In which structure does fertilization usually occur?
Uterine tube
Uterus
Ovary
Urinary bladder
The Correct Answer is A
A. Uterine tube: Fertilization typically occurs in the uterine tube (also known as the fallopian tube). The sperm travels from the cervix through the uterus and into the uterine tube, where it meets and fertilizes the egg.
B. Uterus: The uterus is where the fertilized egg implants and develops into a fetus, but it is not where fertilization occurs.
C. Ovary: The ovary is where eggs are produced and released during ovulation, but fertilization does not occur here.
D. Urinary bladder: The urinary bladder is part of the urinary system, not the reproductive system, and has no role in fertilization.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The neural tube and yolk sac have formed: By 8 weeks, the neural tube and yolk sac have formed, but this is not the criterion for defining a fetus.
B. The amniotic cavity has formed: The formation of the amniotic cavity occurs earlier in development and is not the defining feature of a fetus.
C. All of the organ systems are present: By the end of 8 weeks, the basic structures of all major organ systems are present, which is why the embryo is referred to as a fetus from this point onwards.
D. The mesoderm has formed: The formation of the mesoderm occurs earlier and is not the defining factor for fetal status. By 8 weeks, more significant development, including the presence of organ systems, has occurred.
Correct Answer is B
Explanation
Segmentation is a type of intestinal contraction that mixes chyme with digestive enzymes and increases its contact with the mucosa, facilitating digestion and absorption. Propulsion is primarily accomplished by peristalsis, not segmentation. This statement is accurate in describing segmentation's role in the small intestine.
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