1. Pain radiating down the posterior thigh 2. Back pain when the knees are flexed 3. Atrophy of the lower leg muscles 4. Homans' sign Correct Answer: 1 Your Answer: 1 RATIONALES: A herniated intervertebral disk may compress the spinal nerve roots, causing sciatic nerve inflammation that results in pain radiating down the leg. Slight knee flexion should relieve, not precipitate, low back pain. If nerve root compression remains untreated, weakness or paralysis of the innervated muscle group may result; lower leg atrophy may occur if muscles aren't used. Homans' sign is more typical of phlebothrombosis. The nurse is teaching a client with osteomalacia how to take prescribed vitamin D supplements. The nurse stresses the importance of taking only the prescribed amount because high doses of vitamin D can be toxic. Early signs and symptoms of vitamin D toxicity include: 1. GI upset and metallic taste. 2. dry skin, hair loss, and inflamed mucous membranes. 3. flushing and orthostatic hypotension. 4. sensory neuropathy and difficulty maintaining balance. Correct Answer: 1 Your Answer: 1 RATIONALES: GI upset and metallic taste are early signs and symptoms of vitamin D toxicity. Such toxicity also may cause headache, weakness, renal insufficiency, renal calculi, hypertension, arrhythmias, muscle pain, and conjunctivitis. Dry skin, hair loss, and inflamed mucous membranes suggest vitamin A toxicity. Flushing and orthostatic hypotension (effects of vasodilation) may result from nicotinic acid and nicotinamide supplements, used to correct niacin deficiency. Sensory neuropathy and difficulty maintaining balance suggest pyridoxine toxicity. A client with osteoarthritis tells the nurse she is concerned that the disease will prevent her from doing her chores. Which suggestion should the nurse offer? 1. "Do all your chores in the morning, when pain and stiffnes