The nursing instructor is facilitating a clinical group discussion about the adrenal glands including the cortex and the medulla. The instructor asks about the physiological changes that happen when norepinephrine and epinephrine are released. The students show good understanding of physiological changes when they state they include: (select all that apply).
Increased heart rate.
Constriction of blood vessels.
Pupil dilation.
Increased blood pressure.
Increased urine output.
Correct Answer : A,C,D
Norepinephrine and epinephrine are catecholamines released by the adrenal medulla during the "fight or flight" response. They have several physiological effects, including increasing heart rate, pupil dilation, and blood pressure. Additionally, epinephrine causes bronchodilation, while norepinephrine causes vasoconstriction. Therefore, the nurse should monitor the client for signs of hypertension, tachycardia, and increased respiratory rate.
Increased urine output, is incorrect because catecholamines decrease urine output by activating the renin-angiotensin-aldosterone system.
Constriction of blood vessels is incorrect because norepinephrine causes vasoconstriction, not vasodilation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3.10"]
Explanation
First, we need to convert the child's weight from pounds to kilograms:
32 lb ÷ 2.2 lb/kg = 14.54 kg (rounded to the nearest hundredth)
Next, we'll calculate the recommended daily dose range for this child:
20 mg/kg/day × 14.54 kg = 290.8 mg/day
40 mg/kg/day × 14.54 kg = 581.6 mg/day
So the recommended dose range for this child is 290.8 to 581.6 mg/day.
To calculate the dose for each individual dose, we'll divide the total daily dose by 3 (since it's divided into three equal doses per day):
290.8 mg/day ÷ 3 = 96.9 mg/dose (rounded to the nearest tenth)
581.6 mg/day ÷ 3 = 193.9 mg/dose (rounded to the nearest tenth)
Since the available cefaclor suspension is 125 mg per 5ml, we'll need to calculate how much volume of suspension to give for each dose:
96.9 mg/dose ÷ 125 mg/5ml = 2.46 ml/dose (rounded to the nearest hundredth)
193.9 mg/dose ÷ 125 mg/5ml = 3.10 ml/dose (rounded to the nearest hundredth)
Therefore, the child should receive 2.5 ml of cefaclor suspension for each dose of 100 mg and 3.1 ml of cefaclor suspension for each dose of 200 mg.
Correct Answer is ["STAT"]
Explanation
“STAT”. The correct abbreviation for immediately in medicine is "stat".
Here are some similar abbreviations used in medicine:
stat: immediately (from Latin "statim")
qd: every day (from Latin "quaque die")
qid: four times a day (from Latin "quater in die")
qh: every hour (from Latin "quaque hora")
q2h: every 2 hours (from Latin "quaque secunda hora")
ac: before meals (from Latin "ante cibum")
pc: after meals (from Latin "post cibum")
tid: three times a day (from Latin "ter in die")
hs: at bedtime (from Latin "hora somni")
prn: as needed (from Latin "pro re nata")
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