HCA Pharmacology & EKG Test New Hires for Nurses 2025 Actual with Questions & Answers (Latest 2025 / 2026 Update) 100% Guarantee Pass (Verified Answers)

HCA Pharmacology & EKG Test New Hires for Nurses

2025 Actual with Questions & Answers (Latest
Update) 100% Guarantee Pass (Verified Answers)




1. Morphine:Opioid agonist:binds to the opioid mu-1 and mu-2 and kappa
y
g gy y
g gy gy gy gy gy gy gy gy




receptors in the CNS and alters pain perception and response
gy gy gy gy gy gy gy gy gy gy




Sideeffects:confusion,sedation,constipation,hypotension,respiratorydepression
y
g y
g y
g y
g y
g y
g y
g




Antidote= naloxene
gy gy




2. •Demerol:Opioidagonistmu-1andmu-2andkappareceptors. side
gy y
g gy gy gy gy gy gy gy gy




effects:
gy




-Nausea
- Vomiting
- Euphoria
- Dysphoria


gy gy

, - RespiratoryDepression y
g




Adverse effect: seizures
gy gy gy




Antidote= naloxene
gy gy




3. • Ativan gy




• :Potentiates action of GABA, resulting in increased neuronal inhibition and CNS
y
g gy gy gy gy gy gy gy gy gy gy




gy depression,
Side effects: gy




CNS:dizziness,drowsiness,lethargy,hangover,headache,ataxia,slurredspeech,
y
g y
g y
g y
g y
g y
g y
g y
g




forgetfulness, confusion, mental depression,
gy gy gy gy




4. Dilantin: 1. Anticonvulsant: stabilizes neuronal membranes and limits seizure
y
g y
g y
g gy gy gy gy gy




activity by either increasing efflux or decreasing influx of sodium ions across cell
gy gy gy gy gy gy gy gy gy gy gy gy gy




membranes in the motor cortex during generation of nerve impulses.
gy gy gy gy gy gy gy gy gy gy




2.Antiarrhythmic:normalizes sodium influx to Purkinje's fibers in patients with induced
y
g y
g gy gy gy gy gy gy gy gy gy




dysrhythmias.
gy




Side effects: gy




1. nausea, vomiting gy




2. CNS depression gy




3. respiratory depression gy




4. heart blocks g y




5. hypotension
6. dysrhythmias

5. • Nitroglycerine:-Reducesvenoustone.(Bloodpoolinginperiphveins,decreas- ing
gy gy y
g y
g y
g y
g y
g y
g y
g y
g gy




venous return to the heart.
gy gy gy gy gy




-Decreased periph.vascular resistance. gy y
g gy




-Dilation of coronary arteries and relief of coronary artery spasm.
gy gy gy gy gy gy gy gy gy




-Vasodilation of cerebral arteries, increasing O2 to brain. gy gy gy gy gy gy gy





gy gy