A client asks the nurse what ventilation is. What is the most appropriate response by the nurse?
"Ventilation is the process of moving air into and out of the lungs."
"Ventilation is taking a breath in."
"Ventilation is the blood flow through the lung."
"Ventilation is the process by which gases are exchanged."
The Correct Answer is A
A) "Ventilation is the process of moving air into and out of the lungs."
Ventilation refers to the mechanical process of breathing, which involves the movement of air into and out of the lungs. During ventilation, air containing oxygen is drawn into the lungs through inhalation (inspiration), and carbon dioxide-rich air is expelled from the lungs through exhalation (expiration). This process facilitates the exchange of gases (oxygen and carbon dioxide) between the lungs and the external environment.
B) "Ventilation is taking a breath in."
This statement is too simplistic and does not fully encompass the process of ventilation, which includes both inhalation and exhalation. Ventilation involves not only taking a breath in but also the subsequent process of exhaling.
C) "Ventilation is the blood flow through the lung."
This statement describes perfusion, which is the process of blood flow through the lung's blood vessels, rather than ventilation, which involves air movement in and out of the lungs. Ventilation and perfusion are closely related but distinct processes.
D) "Ventilation is the process by which gases are exchanged."
While ventilation facilitates gas exchange, this statement does not fully capture the mechanical aspect of moving air into and out of the lungs, which is the primary function of ventilation. Gas exchange occurs in the alveoli of the lungs, where oxygen diffuses into the bloodstream, and carbon dioxide diffuses out of the bloodstream, but ventilation refers specifically to the movement of air.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Increase dosing with a large meal:
Increasing the dosing with a large meal may not be appropriate as it could lead to overdosing and potential side effects. The dosage of pancrelipase should be determined by the healthcare provider based on the individual's needs and response to treatment. There's no evidence to support the need for increased dosing with larger meals.
B) Take the medication at least 2 hours prior to meals:
Taking the medication prior to meals may not be effective as the enzymes will not be available when food is consumed, which defeats the purpose of enzyme replacement therapy. The enzymes need to be present simultaneously with the food to aid in digestion. Waiting 2 hours before meals would mean the enzymes are not available when needed.
C) Take the medication with meals.
Pancrelipase, such as Cotazym, is a pancreatic enzyme replacement therapy used to aid in the digestion of fats, proteins, and carbohydrates in individuals with pancreatic insufficiency. Taking the medication with meals is crucial because it helps ensure that the enzymes are available to aid in the digestion of food. Without proper enzyme supplementation during meals, individuals with pancreatic insufficiency may experience malabsorption, leading to nutritional deficiencies and gastrointestinal symptoms.
D) Decrease fluid intake:
Decreasing fluid intake is not appropriate as it could lead to dehydration and may not have any significant impact on the efficacy of pancrelipase. In fact, adequate fluid intake is important for digestion and overall health. There's no indication that fluid intake needs to be decreased when taking pancrelipase.
Correct Answer is B
Explanation
A) A client who has a kidney stone:
Misoprostol is not contraindicated in clients who have kidney stones. Kidney stones are not a known contraindication for the use of misoprostol.
B) A client who is pregnant.
Misoprostol is a medication commonly used to prevent gastric ulcers in individuals who are taking nonsteroidal anti-inflammatory drugs (NSAIDs) for conditions such as osteoarthritis. However, it is contraindicated in pregnant women due to its potential to cause uterine contractions, leading to miscarriage or preterm labor. Misoprostol is classified as a pregnancy category X medication, meaning that there is clear evidence of fetal risk based on human or animal studies, and its use is contraindicated during pregnancy.
C) A client who has a urinary tract infection:
Misoprostol is not contraindicated in clients who have urinary tract infections. Urinary tract infections are not a known contraindication for the use of misoprostol.
D) A client who has osteoarthritis:
Misoprostol is commonly used in clients with conditions such as osteoarthritis to prevent NSAID-induced gastric ulcers. Osteoarthritis is not a contraindication for the use of misoprostol when indicated for gastric ulcer prevention in individuals taking NSAIDs.
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