After a bone density test, an older adult female client tells the nurse, "I don't understand why I have osteoporosis because I eat well and take my calcium." What does the nurse explain as the reason that the client may have osteoporosis?

The loss is from withdrawal of estrogen and a decrease in activity levels.

Everyone gets osteoporosis and there is nothing you can do to prevent it.

In order to prevent bone loss, women have to take hormones.

Men lose more bone mass than women but women still lose some.

Answer and Explanation

The Correct Answer is A

Primary osteoporosis in postmenopausal women is primarily driven by the cessation of ovarian function, which leads to a significant decline in estrogen. Estrogen normally inhibits the activity of osteoclasts, the cells responsible for bone resorption; without it, bone breakdown outpaces bone formation. Additionally, age-related declines in mechanical loading through physical activity further accelerate the loss of bone mineral density.

A. The loss is from withdrawal of estrogen and a decrease in activity levels: The loss of estrogen's protective effect on the skeleton leads to an accelerated phase of bone remodeling and porosity. Even with adequate calcium intake, the body's ability to maintain the bone matrix is compromised by hormonal shifts and sedentary behavior. This explanation addresses the underlying pathophysiology of postmenopausal bone thinning.

B. Everyone gets osteoporosis and there is nothing you can do to prevent it: This statement is factually incorrect and dismissive of preventive healthcare strategies. While some bone loss is a natural part of aging, osteoporosis is a distinct pathological state that can be mitigated. Lifestyle interventions, such as weight-bearing exercise and vitamin D supplementation, are effective in reducing fracture risk.

C. In order to prevent bone loss, women have to take hormones: While hormone replacement therapy (HRT) can be effective, it is not the only method for managing bone density. Bisphosphonates, selective estrogen receptor modulators, and calcitonin are non-hormonal pharmacological options available to patients. This statement is overly restrictive and ignores a wide range of evidence-based clinical treatments.

D. Men lose more bone mass than women but women still lose some: Epidemiological data shows that women actually lose bone mass more rapidly than men, especially during the first decade after menopause. Men generally start with a higher peak bone mass and do not experience a sudden, sharp decline in sex hormones. This response provides the client with inaccurate comparative statistics regarding gender-based bone loss.

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Correct Answer is C

Explanation

Compartment syndrome is a surgical emergency where increased interstitial pressure within a closed fascial space compromises neurovascular perfusion. This leads to muscle ischemia and eventual necrosis if the pressure is not relieved via an emergent fasciotomy. The hallmark clinical sign is pain out of proportion to the injury that is not relieved by standard analgesic medications.

A. Arrange for a STAT assessment of the client's serum calcium levels: Calcium imbalances can cause muscular tetany but are not the underlying cause of compartment hypertension following a traumatic fracture. Monitoring electrolytes does not address the mechanical obstruction of blood flow within the humeral muscle groups. This action delays the critical intervention needed to salvage the limb from ischemic death.

B. Perform active range of motion exercises: Attempting to move the affected limb increases the pressure within the compartment and exacerbates the ischemic pain. Passive stretching of the muscles is used as a diagnostic test to elicit pain, but active exercise is contraindicated. Physical exertion during a suspected vascular crisis further depletes the minimal oxygen available to the dying tissues.

C. Contact the primary provider immediately: The nurse must provide a rapid notification because the window for tissue salvage is typically less than 6 hours. This allows the surgeon to perform a fasciotomy to decompress the area and restore arterial and venous circulation. Delaying this communication can result in permanent nerve damage, Volkmann's contracture, or the need for amputation.

D. Assess the client's joint function symmetrically: While bilateral assessment is a standard nursing practice, it is a secondary priority when the clinical symptoms of compartment syndrome are already present. Symmetrical comparison will confirm the deficit but does not alter the immediate need for surgical consultation. The nurse should focus on documenting paresthesia and pulselessness while awaiting the provider’s arrival.

A. Creatinine B. Cholesterol C. Hemoglobin D. Ketones

Correct Answer is D

Explanation

In the absence of insulin, the body shifts from carbohydrate metabolism to lipolysis for energy production. This metabolic pathway releases free fatty acids into the liver, where they undergo beta-oxidation to form acidic compounds. The resulting ketonemia lowers blood pH, leading to metabolic acidosis, and eventually manifests as ketonuria as the kidneys attempt to clear the excess.

A. Creatinine: This is a waste product of muscle metabolism and is used primarily as a biomarker for glomerular filtration rates. It does not relate to fat breakdown or the immediate absence of insulin. While its levels may rise during acute kidney injury associated with severe dehydration, it is not a direct ketogenic byproduct.

B. Cholesterol: This lipid molecule is a structural component of cell membranes and a precursor for steroid hormones. While diabetic patients often have dyslipidemia, cholesterol is not a byproduct of acute fat catabolism for energy. It does not accumulate in the urine under normal physiological conditions or during acute metabolic decompensation.

C. Hemoglobin: This is the iron-containing protein in erythrocytes responsible for oxygen transport throughout the circulatory system. It is not involved in the metabolic breakdown of adipose tissue or the fuel-selection process. Its measurement in diabetes is typically limited to monitoring glycated fractions to assess long-term glucose management over 3 months.

D. Ketones: These acidic molecules, including acetoacetate and beta-hydroxybutyrate, are the direct result of rapid, incomplete fat metabolism. Their accumulation causes the "fruity" breath odor and high anion gap metabolic acidosis characteristic of diabetic ketoacidosis. Detecting these in the blood and urine is essential for diagnosing acute insulin deficiency.

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After a bone density test, an older adult female client tells the nurse, "I don't understand why I have osteoporosis because I eat well and take my calcium." What does the nurse explain as the reason that the client may have osteoporosis?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client has had a cast placed for the treatment of a humeral fracture. The nurse's most recent assessment shows signs and symptoms of compartment syndrome. What is the nurse's most appropriate action?

Correct Answer is C

Explanation

Which is a by-product of fat breakdown in the absence of insulin and accumulates in the blood and urine?

Correct Answer is D

Explanation

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