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. Red blood cells are removed from the blood: Red blood cells are too large to be filtered at the glomerulus. Only plasma and small molecules pass through.
B. Water is taken out of the pre-formed urine: This happens in later parts of the nephron, such as the collecting ducts, not at the glomerulus.
C. Most of the water is removed from the blood: The glomerulus filters blood, removing water, ions, glucose, and waste products from the bloodstream to form the filtrate.
D. Nutrients are released to the kidneys: Nutrients are filtered into the renal tubules and then reabsorbed, but they are not "released" to the kidneys.
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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