A patient has cut himself while cooking. Which second-messenger vasoconstrictor assists in controlling arterial blood pressure?
A) Phospholipids
B) Amino acids
C) Calcium
D) Glucagon
C
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The behavior that would be considered inconsistent with the clinical picture of a client who is
becoming increasingly aggressive is a. pacing. b. sobbing inconsolably. c. rigid posture with a clenched jaw. d. staring with narrowed eyes into the eyes of another.
What does the QRS complex represent?
a. Atrial depolarization b. Ventricular contraction c. Ventricular repolarization d. Ventricular depolarization
The mother observes traces of blood on the diaper of her newborn daughter and calls this to the attention of the nurse. The nurse's best reply would be which of the following?
a. "I suspect this is from a urinary tract infection, a condition common in newborns when the bladder is not completely developed." b. "This is probably caused by the baby not getting maternal hormones from the placenta. It will probably go away soon." c. "This is probably from the trauma of the birth and will disappear in time." d. "This is some placental blood we missed when bathing the baby at birth."
It is MOST important to exercise caution when administering isotonic solutions to patients with:
A. hypertension and congestive heart failure. B. hypotension and severe hypovolemia. C. a history of insulin-dependent diabetes mellitus. D. dehydration secondary to excessive diarrhea.