From superficial to deep, what is the correct order of structures that would be encountered if a needle was inserted into a testis?
Tunica vaginalis, tunica albuginea, seminiferous tubules
Tunica vaginalis, seminiferous tubules, tunica albuginea
Tunica albuginea, tunica vaginalis, seminiferous tubules
Seminiferous tubules, tunica vaginalis, tunica albuginea
The Correct Answer is A
A. Tunica vaginalis, tunica albuginea, seminiferous tubules: The tunica vaginalis is the outer protective layer, followed by the tunica albuginea (a tough fibrous layer), and then the seminiferous tubules, where sperm production occurs.
B. Tunica vaginalis, seminiferous tubules, tunica albuginea: The seminiferous tubules are deeper than the tunica albuginea, making this order incorrect.
C. Tunica albuginea, tunica vaginalis, seminiferous tubules: This reverses the outer layers, as the tunica vaginalis is superficial to the tunica albuginea.
D. Seminiferous tubules, tunica vaginalis, tunica albuginea: This order is incorrect, as the tunica vaginalis and tunica albuginea are external to the seminiferous tubules.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Reabsorption of potassium ions: Potassium reabsorption occurs in the nephron, not in the bladder.
B. Secretion of hormones: The bladder does not secrete hormones; its primary function is to store urine.
C. Storage of urine: The bladder is responsible for storing urine before it is excreted from the body.
D. Filtration of urine: Filtration occurs in the kidneys, specifically in the glomerulus, not in the bladder.
Correct Answer is A
Explanation
A. Mucus: Mucus in the trachea traps inhaled particles like dust, microbes, and debris, preventing them from entering the lungs.
B. Epithelial cells: Epithelial cells line the trachea but do not actively trap particles.
C. Paranasal sinuses: The paranasal sinuses are air-filled spaces in the skull and are not involved in trapping particles in the trachea.
D. Cilia: Cilia move trapped particles out of the trachea toward the pharynx, but the particles are initially caught by mucus.
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