The Bainbridge reflex is thought to be initiated by sensory neurons in which cardiac location?
a. Atria
b. Aorta
c. Sinoatrial (SA) node
d. Ventricles
Answer: a. Atria
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Mr. Carrol is being assessed by the LPN. In assessing his sense of smell, the nurse gives a whiff of freshly ground coffee beans. With his left nostril, he determines this to be coffee. With his right nostril, he declares it to be cinnamon. This is
a. Normal—all people differentiate odors differently with each nostril b. Normal—it is necessary to use both nostrils together to determine odors accurately c. Abnormal—odors should be perceived the same in both nostrils d. Abnormal—Mr. Carrol needs surgery immediately to cure a blockage
Maternal phenylketonuria (PKU) is an important health concern during pregnancy be-cause:
a. It is a recognized cause of preterm labor. b. The fetus may develop neurologic problems. c. A pregnant woman is more likely to die without dietary control. d. Women with PKU are usually retarded and should not reproduce.
A nurse is teaching new parents about bathing their newborn. The nurse determines that the teaching was successful when the parents state which of the following?
A) "We can put a tiny bit of lotion on his skin and then rub it in gently.". B) "We should avoid using any kind of baby powder.". C) "We need to bathe him at least four to five times a week.". D) "We should clean his eyes after washing his face and hair.".
Which of the following questions may be the most helpful in identifying the cause of a headache?
A) What were you doing before the headache began? B) Do any visual changes accompany the headache? C) Does anything make the headache better? D) What does it feel like?