Which of the following is INCORRECTLY matched with its secreting organ?
A) TRH — hypothalamus
B) TSH — posterior pituitary
C) triiodothyronine — thyroid gland
D) thyroxine — thyroid gland
Ans: B) TSH — posterior pituitary
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Animals living in intertidal zones are
a. strict osmoconformers. b. hypo-ionic osmoconformers. c. euryhaline. d. stenohaline. e. not capable of changing the composition of ECF when the osmotic pressure of sea water changes.
Which of the following statements regarding higher brain functions is true?
A. A person with damage only to Broca's area of the brain will understand spoken or written speech but will have difficulty speaking. B. A person with damage only to Wernicke's area of the brain will have motor aphasia. C. A person with damage only to Wernicke's area of the brain will lose the ability to recognize faces. D. Both "a person with damage only to Broca's area of the brain will understand spoken or written speech but will have difficulty speaking" and "a person with damage only to Wernicke's area of the brain will have motor aphasia" are true. E. Both "a person with damage only to Broca's area of the brain will understand spoken or written speech but will have difficulty speaking" and "a person with damage only to Wernicke's area of the brain will lose the ability to recognize faces" are true.
Which are characteristic of leukocytes? a: Smaller than erythrocytesb: Have a nucleusc: Have no hemoglobind: More numerous than erythrocytese: Depending on type, may or may not contain granules
A. a, b, c, d B. a, b, c, d, e C. b, c, e D. b, c, d, e E. a, b, e
Which component of the cardiac conduction system receives action potentials from the sinoatrial node?
A) SA node B) Terminal branches C) AV node D) Left bundle branch