During defecation, the client experiences decreased cardiac output related to the Valsalva maneuver. After the Valsalva maneuver, the nurse assesses the client's vital signs and expects to observe which of the following?
a slowing of client's heart rate
a decrease in the client's blood pressure
an increase in the client's respiratory rate
a decrease in the client's respiratory rate
The Correct Answer is A
a) A slowing of the client's heart rate: The Valsalva maneuver (straining during defecation) can cause a transient increase in intra-abdominal pressure, which triggers vagal stimulation, leading to a slowing of the heart rate (bradycardia).
b) A decrease in the client's blood pressure: The Valsalva maneuver may initially cause an increase in blood pressure, followed by a drop after the maneuver is released. The immediate effect is a slowing of the heart rate, not a decrease in blood pressure.
c) An increase in the client's respiratory rate: The Valsalva maneuver typically causes a temporary decrease in respiratory rate due to the strain on the body.
d) A decrease in the client's respiratory rate: The Valsalva maneuver does not typically result in a significant decrease in respiratory rate. Instead, it is more likely to cause a brief alteration in heart rate and blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1"]
Explanation
Label: Cimetidine Chloride 300 mg/5 mL
To calculate the dose in teaspoons:
Determine how many mL contain the ordered dose:
300 mg is the ordered dose. The label shows that 300 mg is in 5 mL.
Therefore, 300 mg = 5 mL.
Convert mL to teaspoons:
1 teaspoon = 5 mL.
Therefore, 5 mL = 1 teaspoon.
So, 1 teaspoon is required to administer the ordered dose of 300 mg.
Correct Answer is D
Explanation
a) Kinking the catheter tubing to obtain a urine specimen: Kinking the catheter tubing can cause backflow of urine, increasing the risk of infection, but it is not as significant a risk factor as improper drainage bag positioning.
b) Emptying the drainage bag every 8 hours or when half full: Properly emptying the drainage bag regularly reduces the risk of infection, as it prevents overfilling and backflow. This practice is usually part of proper care.
c) Failing to secure the catheter tubing to the patient's thigh: Securing the tubing to the thigh is important for preventing pulling or tension, but it’s not as significant in terms of infection risk as the positioning of the drainage bag.
d) Placing the drainage bag on the side rail of the patient's bed: This significantly increases the risk of urinary tract infections (UTIs) as it can cause the urine to flow back into the bladder, a condition called "reflux." The drainage bag should always be kept below the level of the bladder.
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