Low-density lipoproteins (LDLs) are the so-called "bad" lipoproteins. Which statement best reflects why high levels of LDL are considered unhealthy?
There is an increased risk of hyperthyroidism.
There is an increased risk of heart disease.
There is the possibility of digestive problems.
There is an increased risk of rhabdomyolysis.
The Correct Answer is B
A) There is an increased risk of hyperthyroidism:
High levels of LDL cholesterol are not associated with hyperthyroidism. Hyperthyroidism is a condition related to an overactive thyroid gland, which affects metabolism and hormone levels but does not directly impact LDL cholesterol levels.
B) There is an increased risk of heart disease:
LDL cholesterol, often referred to as "bad cholesterol," contributes to the buildup of fatty plaques in the walls of arteries, a process known as atherosclerosis. This buildup can narrow and harden the arteries, leading to reduced blood flow and increasing the risk of heart disease, including conditions such as coronary artery disease, heart attack, and stroke. High LDL levels are considered one of the most significant modifiable risk factors for cardiovascular disease.
C) There is the possibility of digestive problems:
While very high cholesterol levels can sometimes contribute to the formation of gallstones, high LDL cholesterol levels are not directly linked to digestive problems. The primary concern with high LDL is its contribution to cardiovascular disease rather than digestive health.
D) There is an increased risk of rhabdomyolysis:
Rhabdomyolysis is a condition caused by the breakdown of muscle tissue, which can lead to the release of muscle proteins into the bloodstream. While certain medications used to lower cholesterol, such as statins, can cause muscle pain and, in rare cases, lead to rhabdomyolysis, high LDL itself is not a direct cause of rhabdomyolysis. The main health concern with high LDL is its contribution to heart disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D","E"]
Explanation
A) Anticoagulants:
Anticoagulants, such as warfarin, heparin, and direct oral anticoagulants (DOACs), are specifically designed to prevent the formation of blood clots or to treat existing clots. They work by interfering with various stages of the clotting cascade, either by inhibiting clotting factors or by enhancing the effects of natural anticoagulants in the body.
B) Antihypertensives:
Antihypertensives, such as ACE inhibitors, beta blockers, and calcium channel blockers, are used to lower high blood pressure by relaxing blood vessels, reducing heart rate, or decreasing fluid retention. While antihypertensives can reduce the overall strain on the heart and blood vessels, they do not have an impact on the clotting process and are not designed to interfere with blood coagulation.
C) Antibiotics:
Antibiotics, such as penicillin or amoxicillin, target bacteria and prevent their growth or kill them, but they do not affect the clotting mechanisms in the blood.
D) Antipyretics:
Antipyretics, such as acetaminophen (Tylenol) or ibuprofen, work by lowering the body's set point temperature in the hypothalamus, helping to relieve fever. They do not affect the clotting cascade or the ability of blood to form clots, so antipyretics are a correct answer.
E) Antiemetics:
Antiemetics, such as ondansetron or metoclopramide, are used to prevent or treat nausea and vomiting. They primarily work by blocking the receptors in the brain that trigger nausea and vomiting but do not have an effect on the clotting process. Thus, antiemetics are a correct answer.
Correct Answer is D
Explanation
Rationale:
Ordered Dose:
The prescription is for 12 mg of Celestone Soluspan (betamethasone) IM every 24 hours for 2 doses.
Available Dose (from label): The vial contains 6 mg/mL.
Dosage Calculation: Using the formula:
Volumetoadminister(mL) = Availableconcentration(mg/mL) / Ordereddose(mg)
Volumetoadminister = 12mg / 6mg/mL = 2 mL
Administration Route:
The order specifies IM (intramuscular) administration, aligning with the label instructions.
Thus, 2 mL IM is the correct dosage to administer.
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