What is the assigned schedule number for phenobarbital according to the Controlled Substances Act of 1970?
D. IV
What two components of a drug's profile are taken into consideration when determining what the therapeutic index will be?
C. Lethal dose and effective dose
Tachyphylaxis can be managed by:
D. changing to a similar drug in the same family
Which of the following statements about antibiotics is NOT true:
C. An individual who has developed a resistance to one type of antibiotic will typically respond well to other antibiotics in a similar class
The pharmacological effects of administering insulin to a hyperglycemic patient is an example of increased:
A. carrier-mediated diffusion
Phase 0 of cardiac cell depolarization in the fast potentials is characterized by rapid:
D. Influx of Na+
If a patient were exhibiting pupillary constriction, hypersalivation, bronchial wheezing, and bradycardia, you should suspect _____ of the _____ nervous system.
B. stimulation, parasympathetic
You are caring for a 48-year-old patient with acute onset pulmonary edema secondary to an acute myocardial infarction. He has rales (crackles) in both lung fields and wheezes in the bronchial regions. His blood pressure is 160/90, his pulse is 112, and his ventilations are 32. Which of the following medications is indicated FIRST and why?
A. Nitroglycerin (Nitrostat) to reduce preload and afterload to redistribute fluids to the periphery
Hypoparathyroidism leads to decreased:
C. Calcium levels
An important physiologic distinction between the sympathetic and parasympathetic divisions of the autonomic nervous system is:
C. Nitroglycerin (Nitrostat) to reduce preload and afterload to redistribute fluids to the periphery
Which class of antidysthythmics characteristically blocks sodium influx during fast potential depolarization?
A. I
Which of the following medications is a cardioselective beta-blocker?
A. Atenolol
All of the following statements about nonsteroidal anti-inflammatory drugs (NSAIDs) are TRUE EXCEPT that NSAIDs:
B. include aspirin, acetaminophen, and ibuprofen
Which of the following agents would NOT reduce blood pressure?
D. Beta2 antagonist
In which class of the Vaughn-Williams classification system of antidysrhythmic medications does lidocaine belong?
A. IB
A larger-than-expected dose of adenosine may be necessary to patients regularly taking:
D. Aminophylline
What is the drug of choice when treating patients having generalized motor (grand mal) seizures?
C. Dilantin
Which of the following best describes the cardiovascular effects of calcium channel blockers, such as verapamil (calan) and diltiazem (Cardizem)?
C. Decreased automaticity and decreased AV node condicutivity
Glucagon will affect blood glucose levels by:
D. Inducing glycogenolysis and gluconeogenesis
Physostigmine (Antilirium) is a useful antidote for which drug overdose?
C. Atropine
To relieve nasal congestion, which of the following medications would be most effective when administered intranasally?
D. Phenylepherine
Which of the following is NOT associated with the sympathetic nervous system?
D. Vagus nerve
Which of the following medication is a proton-pump inhibitor?
A. Omeprazole (Prilosec)
Which of the following is a property of a reversible cholinesterase inhibitor?
D. Enable parasympathetic stimulation for a finite period