in bringing near objects into focus. Choices B, C, and D are incorrect: B: Pupillary dilation when looking at a far object is not related to visual accommodation, as the pupil dilates in low light conditions to allow more light to enter the eye. C: Changes in peripheral vision in response to light is not related to visual accommodation, as peripheral vision refers to the ability to see objects outside the direct line of sight. D: Involuntary blinking in the presence of bright light is a protective reflex to shield the eyes from excessive light and is not directly related to visual

Question 8 of 9

A 17-year-old student is a swimmer on her high school's swim team. She has had three bouts of otitis externa so far this season and wants to know how to prevent it. The nurse instructs her to:

Correct Answer: B

Rationale: Correct Answer: B Rationale: 1. Rubbing alcohol or 2% acetic acid eardrops help to maintain the pH balance in the ear canal, making it less conducive to bacterial growth. 2. These eardrops also help to dry out excess moisture, reducing the risk of otitis externa. 3. By using these eardrops after every swim, the student can prevent the recurrence of otitis externa. Summary of other choices: A: Using a cotton-tipped swab can push wax deeper into the ear canal, increasing the risk of infection. C: Irrigating the ears can introduce water into the ear canal, potentially worsening the condition. D: Mineral oil and hydrogen peroxide can be harsh on the delicate skin of the ear canal, causing irritation.

Question 9 of 9

When a light is directed across the iris of the eye from the temporal side, the examiner is assessing for:

Correct Answer: C

Rationale: The correct answer is C: the presence of shadows, which may indicate glaucoma. When a light is directed across the iris from the temporal side, it helps in evaluating the presence of shadows in the anterior chamber angle, which can suggest a narrow or closed angle glaucoma. This technique is known as transillumination test and is important in detecting potential glaucoma cases. A: Drainage from dacryocystitis is incorrect as it is typically assessed by pressing on the lacrimal sac area to observe for discharge. B: Conjunctivitis over the iris is incorrect as conjunctivitis is an inflammation of the conjunctiva, not the iris. D: A scattered light reflex indicative of cataracts is incorrect as cataracts cause clouding of the lens, not scattering of light across the iris.

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