A disease in which the bones do not develop correctly, also known as brittle bone disease, is called:
A. osteomalacia.
B. osteogenesis imperfecta.
C. osteoporosis.
D. osteomyelitis.
E. osteochondritis.
Answer: B
You might also like to view...
Which of the following statements reflects weaknesses in the Wernicke-Geschwind model of language processing? Choose the correct option
A) The model overstates the importance of a given cortical area for a particular function. B) Words do not have to be transformed into a pseudo-auditory response during a reading task; visual information can reach Broca's area from visual cortex without stopping at the angular gyrus. C) Aphasia is influenced by damage to subcortical structures such as the thalamus and caudate nucleus, which are not it the model. D) All choices are correct.
In an individual with paraparesis secondary to an incomplete spinal cord lesion, the increase in Achilles tendon tension during gait coincides with the stretch of the triceps surae during passive dorsiflexion of the foot in the stance phase
The increase in Achilles tendon tension is not correlated with an increase in EMG. What causes the abnormal muscle resistance to stretch? A. Spasticity B. Contracture C. Cocontraction D. Hyperreflexia E. Atrophy
George Cunningham was diagnosed with Crohn's disease when 23 years old. He was experiencing acute abdominal pain, diarrhea, rectal bleeding, anemia and weight loss
He did not respond to conventional immunosuppressive therapies and was given a course of infliximab, an anti-TNF-? monoclonal antibody that suppresses inflammation by blocking TNF-? activity. On day 12 after receiving his first infusion, he developed a mild fever, generalized vasculitis, swollen lymph glands, swollen joints and joint pain. Traces of blood and protein were detected in his urine. Which of the following is the most likely cause of these recent symptoms? a. Type I hypersensitivity involving anaphylaxis. b. Type II hypersensitivity leading to hemolytic anemia. c. Type III hypersensitivity caused by immune complex deposition in blood vessels. d. Type IV hypersensitivity involving CD8 T-cell cytotoxicity. e. Type II hypersensitivity leading to thrombocytopenia.
The iatrogenic form of Cushing syndrome is caused by:
A) Long-term cortisone therapy B) Pituitary tumor secreting ACTH C) Benign or malignant adrenal tumor D) Ectopic ACTH-secreting lung tumor