29 Questions
What is labor?
A series of rhythmic, progressive contractions of the uterus during childbirth
Who proposed the Fetal Adrenal Response Theory?
Hippocrates
What does oxytocin do in relation to labor?
Stimulates uterine contractions
According to the Uterine Stretch Theory, what stimulates uterine contractions?
Nerve endings pressure from distention of the uterus
What triggers labor according to the Oxytocin Stimulation Theory?
Increased uterine sensitivity to oxytocin
What is the main role of the fetal adrenal and pituitary glands according to the Fetal Adrenal Response Theory?
Initiate labor contractions
Which hormone helps maintain pregnancy by its relaxant effects on the smooth muscles of the uterus?
Progesterone
What hormone, when produced in large amounts, initiates labor?
Prostaglandin
What decreases as pregnancy nears term, allowing uterine contractions to occur?
Progesterone
Which hormone concentration rises steadily as the placenta ages and becomes less efficient?
Estrogen
What is the primary function of prostaglandin during labor?
Initiating labor
What is the main effect of progesterone on the smooth muscles of the uterus?
Preventing uterine contractions
What hormone is converted by maternal deciduas into prostaglandin, which initiates labor?
Arachidonic acid
What does the term 'passage' refer to in the context of labor?
The route the fetus travels from the uterus through the cervix and vagina to the external perineum
Which part of the bony pelvis is known for forming the upper and lateral portion of the pelvis?
Ilium
What marks the midpoint of the pelvis and extends into the pelvic cavity as small projections?
Ischial spines
What is the main function of symphysis pubis in relation to labor?
It allows for flexibility of the pelvic bones during childbirth
What is located at the anterior of innominate bones and forms a junction at the front of the pelvis?
Pubis
Which part of the bony pelvis forms the upper posterior portion of the pelvic ring?
Sacrum
What is the function of the false pelvis during the last months of pregnancy?
Supports the uterus and aids in directing the fetus into the true pelvis for birth
What is the Linea Terminalis (pelvic brim, ileopectineal line) used to divide?
True and false pelvis
What is the most useful pelvic measurement that is most apt to cause misfit with the fetal head?
Diagonal Conjugate
What is the normal measurement for the Diagonal Conjugate, which indicates that a mother has an adequate pelvis?
$10.5-11cm$ or more
What is the distance between the midpoint of the sacral promontory and the midpoint of symphysis pubis known as?
Obstetric Conjugate
What is the normal measurement for the Obstetric Conjugate?
$11cm$
What is the normal measurement for the right oblique diameter of the true pelvis?
$13.5cm$
What does the space between the pelvic inlet and outlet of the pelvis form?
Pelvic Canal / Pelvic Cavity
What is a leading university in the Philippines recognized for its proactive contribution to Sustainable Development through equitable inclusive programs by 2030?
University of the Philippines
What does progressive enhancement of human resource capabilities and institutional mechanism aim to provide according to MISSION?
Relevant, innovative and transformative knowledge, research, extension and production programs and services
Test your knowledge on the essential factors of labor, specifically the 5 P’s of Labor: PASSAGE, PASSENGER, PERSON, POWER, POSITION. This quiz covers important information related to the route the fetus must travel, bony pelvic ring, and other critical aspects of labor.
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