Which is not a requirement for effective perfusion?
Absence of chronic disease
Adequate blood volume
An open airway
Functional systemic circulation
The Correct Answer is A
A. The absence of chronic disease is not a strict requirement for effective perfusion. While chronic diseases can impact perfusion, such as through the effects of diabetes or hypertension on the cardiovascular system, effective perfusion can still occur in individuals with chronic conditions if other factors are managed appropriately.
B. Adequate blood volume is essential for effective perfusion because without enough blood, oxygen and nutrients cannot be delivered to tissues.
C. An open airway is crucial for effective perfusion because it allows for proper oxygenation, which is necessary for the delivery of oxygen to tissues via the bloodstream.
D. Functional systemic circulation is required for effective perfusion, as it ensures that blood can flow throughout the body to deliver oxygen and nutrients to tissues and remove waste products.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Pleural effusion involves the accumulation of fluid in the pleural space, which typically causes a decrease or absence of breath sounds, not wheezing.
B. Emphysema is a type of chronic obstructive pulmonary disease (COPD) that leads to damage of the alveoli and air sacs, which may result in wheezing, but it is not the most direct cause of high-pitched wheezing.
C. High-pitched wheezing is often a result of airway constriction or narrowing, which occurs in conditions like asthma, bronchitis, or anaphylaxis. The sound is caused by turbulent airflow through narrowed airways.
D. Hemoptysis refers to coughing up blood and does not cause wheezing. It is a symptom that may be associated with various respiratory conditions, but it does not directly cause the wheezing sound.
Correct Answer is C
Explanation
A. Cystine stones are rare and occur due to a genetic disorder called cystinuria. They are not the most common type of renal calculi.
B. Uric acid stones are also relatively common, especially in individuals with gout or those with high levels of uric acid in the urine. However, calcium oxalate is more common.
C. Calcium oxalate is the most common type of renal calculi, accounting for about 70-80% of kidney stones. These stones form when calcium combines with oxalate in the urine.
D. Struvite stones are associated with urinary tract infections caused by urease-producing bacteria. They are less common than calcium oxalate stones.
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.