Which of the following statements regarding older patients is true?

The elasticity of pelvic ligaments and softening of cartilage in pregnant patients are caused by:

The meninge composed of a delicate web of collagen and elastic fibers is the

Your patient is a 48-year-old woman.  She describes severe cramping pain in the abdomen and right flank. Her past medical history includes a history of bladder calculi. You diagnose her with renal calculi at this time. Which of the following symptoms would you LEAST expect with her diagnosis? 

A 62-year-old patient with a past medical history significant for hypertension, chronic obstructive pulmonary disease (COPD), and long-term tobacco use is accompanied by his partner to a hospital follow-up clinic appointment. His partner is very concerned about his recent hospitalization for a COPD exacerbation and asks what can be done to improve his health. Which of the following holds the greatest long-term health benefit for this patient?

The glial cell that myelinates and insulates axons in the peripheral nervous system is the________

When completing a physical examination of the musculoskeletal (MS) system on the older adult, the APRN knows that:

When a single presynaptic neuron repeatedly releases neurotransmitter in a very short period of time, it results in _________summation in the postsynaptic neuron.

In a mixed nerve,

The cerebral aqueduct carries CSF from the lateral ventricles to the third ventricle.