The D antigen is also known as ________.
A. Rh
B. A
C. B
D. O
Answer: A
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Several blood-borne chemicals affect the lumen size of arterioles. Which are NOT paired correctly?
A) epinephrine — vasoconstriction with alpha receptors B) kinins — vasodilation C) serotonin — vasodilation D) sumatriptan — vasoconstriction E) histamine — vasodilation
Individuals who have had a night of heavy drinking often have trouble remembering exactly what happened. This lapse in memory is the primary result of ethanol
a. initiating inhibitory cAMP pathways involved in memory storage. b. slowing the transfer of short term memory events into long term memory storage. c. slowing the release of calcium in presynaptic neurons. d. blocking binding to NMDA receptors. e. blocking LTP pathways.
Which of the following statements concerning the larynx is correct?
A. When the glottis closes, air is prevented from leaving the lungs. B. The inferior laryngeal cartilage is the thyroid cartilage. C. Unlike other portions of the larynx, the epiglottis consists of some bony tissue. D. The epiglottis is also called "Adam's apple". E. The larynx contains four unpaired cartilages.
The cascade of events in the intrinsic pathway can be set into motion when ________ comes into contact with collagen.
A. factor VII B. factor III C. factor XII D. calcium E. factor X