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What is the primary purpose of using terbutaline in labor for intrauterine resuscitation?

A.

To stimulate uterine contractions

B.

To improve placental blood flow

C.

To decrease fetal heart rate variability

D.

To prevent preterm labor

Answer and Explanation

The Correct Answer is B

A. To stimulate uterine contractions: Terbutaline is a tocolytic (a medication that relaxes the uterus), not a uterotonic. It is not used to stimulate contractions.

B. To improve placental blood flow: Terbutaline relaxes uterine muscles, decreasing contraction frequency and intensity, thereby improving placental blood flow. It is often used in intrauterine resuscitation when there is uteroplacental insufficiency and fetal distress due to excessive contractions (tachysystole).

C. To decrease fetal heart rate variability: Terbutaline does not directly affect fetal heart rate variability. It is used to reduce uterine contractions, which can secondarily improve fetal oxygenation.

D. To prevent preterm labor: While terbutaline can be used to delay preterm labor, in this context, it is being used for intrauterine resuscitation, not for preventing labor.


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Related Questions

Correct Answer is A

Explanation

A. Feeling irregular contractions that become more frequent, longer, and stronger over time. This describes true labor contractions, which increase in intensity and frequency, leading to cervical changes.

B. Feeling less energetic and experiencing a decrease in Braxton Hicks contractions. Many clients experience a burst of energy (nesting) before labor, not decreased energy. A reduction in Braxton Hicks contractions is not a sign of impending labor.

C. Experiencing frequent urination and increased back pain. While these symptoms can occur due to fetal descent, they are not definitive signs that labor is starting.

D. Experiencing a decrease in vaginal discharge and a loss of the mucus plug. A loss of the mucus plug can occur days before labor, but it does not indicate labor is beginning immediately. Vaginal discharge often increases, not decreases, before labor.

Correct Answer is A

Explanation

A. Parity: In GPTAL (Gravida, Parity, Term, Abortions, Living children), "P" refers to parity, which indicates the number of pregnancies carried to 20 weeks or beyond, regardless of outcome.

B. Postpartum: "Postpartum" refers to the period after childbirth and is not part of the GPTAL system.

C. Primigravida: Primigravida refers to a woman who is pregnant for the first time, which is represented by "G" (Gravida) in GPTAL, not "P."

D. Presentation: "Presentation" refers to the fetal part entering the birth canal first (e.g., cephalic, breech) and is unrelated to GPTAL.

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