The movement of the testes by muscular action regulates:
a. ejaculatory flow.
b. sebaceous production.
c. testicular temperature.
d. urinary flow.
C
The cremasteric muscle contracts and relaxes the scrotum. This action alters the distance of the testes from the body to cool or warm the testes.
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A nurse is being oriented to work for an intensive care unit. The hemodynamic data indicate that the patient has a decreased preload. Which information indicates the nurse has a correct under-standing of the concept of preload?
a. It is the amount of blood ejected from the left ventricle each minute. b. It is the amount of blood in the heart at the end of ventricular diastole. c. It is the resistance to the ejection of blood from the left ventricle. d. It is the rhythmic relaxation and contrac-tion of the heart chambers.
A nurse suspects a 7-year-old client whose injuries are being treated is being physically abused. Which of these actions must the nurse take?
a. Discuss suspicions with the child's legal guardian prior to making any type of report. b. Ensure that the appropriate state-designated agency is notified. c. Notify the health care provider. d. Notify the immediate nursing supervisor.
Which population would have been the focus of care for an occupational health nurse in the early 1900s?
a. Injured workers b. All workers c. Families d. The community
The nurse is caring for a client scheduled for total hip replacement. Which behavior indicates the need for further preoperative teaching?
1. The client uses the diaphragm and abdominal muscles to inhale through the nose and exhale through the mouth 2. The client demonstrates dorsiflexion of the feet, flexing of the toes, and moves the feet in a circular motion 3. The client uses the incentive spirometer and inhales slowly and deeply so the piston rises to the preset volume 4. The client gets out of bed by lifting straight upright from the waist and then swings both legs along the side of the bed