What is the correct term for blood flow through the lung?
Inspiration
Expiration
Respiration
Perfusion
The Correct Answer is D
A) Inspiration:
Inspiration refers to the process of inhaling or breathing in air into the lungs. It involves the contraction of the diaphragm and expansion of the chest cavity, leading to the intake of air into the lungs.
B) Expiration:
Expiration, also known as exhalation, refers to the process of exhaling or breathing out air from the lungs. It involves the relaxation of the diaphragm and chest muscles, leading to the expulsion of air from the lungs.
C) Respiration:
Respiration is a broader term that encompasses both ventilation (the mechanical process of breathing) and gas exchange (the exchange of oxygen and carbon dioxide between the lungs and blood). While respiration involves both air movement and gas exchange, it does not specifically refer to blood flow through the lung, which is described by the term perfusion.
D) Perfusion.
Perfusion refers to the circulation of blood through the lung's blood vessels, including the pulmonary arteries and pulmonary capillaries. This process allows for the exchange of gases (oxygen and carbon dioxide) between the blood and the air in the lungs during respiration. Perfusion is essential for oxygenating blood and removing carbon dioxide, which is crucial for maintaining normal cellular function throughout the body.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Montelukast:
Montelukast is a leukotriene receptor antagonist (LTRA) used as a controller or maintenance medication for asthma. It is not used for the immediate relief of asthma symptoms during an acute attack. Montelukast is taken regularly to prevent asthma symptoms and reduce the frequency of asthma attacks, but it does not provide rapid relief during an ongoing attack.
B) Fluticasone:
Fluticasone is an inhaled corticosteroid (ICS) used as a controller medication for asthma. It works by reducing airway inflammation and is taken regularly to control asthma symptoms and prevent exacerbations. Fluticasone is not used for the immediate relief of acute asthma symptoms and is not suitable for aborting an ongoing asthma attack.
C) Cromolyn:
Cromolyn is a mast cell stabilizer used as a controller medication for asthma. It helps prevent the release of inflammatory substances that contribute to asthma symptoms. Cromolyn is taken regularly to prevent asthma symptoms and reduce the frequency of asthma attacks but is not used for the immediate relief of acute asthma symptoms like albuterol.
D) Albuterol.
Albuterol is a short-acting beta agonist (SABA) bronchodilator used for the quick relief of asthma symptoms during an acute asthma attack or exacerbation. It works rapidly to relax the smooth muscles in the airways, opening them up and relieving bronchoconstriction, which improves airflow and alleviates symptoms such as wheezing, shortness of breath, and chest tightness. Albuterol is typically administered via inhalation through a metered-dose inhaler (MDI) or a nebulizer.
Correct Answer is D
Explanation
A) Take albuterol first.
Taking albuterol before salmeterol does not address the potential interaction between the two medications. It is important to avoid taking them together rather than just adjusting the order of administration.
B) The order of administration does not matter.
The order of administration does matter when it comes to medications with potential interactions. In this case, both albuterol and salmeterol are bronchodilators, and taking them together can increase the risk of adverse effects.
C) Take salmeterol first.
Similar to taking albuterol first, taking salmeterol before albuterol does not address the potential interaction between the two medications. The priority is to avoid taking them together unless specifically directed by the healthcare provider.
D) They should not be taken together.
Albuterol and salmeterol are both bronchodilators used to treat respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). Albuterol is a short-acting beta agonist (SABA), typically used for quick relief of acute bronchoconstriction, while salmeterol is a long-acting beta agonist (LABA), used for long-term control and prevention of bronchospasm. Taking both medications together can increase the risk of side effects, including excessive stimulation of the beta receptors and potential cardiovascular effects. Therefore, it is important to follow healthcare provider's instructions and avoid taking albuterol and salmeterol together unless specifically directed to do so.
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