A physician orders Lithium 1.2 grams/day in three divided doses PO for a client with bipolar disorder. The medication is supplied as 300 mg/5 mL. How much will the nurse administer per dose?
(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["6.7"]
Step 1: Convert the total daily dose from grams to milligrams. 1.2 grams × 1000 = 1200 milligrams Result: 1200 milligrams
Step 2: Divide the total daily dose by the number of doses per day to find the dose per administration. 1200 milligrams ÷ 3 = 400 milligrams per dose Result: 400 milligrams per dose
Step 3: Determine how many milliliters are needed for each dose. The medication is supplied as 300 mg/5 mL. 400 milligrams ÷ 300 milligrams = (400 ÷ 300) = 1.3333 Result: 1.3333
Step 4: Multiply the result by the volume (5 mL) to find the volume needed per dose. 1.3333 × 5 mL = 6.6665 mL Result: 6.6665 mL
Step 5: Round the result to the nearest tenth. 6.6665 mL rounded to the nearest tenth = 6.7 mL Result: 6.7 mL
The nurse will administer 6.7 mL per dose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
a. Several visits of the same child with varied injuries.
Explanation of Choices
Choice A Reason: Several Visits of the Same Child with Varied Injuries
This scenario raises the highest suspicion of child abuse. Multiple visits with different injuries can indicate a pattern of harm rather than isolated accidents. Healthcare providers are trained to recognize that varied injuries over time, especially in different stages of healing, can be a red flag for abuse. This pattern suggests that the child may be experiencing ongoing harm rather than a single incident. The nurse should conduct a thorough assessment and consider involving child protective services to ensure the child’s safety.
Choice B Reason: A 5-Year-Old Child Who Broke His Arm and Clings to Mother Crying
While a broken arm in a child can be concerning, it is not uncommon for children to sustain such injuries during play or accidents. The child’s emotional response of clinging to the mother and crying is also typical for a young child in pain and distress. This scenario alone does not strongly indicate abuse without additional context or evidence. However, the nurse should still assess the situation carefully and consider any other signs or patterns that might suggest abuse.
Choice C Reason: A 1-Year-Old Child Who Has a Dislocated Shoulder from Arm Swinging
A dislocated shoulder in a 1-year-old is unusual and can be concerning. While it could result from an accident, such as arm swinging, it is also a potential sign of abuse, especially if the explanation does not match the injury. The nurse should investigate further, considering the child’s medical history and any other signs of potential abuse. However, this scenario alone does not provide as strong an indication of abuse as multiple varied injuries.
Choice D Reason: Repeated Visits of the Same Child with Middle Ear Infections
Repeated visits for middle ear infections are common in young children and are typically related to medical issues rather than abuse. Middle ear infections can occur frequently in children due to their anatomy and immune system development. This scenario does not raise immediate concerns about abuse unless there are other signs or patterns of harm. The nurse should focus on providing appropriate medical care and monitoring the child’s health.
Correct Answer is ["A","B","C","E"]
Explanation
The correct answer is
a. Amenorrhea
b. Dental erosion
c. Dry oral mucosa
e. Presence of lanugo
Choice A Reason:
Amenorrhea is the absence of menstruation. It is a common finding in individuals with bulimia nervosa due to hormonal imbalances caused by malnutrition and extreme weight loss. The body’s reproductive system can be significantly affected by the lack of essential nutrients, leading to disruptions in the menstrual cycle. Additionally, the stress and anxiety associated with bulimia can further contribute to amenorrhea. In clinical practice, amenorrhea is often used as an indicator of the severity of an eating disorder and the need for medical intervention.
Choice B Reason:
Dental erosion is another expected finding in clients with bulimia nervosa. Frequent self-induced vomiting exposes the teeth to stomach acid, which can erode the enamel and lead to significant dental problems. Over time, this acid exposure can cause the teeth to become sensitive, discolored, and more prone to cavities and decay. Dental erosion is often one of the first physical signs that healthcare providers notice in individuals with bulimia, and it can serve as a critical clue in diagnosing the disorder. Regular dental check-ups and proper oral hygiene are essential for managing this condition.
Choice C Reason:
Dry oral mucosa is a common symptom in individuals with bulimia nervosa. The frequent vomiting and dehydration associated with the disorder can lead to a dry mouth. Additionally, the use of diuretics and laxatives, which are sometimes abused by individuals with bulimia, can further contribute to dehydration and dry oral mucosa. This condition can cause discomfort, difficulty swallowing, and an increased risk of oral infections. Proper hydration and oral care are crucial for managing dry oral mucosa in clients with bulimia nervosa.
Choice D Reason:
Icteric sclera refers to the yellowing of the whites of the eyes, typically associated with liver dysfunction or jaundice. This is not a common finding in individuals with bulimia nervosa and is not directly related to the disorder. While bulimia can have various physical effects on the body, icteric sclera is not one of the expected findings. If a client with bulimia presents with icteric sclera, it would warrant further investigation to determine the underlying cause, which may be unrelated to the eating disorder.
Choice E Reason:
Presence of lanugo is the growth of fine, soft hair on the body, which is a common finding in individuals with eating disorders, including bulimia nervosa. Lanugo develops as the body’s response to extreme weight loss and malnutrition, as it attempts to conserve heat and energy. This fine hair can appear on the face, arms, and other areas of the body. The presence of lanugo is a sign of severe malnutrition and indicates the need for immediate medical intervention to address the underlying eating disorder and restore proper nutrition.
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