Which tissue in the wall of the uterus is required for labor contractions?
skeletal MT
smooth MT
stratified squamous ET
elastic cartilage CT
The Correct Answer is B
A. skeletal MT: Skeletal muscle tissue is under voluntary control and is not found in the walls of the uterus. It is primarily responsible for movements of the skeleton rather than involuntary contractions needed for labor.
B. smooth MT: Smooth muscle tissue makes up the bulk of the uterine wall (myometrium) and is responsible for powerful, rhythmic contractions during labor. These contractions are involuntary and essential for expelling the fetus.
C. stratified squamous ET: Stratified squamous epithelium is a protective tissue commonly found in areas exposed to friction, such as the skin and vaginal canal. It does not contribute to the contractile activity of the uterus.
D. elastic cartilage CT: Elastic cartilage provides flexibility and support in structures like the ear and epiglottis. It has no role in uterine structure or the generation of contractions during labor.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. the papillary layer:The papillary layer is the upper layer of the dermis that interlocks with the epidermis through finger-like projections called dermal papillae. These projections increase surface area for nutrient exchange and strengthen the connection between the dermis and epidermis.
B. the reticular layer:The reticular layer is the deeper, thicker portion of the dermis composed of dense irregular connective tissue. It provides structural support and elasticity but does not form the finger-like projections that extend into the epidermis.
Correct Answer is E
Explanation
A. Merocrine; holocrine:Merocrine glands secrete their products via exocytosis, and holocrine glands release entire cells, but this distinction does not directly describe mucus versus watery secretions.
B. Endocrine; exocrine:Endocrine glands release hormones into the bloodstream, and exocrine glands secrete onto surfaces or into ducts. This classification does not specify the type of fluid produced, such as mucus or watery secretions.
C. Serous; mucous:Serous glands produce a watery, protein-rich secretion, while mucous glands produce thick, sticky mucus. This reverses the secretion types described.
D. Apocrine; mixed:Apocrine glands release portions of cells along with secretions, and mixed glands can produce both mucus and serous products. While related, this does not Correct answer the distinction between mucus and watery fluids.
E. Mucous; serous:Mucous glands secrete mucus, which combines with water to form a thick, sticky product, whereas serous glands produce a relatively watery, enzyme-rich fluid. This accurately distinguishes the two secretion types.
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