A nurse is caring for a client who has hyperemesis gravidarum.
Which of the following laboratory tests should the nurse anticipate?
Rapid plasma regain.
Urine culture.
Prothrombin time.
Urine ketones.
The Correct Answer is D
Choice A rationale
Rapid plasma regain is not a standard laboratory test associated with hyperemesis gravidarum. Hyperemesis gravidarum is characterized by severe nausea and vomiting leading to dehydration and electrolyte imbalances.
Choice B rationale
A urine culture is used to detect urinary tract infections, which are not a primary concern in hyperemesis gravidarum unless specifically indicated by symptoms of a UTI.
Choice C rationale
Prothrombin time (PT) and other coagulation studies assess blood clotting. While severe dehydration and malnutrition from hyperemesis gravidarum could theoretically affect coagulation, it is not a routine initial test to anticipate.
Choice D rationale
Urine ketones are a key laboratory finding in hyperemesis gravidarum. Due to persistent vomiting and inadequate oral intake, the body starts to break down fat for energy, leading to ketonuria. The presence of ketones in the urine indicates starvation and the need for intravenous fluids and nutritional support.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
The stepping reflex, also known as the walking or dancing reflex, is elicited by holding the infant upright with their feet touching a flat surface. The infant will make stepping or dancing movements. This is not elicited by stroking the lateral sole of the foot.
Choice B rationale
The Babinski reflex is elicited by stroking the lateral sole of the infant's foot from the heel upward and across the ball of the foot. A positive Babinski sign is characterized by dorsiflexion of the great toe and fanning out of the other toes. This reflex is normal in infants and typically disappears by 12 to 24 months of age.
Choice C rationale
The tonic neck reflex, also known as the fencing reflex, is elicited by turning the infant's head to one side. The arm and leg on the turned side extend, while the arm and leg on the opposite side flex. Stroking the sole of the foot does not elicit this reflex.
Choice D rationale
The plantar grasp reflex is elicited by placing a finger or object across the base of the infant's toes. The toes will curl downward and grasp the object. This reflex is different from the response elicited by stroking the lateral sole of the foot. .
Correct Answer is A
Explanation
Choice A rationale
The latent phase of labor is the longest and often the least intense phase, characterized by mild, infrequent contractions and gradual cervical dilation (0-3 cm). During this time, the woman is typically more receptive to learning and can concentrate better, making it the ideal phase to teach non-pharmacologic pain control methods such as breathing techniques, relaxation exercises, and positioning.
Choice B rationale
The active phase of labor (4-7 cm dilation) is characterized by more frequent and intense contractions, making it harder for the laboring woman to concentrate and learn new pain management techniques. Reinforcement of previously learned techniques is more appropriate at this stage.
Choice C rationale
The transition phase (8-10 cm dilation) is the most intense and shortest phase of the first stage of labor. The woman is likely experiencing significant discomfort and may have difficulty focusing on learning new pain control methods.
Choice D rationale
The second stage of labor begins with complete cervical dilation (10 cm) and ends with the birth of the baby. The focus during this stage is on pushing and delivering the baby, making it an inappropriate time to teach non-pharmacologic pain control methods for labor.
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