Ion Channels: open and close in response to physical deformation of receptors
A. Voltage gated
B. Leaky
C. Chemically Gated
D. Mechanically Gated
D. Mechanically Gated
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Electrical signals move through the mammalian heart in a particular order. Which order is correct?
A) SA node; internodal pathway; AV node; bundle of His; Purkinje fibers B) AV node; SA node; internodal pathway; bundle of His; Purkinje fibers C) SA node; AV node; internodal pathway; Purkinje fibers; bundle of His D) Bundle of His; Purkinje fibers; internodal pathway; AV node; SA node
Answer the following statements true (T) or false (F)
1. The male urethra serves the urinary system only. 2. Both tetrads and crossovers are seen during meiosis. 3. Failure to attain erection is called impotence. 4. Ovulation occurs near the end of the ovarian cycle. 5. The corpus luteum secretes progesterone only.
Which of the following statements is TRUE about avian breeding and reproduction?
a. Breeding pairs should be under 1 year of age b. All breeding pairs bond and mate c. Handling eggs is ideal for checking for damage d. Female birds should have diet supplements
Tissue fluid is ________ and lymph is ________.
A. forced out of blood plasma; absorbed into blood capillaries B. forced out of blood plasma; absorbed into lymph capillaries C. forced out of lymph vessels; absorbed into lymph capillaries D. forced out of lymph capillaries; absorbed into blood capillaries