What is the function of the middle layer of the uterine wall?
To ensure that the uterus is securely connected to the supporting ligaments
To allow the uterus to shed tissue during menstruation
To allow the uterus to contract during childbirth to expel the fetus
To provide the uterus with adequate space to grow a fetus
The Correct Answer is C
A. To ensure that the uterus is securely connected to the supporting ligaments: This is not the primary function of the middle layer (myometrium); rather, the supporting ligaments provide stability to the uterus.
B. To allow the uterus to shed tissue during menstruation: This is primarily the function of the endometrium, the inner layer of the uterine wall.
C. To allow the uterus to contract during childbirth to expel the fetus: The middle layer, known as the myometrium, is composed of smooth muscle that contracts during labor to help expel the fetus.
D. To provide the uterus with adequate space to grow a fetus: While the uterine structure allows for fetal growth, the myometrium’s primary role is in contractions rather than providing space.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. NK cells and neutrophils: While NK cells can be found in lymph nodes, neutrophils are not typically housed in lymph nodes; they are more abundant in the bloodstream and tissues during acute inflammation.
B. Lymphocytes and neutrophils: Lymphocytes are indeed housed in lymph nodes, but neutrophils primarily migrate to sites of infection or inflammation rather than residing in lymph nodes.
C. NK cells and complement cells: Natural killer cells can be found in lymph nodes, but complement proteins are not cells; they circulate in the blood and become activated in response to pathogens.
D. Lymphocytes and macrophages: Lymph nodes primarily house lymphocytes (B cells and T cells) and macrophages, which play vital roles in the immune response by filtering lymph and
Correct Answer is A
Explanation
A. Cecum: The cecum is the first part of the large intestine, where fluids and salts are absorbed after digestion in the small intestine.
B. Ascending colon: The ascending colon continues the process of absorbing water and salts but starts after the cecum.
C. Rectum: The rectum stores feces and plays little role in fluid and salt absorption.
D. Descending colon: While the descending colon absorbs water, much of the absorption occurs earlier in the large intestine, primarily in the cecum.
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