Increased osteoclast activity is associated with bone density.

A patient is shedding flakes of greasy, keratinized skin tissue from their scalp. What should the nurse suspect as the reason for this skin lesion?

An elderly patient is concerned about a 1 cm bluish mark on her lower lip. Per the patient, she thought it was a bruise initially; however, it has not disappeared in over 4 months. The lesion is soft and blanches with pressure. What should the nurse realize this patient is describing? 

While performing a skin assessment for a patient newly admitted to the medical-surgical unit, the nurse notices a wound on the patient’s sacral area. The skin is not intact, the wound bed is mostly red; however, some yellow subcutaneous fat is visible. No muscle, bone, or tendons noted. What is the appropriate staging for this pressure injury?

A patient with herpes zoster has pruritus and reports difficulty resting at night. Which intervention will best help the patient?

A patient is diagnosed with albinism. What finding should the nurse expect to assess in this patient?

Which of the following is true about the prokaryotic and eukaryotic cells? A) Prokaryotic and eukaryotic cells both have a nucleus.B) Usually prokaryotic cells are larger than eukaryotic cells. C) Prokaryotic cells do not have well organized nucleus and membrane structures in their cells.D) Prokaryotic cells have evolved from eukaryotic cells.

Schleiden and Schwann stated the “cell theory”, which of the following statements is NOT part of the cell theory?A) Cells are spontaneously generated.B) All organisms are composed of one or more cells.C) Cells are the smallest living things.D) Cells come from other cells by division.

In a single sodium-potassium pump cycle, ATP is used with the result that A) 2 sodium ion enters and 1 potassium ion leaves the cell. B) 3 sodium ions leave and 2 potassium ions enter the cell. C) 2 sodium ion leaves and 1 potassium ion enters the cell. D) 3 sodium ions enter and 2 potassium ions leave the cell.  

A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA with proteins into a double membrane-bound structure called a: A) nucleolus. B) nucleoid. C) plasma membrane. D) nucleus.