A nurse is caring for a client who is receiving a continuous heparin infusion. Which of the following laboratory tests should the nurse review prior to adjusting the client's heparin?
aPTT
PT
INR
WBC count
The Correct Answer is A
A is correct because aPTT (activated partial thromboplastin time) measures the effectiveness of heparin therapy and guides dosage adjustments.
B is incorrect because PT (prothrombin time) measures the effectiveness of warfarin therapy, not heparin.
C is incorrect because INR (international normalized ratio) is a standardized version of PT that also monitors warfarin therapy, not heparin.
D is incorrect because WBC count (white blood cell count) measures the body's immune response and has no relation to heparin therapy.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is []
Explanation
Rationale:
A: Obtain the latex free cart is incorrect. There is no evidence that the client has a latex allergy or that latex exposure triggered the malignant hyperthermia reaction.
B: Paralytic ileus is incorrect. Paralytic ileus is not the primary condition that the client is experiencing, but a possible secondary complication of malignant hyperthermia.
C: Nausea and vomiting is incorrect. Nausea and vomiting are common postoperative symptoms that may or may not be related to malignant hyperthermia.
D:Malignant hyperthermia (MH) itself does not inherently include hypercapnia as a defining characteristic. However, during an episode of malignant hyperthermia, metabolic acidosis can occur due to the increased production of lactic acid and carbon dioxide as byproducts of the hypermetabolic state. This acidosis can potentially lead to respiratory compensation mechanisms, such as increased respiratory rate and depth, to attempt to eliminate excess carbon dioxide from the body. In some cases, if the compensatory respiratory efforts are insufficient to adequately remove carbon dioxide, hypercapnia can develop as a secondary complication of malignant hyperthermia.
E: nasogastric (NG) tube is incorrect. An NG tube may be indicated for paralytic ileus or bowel obstruction, but not for malignant hyperthermia.
- F: Malignant hyperthermia is correct. The client's vital signs indicate a possible malignant hypertermia reaction, which is a rare but life-threatening complication of general anesthesia that causes a rapid rise in body temperature, muscle rigidity, tachycardia, tachypnea, and hypoxia.
- G: Administer ondansetron is incorrect. Ondansetron is an antiemetic medication that can help with nausea and vomiting, but it does not address the underlying cause of malignant hyperthermia.
- H: Administer dantrolene is correct. Dantrolene is the antidote for malignant hyperthermia and should be given as soon as possible to stop the metabolic crisis and lower the body temperature.
- I: Latex allergy is incorrect. Latex allergy is a hypersensitivity reaction to latex products that can cause urticaria, angioedema, bronchospasm, or anaphylaxis. There is no evidence that the client has a latex allergy or that latex exposure triggered the malignant hyperthermia reaction.
- J: Urticaria is incorrect. Urticaria is a skin rash that can be caused by allergic reactions, infections, or other factors. There is no evidence that the client has urticaria or that it is related to malignant hyperthermia.
- K: Muscle rigidity is correct. Muscle rigidity is one of the signs of malignant hyperthermia and should be monitored closely by the nurse.
- L: Bowel sounds is correct. Bowel sounds should be assessed regularly by the nurse to detect any signs of paralytic ileus, which is a potential complication of malignant hyperthermia that causes intestinal obstruction and abdominal distension.
Correct Answer is C
Explanation
A. Constipation is not a common complication of vacuum-assisted birth. It may be related to other factors such as dehydration, opioid use, or decreased mobility.
B. Urinary urgency is not a common complication of vacuum-assisted birth. It may be related to other factors such as bladder trauma, infection, or diuretic use.
C. Cervical laceration is a common complication of vacuum-assisted birth. It occurs when the vacuum cup causes damage to the cervix during delivery. It can lead to bleeding, infection, or cervical incompetence in future pregnancies.
D. Retained placenta is not a common complication of vacuum-assisted birth. It may be related to other factors such as placenta accreta, uterine atony, or manual removal of the placenta.
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