Muscle length has a more pronounced effect on contraction strength in cardiac muscle than in skeletal muscle. This is because cardiac muscle has a greater sensitivity to ________.
A. depolarization
B. calcium
C. lactic acid
D. parasympathetic antagonists
Answer: B
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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) activates muscarinic cholinergic receptors. D) blocks ?2 adrenergic receptors. E) activates ?2 adrenergic receptors or activates muscarinic cholinergic receptors.
This figure shows the duct system in the male reproductive tract. Which number indicates the bulbourethral gland?
A. 2 B. 3 C. 4 D. 5 E. 7
Hemostatic forceps are used to ________________________________________ blood vessels
Fill in the blank(s) with correct word
One effect of ADH is to:
A) decrease urine volume. B) increase blood osmolality. C) decrease blood volume. D) all of these