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) Sedation:
Sedation is not an adverse effect commonly associated with oxymetazoline nasal spray. Oxymetazoline works by constricting blood vessels in the nasal passages to relieve congestion and does not typically cause sedation.
B) Constipation:
Constipation is not an adverse effect associated with oxymetazoline nasal spray. Constipation is more commonly associated with medications that affect the gastrointestinal system, such as opioid analgesics or certain anticholinergic medications.
C) Productive cough:
Productive cough is not an adverse effect commonly associated with oxymetazoline nasal spray. Productive cough refers to a cough that produces mucus or phlegm and is more often associated with respiratory infections or chronic respiratory conditions.
D) Nasal congestion.
Oxymetazoline (Afrin) is a nasal decongestant spray commonly used for the temporary relief of nasal congestion associated with allergic rhinitis or the common cold. However, if oxymetazoline nasal spray is used for more than 3 to 5 consecutive days, it can lead to rebound congestion, also known as rhinitis medicamentosa. Rebound congestion occurs when the nasal mucosa becomes dependent on the medication for vasoconstriction, and upon discontinuation, nasal congestion worsens. Therefore, prolonged use of oxymetazoline nasal spray can result in a worsening of nasal congestion as an adverse effect.
Correct Answer is ["A","B","E"]
Explanation
A. Metered-dose inhaler (MDI): MDIs deliver a specific dose of medication in aerosol form. They consist of a pressurized canister containing medication and a mouthpiece or mask for inhalation. Patients must coordinate inhalation with actuation to ensure proper medication delivery to the lungs.
B. Nebulizer: Nebulizers convert liquid medication into a fine mist that can be inhaled directly into the lungs. They are commonly used for patients who have difficulty using MDIs or require higher doses of medication. Nebulizers are often used in acute care settings or at home for patients with chronic respiratory conditions.
C. Hypodermic syringe: Hypodermic syringes are used for administering injections subcutaneously, intramuscularly, or intravenously. They are not used for inhalation medication administration.
D. Feeding tube syringe: Feeding tube syringes are used for administering liquid medications or enteral feeds through feeding tubes directly into the gastrointestinal tract. They are not used for inhalation medication administration.
E. Dry powder inhaler (DPI): DPIs deliver medication in powdered form, which is activated by the patient's inhalation. Unlike MDIs, DPIs do not require coordination between actuation and inhalation. Instead, patients inhale forcefully to disperse the medication into their lungs.
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