PHYSIOLOGY EXAM 2 BRS QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
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BRS PHYSIOLOGY
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BRS PHYSIOLOGY
PHYSIOLOGY EXAM 2 BRS QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
E. Cholinergic nicotinic receptors
Which autonomic receptor is blocked by hexamethonium at the ganglia, but not at the neuromuscular junction?
A. Adrenergic alpha receptors
B. Adrenergic beta 1-receptors
C. Adrene...
physiology exam 2 brs questions and answers with c
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PHYSIOLOGY EXAM 2 BRS QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED
E. Cholinergic nicotinic receptors
Which autonomic receptor is blocked by hexamethonium at the ganglia, but not at the
neuromuscular junction?
A. Adrenergic alpha receptors
B. Adrenergic beta 1-receptors
C. Adrenergic beta 2-receptors
D. Cholinergic muscarinic receptors
E. Cholinergic nicotinic receptors
J. Inhibition of alpha 1 receptors on vascular smooth muscle
A 66-year-old man with chronic hyper-tension is treated with prazosin by his physician.
The treatment successfully decreases his blood pressure to within the normal range.
What is the mechanism of the drug's action?
A. Inhibition of beta 1 receptors in the sinoatrial (SA) node
B. Inhibition of beta 2 receptors in the SA node
C. Stimulation of muscarinic receptors in the SA node
D. Stimulation of nicotinic receptors in the SA node
E. Inhibition of beta 1 receptors in ventricular muscles
, F. Stimulation of beta 1 receptors in ventricular muscle
G. Inhibition of alpha 1 receptors in the SA node
H. Stimulation of alpha 1 receptors in ventricular muscle
I. Inhibition of alpha 1 receptors in the SA node
J. Inhibition of alpha 1 receptors on vascular smooth muscle
K. Stimulation of alpha 1 receptors on vascular smooth muscle
L. Stimulation of alpha 2 receptors on vascular smooth muscle
B. Erection
Which of the following responses is mediated by parasympathetic muscarinic
receptors?
A. Dilation of bronchiolar smooth muscle
B. Erection
C. Ejaculation
D. Constriction of gastrointestinal sphincters
E. Increased cardiac contractility
A. Have the slowest conduction velocity of any nerve fiber type
Which of the following is a property of C fibers?
A. Have the slowest conduction velocity of any nerve fiber type
B. Have the largest diameter of any nerve fiber type
C. Are afferent nerves from muscle spindles
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