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Which of the following is the least severe type of nerve injury?

Your 42 year-old male construction worker presents to your clinic with complaints of frequent knee-joint buckling due to a significant loss of  strength to his quadriceps muscles.  He’s been diagnosed with a herniated lumbar disc involving compression to the nerve root.  The physician’s order is to find an appropriate brace to help stabilize his knee and whole lower leg. You decide to fit him with a KAFO brace.  Which spinal level would be involved that likely is responsible for his knee buckling?

38-year-old woman is being evaluated for treatment of severe irritable bowel syndrome with diarrhea (IBS-D). The provider is considering prescribing alosetron. Which of the following findings would most likely contraindicated the use of alosetron in this patient with knowing the black box warning causing ischemic colitis?  

A 52-year-old woman was diagnosed with active pulmonary tuberculosis and started on a standard first-line regimen including isoniazid (INH), rifampin (RIF), pyrazinamide (PZA), and ethambutol (EMB). After several months of therapy, her sputum cultures remain positive for Mycobacterium tuberculosis, indicating treatment failure. Drug susceptibility testing reveals resistance to multiple first-line agents. Which of the following is the most appropriate next step in her treatment?

A patient with metastatic cancer presents with a serum calcium level of 15 mg/dL. Which of the following is the best pharmacologic intervention to rapidly decrease serum calcium by inhibiting bone resorption?

The ______of a sperm contains the DNA with a hood like covering called an acrosome.

The ductus (vas) deferens and the seminal gland join to form this short duct?

Match the following structures of the female reproductive system with their description.

What organ of the female reproductive system produces the hormones estrogen and progesterone?

All of the following are true concerning the female reproductive system, except?