A patient with rheumatoid arthritis of the TMJ feels pain radiating over the parotid region and side of the head. This referral pattern is based on the distribution of which nerve?
A. Auriculotemporal nerve
B. Posterior superior alveolar nerve
C. Inferior alveolar nerve
D. Temporal branch of the facial nerve
E. Zygomaticotemporal nerve
Answer: A. Auriculotemporal nerve
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Insects prevent water loss and disturbance in the osmotic balance in cells by
a. having a water-proof cell wall around each cell. b. having a cuticle that makes the body water-proof. c. having an outer epidermis made of keratinized cells. d. having equal concentration of molecules in ECF and ICF.
Which statement is false about testing reflexes?
A) It is very difficult to assess reflex responses. B) The absence of reflex responses indicates pathology to the nervous system. C) Exaggerated reflex responses indicate pathology to the nervous system. D) Tests of reflexes can help localize the area of injury when the spinal cord has been damaged.
Which segment of the nephron is solely involved in the reabsorption of water and sodium and chloride ions?
A) glomerular capsule B) proximal convoluted tubule C) nephron loop D) distal convoluted tubule E) collecting duct
Define X-rays
What will be an ideal response?