Ivermectin can be used in treating all stages of heartworm disease except
a. the third-stage larvae
b. the adults.
c. the microfilariae.
d. the juveniles.
.B
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Answer the following statements true (T) or false (F)
1. The head of the femur fits into a deep, cup-shaped socket in the coxal bone called the acetabulum. 2. The incus is a bone found in the skull.
The ion pumps sensitive to aldosterone
A) reabsorb potassium ions from the tubular fluid. B) vasoconstrict the efferent arterioles at the nephrons. C) increase the active secretion of sodium ions along the distal convoluted tubule. D) increase the water permeability of the distal convoluted tubule and collecting duct. E) reabsorb sodium ions from the tubular fluid.
A patient is unable to close her left eye. Which muscle may be paralyzed?
A. Corrugator supercilii B. Frontalis C. Orbicularis oris D. Levator palpebrae superioris E. Orbicularis oculi
Which type of membrane channels are found in axons?
A) voltage-gated Na+ channels B) voltage-gated K+ channels C) chemically gated Na+ and K+ channels D) voltage-gated Ca2+ channels E) voltage-gated Na+ and K+ channels