The nurse is evaluating a client for cardiovascular risk factors. Which laboratory result places the client at increased risk for cardiovascular disease?
HD cholesterol 60 mg/di
Total cholesterol 210 mg/at
LDL cholesterol 110 me di
Hgb A1C 5.3%
The Correct Answer is C
A) "HDL cholesterol 60 mg/dL":
This is not a risk factor. High-density lipoprotein (HDL) is often referred to as "good cholesterol" because it helps remove excess cholesterol from the bloodstream, lowering the risk of atherosclerosis and cardiovascular disease. An HDL level of 60 mg/dL is considered protective against cardiovascular disease, as higher levels of HDL are associated with a lower risk of heart disease.
B) "Total cholesterol 210 mg/dL":
This is not a significant risk factor on its own. While total cholesterol above 200 mg/dL is a general indicator for cardiovascular risk, it is not as important as the breakdown of individual lipid components (HDL, LDL). A total cholesterol of 210 mg/dL is only slightly above the ideal less than 200 mg/dL, and on its own, it is not a strong indicator of increased cardiovascular risk without considering other factors like LDL and HDL levels.
C) "LDL cholesterol 110 mg/dL":
. Low-density lipoprotein (LDL) is known as "bad cholesterol" because it can lead to the buildup of plaque in the arteries, increasing the risk for atherosclerosis, heart disease, and stroke. An LDL level of 110 mg/dL is considered to be above optimal. For individuals at risk for cardiovascular disease, the target LDL cholesterol level is usually less than 100 mg/dL, and for those with high risk, it may be less than 70 mg/dL. Therefore, this level of LDL cholesterol places the client at increased risk for cardiovascular disease.
D) "Hgb A1C 5.3%":
This is not a risk factor. An Hgb A1C of 5.3% is within the normal range for glycemic control. The American Diabetes Association defines normal A1C as below 5.7%. A1C levels between 5.7% and 6.4% are considered pre-diabetes, and a level of 6.5% or higher indicates diabetes. A normal A1C level indicates no significant elevated blood glucose, which would be a risk factor for cardiovascular disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Wear a HEPA/N95 mask while providing care to the client:
Tuberculosis (TB) is a highly contagious airborne disease, and healthcare workers caring for patients with active TB must wear a HEPA/N95 mask to protect themselves from inhaling the bacteria. These specialized masks filter out airborne particles, including Mycobacterium tuberculosis, which can be spread through droplets when the patient coughs, sneezes, or talks. Wearing an N95 mask is an essential part of airborne precautions in the care of TB patients.
B) Instruct the nursing assistant to wear a surgical mask when entering the client's room:
A surgical mask does not offer adequate protection against airborne pathogens like the tuberculosis bacteria. While surgical masks can block large droplets, they do not filter out smaller, airborne particles, such as those from TB. N95/HEPA masks are necessary for anyone entering the room of a patient with active tuberculosis, including nursing assistants, to ensure they are protected from inhaling infectious particles.
C) Ensure the client is in a positive pressure room:
A positive pressure room is typically used for patients who are immunocompromised, such as those with neutropenia or undergoing organ transplants, to prevent infection from the environment. However, negative pressure rooms are required for patients with airborne diseases like tuberculosis. A negative pressure room ensures that air flows into the room but does not leave, containing any airborne pathogens and preventing their spread to other areas of the facility.
D) Have the client wear a HEPA/N95 mask when outside of their room:
If the client with active tuberculosis needs to leave their room for medical procedures or testing, they should wear a HEPA/N95 mask to prevent spreading the bacteria to others through airborne transmission. This helps limit exposure to other individuals, as TB can be transmitted by airborne particles.
Correct Answer is ["7"]
Explanation
Given:
Desired dose: Amoxicillin 350 mg PO
Available concentration: Amoxicillin 250 mg/5 ml
To find:
Volume to administer (in ml)
Step 1: Set up the proportion
We can use the following proportion to solve the problem:
(Desired dose) / (Available concentration) = Volume to administer
Step 2: Substitute the values
Plugging in the given values, we get:
(350 mg) / (250 mg/5 ml) = Volume to administer
Step 3: Simplify
To simplify, we can invert the denominator and multiply:
(350 mg) x (5 ml / 250 mg) = Volume to administer
The "mg" units cancel out, leaving us with:
(350 x 5 ml) / 250 = Volume to administer
Step 4: Calculate
Performing the multiplication and division, we get:
1750 ml / 250 = Volume to administer
1 ml = Volume to administer
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