The ____ is the site for lymphocyte maturation
a. thymus
b. thyroid
c. spleen
d. pancreas
a
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Approximately, how many hemoglobin molecules are found in each RBC?
a) 50 million b) 100 million c) 280 million d) 320 million e) 430 million
For many reflexes, including the stretch reflex, the excitation of a muscle leads to
A. excitation of all motorneurons that are contralateral. B. inhibition of motor neurons of its antagonist. C. inhibition of motor neurons of its synergist. D. excitation of motor neurons of the antagonist. E. inhibition of sensory neurons that initiate the reflex.
A cat presents to a clinic with difficulty breathing, lethargy, and cyanosis. The veterinarian auscultated the thoracic cavity and politely asked to have a radiograph taken of the thorax. Dx: pleural effusion. A thoracocentesis was performed and 300 cc of fluid was aspirated. Rx: Bronchodilator BID. The medical term for difficulty breathing is:
A) tachypnea B) bradypnea C) hyperpnea D) strangpnea E) dyspnea
You've just eaten something sour and pucker your lips in response. This occurs due to the contraction of the ________ muscle.
A. zygomaticus B. masseter C. orbicularis oculi D. orbicularis oris