Males are more likely than females to be affected by:
Autosomal-recessive disorders
Autosomal-dominant disorders
Chromosomal nondisjunction
X-linked (Sex) disorders
The Correct Answer is D
Choice A reason: Autosomal-recessive disorders affect both males and females equally because the gene in question is located on one of the autosomes (non-sex chromosomes). Each individual has two copies of each autosomal gene, one from each parent. An autosomal-recessive disorder manifests when an individual inherits two copies of a mutant gene, one from each parent. Therefore, gender does not influence the likelihood of being affected.
Choice B reason: Autosomal-dominant disorders also affect both males and females equally. These disorders occur when a single copy of a mutant gene on an autosome is sufficient to cause the disorder. Since autosomes are present in both males and females equally, the likelihood of inheriting an autosomal-dominant disorder is not influenced by gender.
Choice C reason: Chromosomal nondisjunction refers to errors in cell division that result in an abnormal number of chromosomes. While some conditions resulting from chromosomal nondisjunction can show gender bias (such as Turner syndrome affecting females and Klinefelter syndrome affecting males), it is not accurate to say that males are generally more likely than females to be affected by chromosomal nondisjunction.
Choice D reason: X-linked (sex-linked) disorders are more likely to affect males than females because the gene causing the disorder is located on the X chromosome. Males have one X and one Y chromosome (XY), while females have two X chromosomes (XX). If a male inherits a mutant gene on the X chromosome, he will express the disorder because he does not have a second X chromosome to mask the effect. In contrast, females would need two copies of the mutant gene (one on each X chromosome) to express the disorder, making it less likely for them to be affected.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Bronchoconstriction refers to the narrowing of the airways in the lungs due to the contraction of the surrounding smooth muscle. This condition is typically associated with asthma or allergic reactions and is not directly related to Virchow's triad, which concerns factors leading to thrombosis (formation of blood clots).
Choice B reason: Pulmonary embolus is a blockage in one of the pulmonary arteries in the lungs, usually caused by blood clots that travel to the lungs from the legs or other parts of the body (deep vein thrombosis). Virchow's triad describes the three primary factors that predispose individuals to thrombosis: hypercoagulability (increased tendency of blood to clot), stasis of blood flow, and endothelial injury (damage to the blood vessel wall). These factors contribute to the formation of blood clots, which can ultimately result in a pulmonary embolus if they dislodge and travel to the lungs.
Choice C reason: Decreased pulmonary arterial pressure is not a consequence of the factors described in Virchow's triad. In fact, a pulmonary embolus can lead to increased pulmonary arterial pressure due to the obstruction of blood flow in the pulmonary arteries, which can strain the right side of the heart and lead to complications.
Choice D reason: Alveolar collapse, also known as atelectasis, occurs when the tiny air sacs in the lungs (alveoli) deflate or fill with fluid. This condition is typically due to reasons such as airway obstruction, surfactant deficiency, or lung compression, and is not directly related to the formation of blood clots described by Virchow's triad.
Correct Answer is C
Explanation
Choice A reason: Measures to decrease LDL levels in the elderly would indeed affect the progression of cardiovascular disease. Lowering LDL levels through lifestyle changes, medication, or both can significantly reduce the risk of further heart-related events and slow the progression of atherosclerosis. Therefore, this statement is incorrect because managing LDL levels remains crucial for elderly patients with a history of myocardial infarction.
Choice B reason: Increased LDL levels are not specifically indicative of moderate alcohol intake. While excessive alcohol consumption can affect lipid levels, the primary significance of elevated LDL is its association with the risk of cardiovascular disease, not alcohol intake. Therefore, advising patients to abstain from alcohol based solely on increased LDL levels is not a precise recommendation.
Choice C reason: Increased LDL levels are directly associated with an increased risk of coronary artery disease (CAD). LDL, often referred to as "bad cholesterol," contributes to the buildup of plaque in the arteries, which can lead to atherosclerosis. This condition narrows and hardens the arteries, increasing the risk of heart attacks and other cardiovascular events. Monitoring and managing LDL levels is crucial in preventing the progression of CAD, especially in patients with a history of myocardial infarction.
Choice D reason: Elevated LDL levels are not simply an expected finding in the elderly and should not be dismissed as insignificant. Regardless of age, high LDL levels are a significant risk factor for coronary artery disease and other cardiovascular conditions. Elderly patients, particularly those with a history of myocardial infarction, should have their LDL levels monitored and managed to reduce the risk of future heart-related events.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.