Which structure separates the vagina from the body of the uterus?
Hymen
Fundus
Adventitia
Cervix
The Correct Answer is D
A. Hymen: The hymen is a thin membrane that partially covers the vaginal opening, but it does not separate the vagina from the uterus.
B. Fundus: The fundus is the upper part of the uterus, but it does not separate the vagina from the uterus.
C. Adventitia: This is the outer layer of the uterus, but it does not serve as a separator between the vagina and uterus.
D. Cervix: The cervix is the lower part of the uterus that protrudes into the vagina and acts as a barrier separating the two structures.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Blood fills the left ventricle and empties the right: This refers to the ventricles, not the atria, so it is incorrect in the context of atrial diastole.
B. Both the left and right atrial chambers fill with blood: During atrial diastole, the atria relax and fill with blood from the veins (superior/inferior vena cava for the right atrium and pulmonary veins for the left atrium).
C. Blood fills the right atrium and empties the left: This is incorrect because both atria fill with blood during atrial diastole.
D. Both the left and right atria are emptied of blood: This describes atrial systole (contraction), not diastole.
Correct Answer is D
Explanation
A. Seminal duct: There is no structure specifically called the "seminal duct" in male anatomy.
B. Epididymis: The epididymis is the tube where sperm mature, and it connects to the ductus deferens, not the urethra.
C. Prostatic duct: Prostatic ducts release prostatic fluid into the urethra, but they do not connect the ductus deferens to the urethra.
D. Ejaculatory duct: The ejaculatory duct connects the ductus deferens to the urethra, allowing sperm to enter the urethra for ejaculation.
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