Which of the following statements concerning the lipid composition of the plasma membrane is False?
a. Membrane phospholipids are amphipathic and contain two hydrophobic fatty acyl chains, each typically containing an even number of carbon atoms
b. Lysosomes represent the most abundant class of membrane lipids
c. Cholesterol intercalates between phospholipids and slows their lateral movement within the plasma membrane
d. The hydrophobic effect drives the formation of the phospholipid bilayer
Ans: b. Lysosomes represent the most abundant class of membrane lipids
You might also like to view...
Each evening, a newly disabled man becomes angry when his wife, just home from her new full-time job, does not have dinner on the table at 6 PM. Which of the following actions would be most appropriate for the nurse to take?
a. Allow the wife to express her frustration and anger to you b. Explain to the husband that he is going to have to begin learning how to cook c. Help all family members recognize that long-time roles are being changed and change is uncomfortable for everyone d. Suggest to the children who are old enough that they prepare some simple meals during the week with the mother doing the fancy cooking only on weekends
A 25-pound child is in the clinic because of vomiting the last 24 hours. The nurse is to administer trimethobenzamide (Tigan). What dose will the nurse administer by what route?
A) 0.25 mg IV B) 1.1 mg/kg IM C) 100 mg rectally D) 200 mg orally
The nurse notes from the physician's charting concern that the patient may have a malignant tumor in the breast. Based upon assessment data, the mass when palpated is:
A) Nontender B) A regular shape C) A soft and regular shape D) Mobile tissue
The nurse is caring for a hospitalized 4-year-old boy. His parents tell the nurse they will be back to visit at 6 PM. When he asks the nurse when his parents are coming, what would the nurse's best response be?
a. "They will be here soon." b. "They will come after dinner." c. "Let me show you on the clock when 6 PM is." d. "I will tell you every time I see you how much longer it will be."