Which of the following hormones are derivatives of cholesterol?
A) Epinephrine and norepinephrine
B) Insulin and glucagon
C) Aldosterone and testosterone
D) Eicosanoids and retinoids
Ans: C) Aldosterone and testosterone
Rationale: Steroids such as aldosterone and testosterone are a classification of hormones that are derived from cholesterol. Epinephrine and norepinephrine are both amino acids, while insulin and glucagon are classified among peptides, polypeptides, proteins, and glycoproteins. Eicosanoids and retinoids consist of fatty acid compounds.
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The client has experienced a permanent conductive hearing loss. This type of hearing loss is most commonly associated with which of the following?
A. History of cystic fibrosis and regular use of tobramycin B. Frequent episodes of otitis media as a child C. Production of large amounts of cerumen D. History of diabetes mellitus
A patient is prescribed 420 mg of rifampin to be added to 500 mL of dextrose 5% in water (D5W). The vial contains rifampin 60 mg/mL. How many milliliters should you add to the D5W for the correct?
a. 0.16 mL b. 5mL c. 7mL d. 8mL
During the assessment of a patient, the nurse notes a scar on the left thigh. The phase of wound healing that this patient is experiencing would be
1. inflammatory. 2. proliferative. 3. remodeling. 4. angiogenesis.
Which of the following is the best stated learning objective? The client will
A) correctly demonstrate aseptic technique when cleaning and flushing sites on the vascular access device within 2 weeks of admission. B) understand the importance of cleaning the wound by next week. C) know the procedure for using epinephrine in the event of an allergic reaction. D) identify signs and symptoms of low blood sugar levels.