A student asks the professor how a faulty negative-feedback mechanism results in a hormonal imbalance. What response by the professor is best?
a. Hormones are not synthesized in response to cellular and tissue activities.
b. Decreased hormonal secretion is a response to rising hormone levels.
c. Too little hormone production is initiated.
d. Excessive hormone production results from a failure to turn off the system
Ans: d. Excessive hormone production results from a failure to turn off the system
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The physician diagnoses a 3-cm cyst in the ovary of a 28-year-old woman. You expect the initial treatment to include:
a. Beginning hormone therapy. b. Examining the woman after her next menstrual period. c. Scheduling a laparoscopy to remove the cyst. d. Aspirating the cyst and sending the fluid to pathology.
The pacing structure of the heart's electrical activity is the:
a. AV node. b. bundle of His. c. Purkinje fibers. d. sinoatrial (SA) node.
To count the ribs and the intercostal spaces, you begin by palpating the reference point of the:
a. distal point of the xiphoid. b. manubriosternal junction. c. suprasternal notch. d. acromion process.
Which assessment findings would prompt the nurse to suspect a disulfiram (Antabuse) reaction?
a. Skin rash, itching, and urticaria b. Pallor, hypotension, and muscle cramping c. Dry skin, bradycardia, fatigue, and headache d. Headache, dyspnea, nausea, vomiting, and flushing