Examsrevision

1. A patient has been diagnosed with hairy cell leukemia. The patient is to begin taking interferon alfa 2b. What will the nurse include in her instructions to the patient concerning this drug? a. Avoid drinking alcohol while taking the drug. b. Continue to maintain maximal physical activity. c. Increase fluid intake while taking the drug. d. Treat constipation with over-the-counter laxatives. Ans: C Feedback: Interferon alfa 2b is metabolized in the kidney so adequate fluid intake is ...

1. The body’s first-line barrier defense is considered to be what? a. Mast cells b. Mucous membranes c. Skin d. T cells Ans: C Feedback: The skin is the first line of barrier defense. It acts as a physical barrier to protect the internal tissues and organs of the body. Mast cells are part of cellular defense. They are found in the respiratory and GI tracts and are fixed basophils that do not circulate. Mucous membranes are a barrier defense that line the areas of the body that are exp...

Chapter 06 Challenges to Effective Drug Therapy Chapter 07 Introduction to Cell Physiology Chapter 08 Antiinfective Agents Chapter 09 Antibiotics Chapter 10 Antiviral Agents

1. A public health nurse is speaking to parents of first graders. When discussing worm infection, the nurse will explain that the most common type found in U.S. school-aged children is what? a. Pinworms b. Roundworms c. Threadworms d. Whipworms Ans: A Feedback: The most common worm infection encountered in U.S. school-aged children is pinworms. These worms are endogenous to the area and easily spread. Roundworms, whipworms, and threadworms are not as common. 2. A mother of a 3-year-o...

1. The process of cancerous cells exhibiting a loss of cellular differentiation and organization leading to a loss of their ability to function normally is called what? a. Anaplasia b. Angiogenesis c. Autonomy d. Metastasis Ans: A Feedback: Cancerous cells exhibit anaplasia, which is a loss of cellular differentiation and organization that leads to a loss of their ability to function normally. Angiogenesis refers to the abnormal cells releasing enzymes that generate blood vessels in the...

1. The patient is having an acute malarial attack with chills and fever. The nurse knows chills and fever are caused by what? a. Formation of sporozoites into the system b. Rupture of red blood cells due to invasion of merozoites c. Invasion of the tsetse fly into the central nervous system d. Release of amastigotes into the blood vessels Ans: B Feedback: The chills and fever associated with an acute malarial attack are caused by the rupture of red blood cells containing merozoites. The...

1. The nurse explains why viruses are so difficult to treat when making what statement? a. Viruses are contained inside the human cell and cannot be destroyed without destroying the cell. b. Release of interferons by the host cell makes the virus replicate more quickly allowing the virus to spread. c. Drugs exist to treat all viral infections but they carry serious adverse effects and the benefit often does not outweigh the risk. d. Individual antiviral drugs are often effective in treating ...

1. A 17-year-old male patient with athlete’s foot is extremely upset that he cannot get rid of it. He calls the clinic and asks the nurse whether the doctor can give him an antibiotic to cure the infection. What should the nurse include in the explanation of treatment for fungal infections? a. Fungi differ from bacteria in that the fungus has flexible cell walls that allow for free transfer into and out of the cell. b. Protective layers contain sterols, which change the membrane permeability...

1. A 32-year-old female patient is admitted to the floor with a superinfection. Her orders read tigecycline (Tygacil) 100 mg IV followed by 50 mg IV every 12 hours infused over 30 to 60 minutes for 5 days. What would be important for the nurse to educate this patient about? a. Analgesics b. Antihistamines c. Contraceptives d. Decongestants Ans: C Feedback: Many antibiotics interfere with the effectiveness of oral contraceptives and unplanned pregnancies can occur. Women should be advise...

1. A researcher is studying chromosomal disorders. What part of the human cell would the researcher be interested in studying? a. Cytoplasm b. Membrane c. Nucleus d. Organelles Ans: C Feedback: The nucleus of a cell contains all of the genetic material that is necessary for cell reproduction. The nucleus also contains genes or sequences of deoxyribonucleic acid (DNA). Genes are responsible for the formation of messenger ribonucleic acid (mRNA) and transcription RNA, which are involved ...