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APP Exam 1

Terms in this set (12)

What type of fluid would you give if you needed to get the medication to cross the BBB if the patient's osmolarity is 250 mEq/L? Select two answers.

a.) Give the patient pure water.
b.) Give the patient IV solution that is normal saline solution (280 mEq)
c.) Give the patient 200 mEq/L saline solution
d.) Give the patient hypertonic solution
B and D

Rational: Looking for answers that are hypertonic to pts osm. Giving a pt hypertonic solution will cause the cells of the BBB to shrink enough to allow some medications to cross.
If we cut the posterior ramus, which of the following nerves will not be affected?
a.) Somatic motor nerve
b.) Somatic sensory nerve
c.) Sympathetic innervation to the eye
d.) Sympathetic innervation to the sweat glands
...
Which one of these cells have an adrenergic receptor?
a.) masseter muscle
b.) detrusor muscle
c.) oculomotor muscle
d.) sweat glands
b.) detrusor muscle
Which of the following is myelinated?
a.) Sensory somatic nerves that travel the dorsal column
b.) Sympathetic nerves that leave the gray ramus
c.) Post-ganglionic parasympathetic nerves
d.) Post-ganglionic sympathetic nerves
a.) Sensory somatic nerves that travel the dorsal column
A hyperglycemic patient with an osmolarity of 300 mEq/L with a blood glucose 450 mg/dL. Find the sodium concentration.
a.) 138 mEq/L
b.) 153 mEq/L
c.) 145 mEq/L
d.) 125 mEq/L
a.) 138 mEq/L
A patient with an osmolarity of 140 mEq/L receives 4L of 150 mEq/L of IVF. Select 2 answers.
a.) None of the fluid the patient received will go to the ECF.
b.) Some fluid will go to the ICF.
c.) Half of the fluid will each go to ICF and ECF
d.) The ECF will gain more fluid than the ICF fluid will lose
e.) The fluid stays in the ECF
d.) The ECF will gain more fluid than the ICF fluid will lose
e.) The fluid stays in the ECF
If I cut the white ramus communicans, which fibers would possibly lose their function?
a.) All sympathetic ganglionic fibers
b.) Parasympathetic fibers
c.) Only the pre-ganglionic sympathetic fibers are affected
d.) Only the post-sympathetic fibers are affected
a.) All sympathetic ganglionic fibers
At the axon hillock, what type of channels are located there? Select 2 answers:
a.) ligand-gated sodium channels
b.) voltage-gated potassium channels
c.) voltage-gated chloride channels
d.) leak channels
B. and D.
If I cut the grey ramus communicans, which fibers would possibly lose their function?
a.) All sympathetic ganglionic fibers
b.) Parasympathetic
c.) Only the pre-ganglionic sympathetic fibers are affected
d.) Only the post-sympathetic fibers are affected
d.) Only the post-sympathetic fibers are affected
All of the acetylcholine (ACh) is metabolized in the synaptic cleft at the neuromuscular junction (NMJ). Which of the following statements is true?
a.) Myosin head is not attached to the actin filament
b.) Cross-bridge is formed
c.) Ryanodine receptor has been activated
d.) Calcium has just been released from the SR
a.) Myosin head is not attached to the actin filament
Which one of these is included in the I-band?
a.) Actin and myosin
b.) M-line
c.) Myosin tails
d.) Titin
d.) Titin
What is most likely to cause an action potential?
a.) Hyponatremia
b.) Hypokalemia
c.) Hyperkalemia
d.) Hypoalbuminemia
c.) Hyperkalemia
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