Unitek Midterm Questions And Answers 2023

Amylase does what? {Ans: Enzyme in saliva that breaks down starches}Stroke Volume (SV) {Ans: The amount of blood pumped out of the heart with each contraction.}How may a newly licensed LPN/LVN practice? {Ans: Under the supervision of a physician or RN}intercostal nerve function {Ans: supply muscles of the ribs, anterolateral thorax, and abdominal wall}Which of the following causes granulocytopenia? {Ans: myelosuppression (bone marrow depression)}hepatic portal system {Ans: the veins that carry blood from the digestive organs to the liver}Phases of action potential {Ans: 1. Polarization (NEGATIVE) = Resting state - K+ leaks from neuron 2. Depolarization (POSITIVE) = Stimulation >>> threshold potential - Na+ rushes in 3. Repolarization (POSITIVE BACK TO NEGATIVE) = Return back to Rest - K+ rushes out *** If neuron does not repolarize, it can NEVER fire}Although the patient denies pain, the nurse observes the patient breathing rapidly with clenched fists and facial grimacing. What is the nurse's best response to these observations? A. "I am glad you are feeling better and have no discomfort." B. "Where do you hurt?" C. "What you are saying and what I am observing don't seem to match." D. "It makes me uncomfortable