Which of the following organs is located in the pelvic cavity and primarily functions to house a developing fetus?
Ovary
Uterus
Fallopian tube
Urinary bladder
The Correct Answer is B
Reasoning:
The pelvic cavity contains the internal reproductive organs, which are supported by various ligaments and the pelvic floor. These organs undergo significant physiological hypertrophy during gestation. Understanding the specific functional anatomy of the pelvic viscera is essential for assessing reproductive health and managing the clinical needs of the gravid patient.
A. The ovaries are paired almond-shaped organs located in the upper pelvic cavity. Their primary function is oogenesis (the production of eggs) and the secretion of sex hormones, specifically estrogen and progesterone. While they are vital for the initiation and maintenance of pregnancy, they do not house the developing fetus themselves.
B. The uterus is a thick-walled, muscular organ located between the urinary bladder and the rectum. Its primary physiological role is to provide a site for the implantation of a fertilized ovum and to support the growth and development of the fetus throughout the gestational period until the onset of parturition.
C. The fallopian tubes, or oviducts, serve as the conduit for the egg to travel from the ovary to the uterus. They are the primary site for fertilization. While an embryo may occasionally implant in the tube (ectopic pregnancy), this is a pathological condition; the tubes are not designed to house or support a developing fetus.
D. The urinary bladder is a hollow, distensible organ located in the anterior portion of the pelvic cavity. Its primary function is the temporary storage of urine. While it is anatomically close to the uterus and can be compressed during pregnancy, it plays no functional role in the gestation or housing of a fetus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Pain is the fifth vital sign and requires immediate systematic evaluation when non-verbal cues are observed. Utilizing standardized assessment tools allows the clinician to quantify subjective experiences, guiding the multimodal analgesia approach. Prompt intervention is necessary to prevent the physiological consequences of untreated acute pain, such as tachycardia.
A. Proceeding with a full head-to-toe examination before addressing the client's obvious distress is inappropriate and lacks empathy. Pain can interfere with the client's ability to participate in a full physical assessment. Addressing the most urgent subjective concern first ensures the patient is comfortable enough for further clinical evaluation.
B. Assessing the client's level of pain using a validated scale (such as the 0 to 10 numeric scale) is the priority action. This provides a baseline to determine the severity and nature of the pain. It allows the nurse to implement interventions and later evaluate their effectiveness accurately.
C. Calling the healthcare provider before performing a thorough pain assessment is premature. The nurse must first gather data regarding the pain's location, intensity, and quality to provide a meaningful report to the provider. A complete assessment is required to ensure the correct medication and dosage are ordered.
D. Asking the family to leave does not address the immediate physiological and psychological needs of the client in pain. While privacy is important for a detailed history, it is not the priority when a patient is showing visible signs of acute discomfort. Pain management must take precedence over administrative history-taking.
Correct Answer is B
Explanation
The musculoskeletal system relies on specific anatomical structures to reduce friction and facilitate the mechanical gliding of tissues during physical activity. A bursa is a small, distinct sac lined with a synovial membrane and filled with viscous synovial fluid, typically situated between bones and soft tissues.
A. Ligaments are fibrous connective tissues that primary serve to connect bone to bone, providing structural stability to joints rather than acting as fluid-filled capsules. While they permit movement, they do not contain a capsule of fluid designed specifically for lubrication and friction reduction between sliding surfaces.
B. The bursa is the specific fluid-filled sac or capsule that functions as a cushion to reduce friction between moving parts of the musculoskeletal system, such as bones, tendons, and muscles. This structure is essential for maintaining flexibility and preventing the degradation of soft tissues during repetitive joint articulation.
C. Tendons consist of tough, inelastic bands of fibrous collagen tissue that attach muscles to bones, transmitting mechanical force to produce movement. They are not encapsulated fluid structures; instead, they are dense connective tissues designed to withstand high tension and facilitate the lever action of the skeletal system.
D. A synovial joint is a complex functional unit where two bones articulate within a joint cavity, but the term refers to the entire joint apparatus. While it contains synovial fluid, the specific "fluid-filled capsule" described in the context of enabling specific gliding and flexibility is the bursa.
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