An inhaler used to treat airway constriction in asthma or allergy might contain a drug that
A) activates ?1 adrenergic receptors.
B) activates ?2 adrenergic receptors.
C) blocks muscarinic cholinergic receptors.
D) activates ?1 or ?2 adrenergic receptors.
E) activates ?2 adrenergic receptors or blocks muscarinic cholinergic receptors.
Answer: E
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In the CNS, this structure is produced by oligodendrocytes
a) A b) B c) C d) D e) E
Match the name of the element with the correct symbol.
a. potassium b. phosphorus c. sodium d. calcium e. carbon f. hydrogen g. chlorine h. nitrogen 1. _____ C 2. _____ Ca 3. _____ Cl 4. _____ H 5. _____ Na 6. _____ P 7. _____ K 8. _____ N
Identify the correct statement(s) about digestive enzymes made by the small intestine
a. They are secreted into the intestinal lumen, where they perform their function b. They act intracellularly within the brush border c. They complete the digestion of carbohydrates d. Both a and c e. Both b and c
Changes in digestive function related to parasympathetic function are associated with:
a. external influences b. local changes in the digestive tract c. intrinsic nerve plexus d. extrinsic autonomic nerves e. gastrointestinal hormones