What solution creates the acidic environment in the stomach, kills most microorganisms that enter the mouth, and assists with the breakdown of proteins to polypeptides?
a. mucus c. gastric lipase
b. pepsinogen d. hydrochloric acid (HCl)
D
Hydrochloride acid (HCl) creates the acidic environment of a pH of 1 to 2 . HCl kills most microorganisms that enter the stomach and assists with the breakdown of proteins to polypeptides.
You might also like to view...
The nurse is assisting a victim of an accident who requires bandaging of the right lower extremity. When applying the bandage, the nurse should:
a. use sterile material. b. leave the toes exposed. c. bandage the extremity tightly. d. bend the knee after bandaging.
The nurse questions the patient as to how he has coped with previous stressful situations because the nurse is aware that coping strategies are influenced by (select all that apply):
1. successful coping strategies from the past. 2. family practices and beliefs. 3. role expectations. 4. personal values. 5. cultural expectations.
Why are the death rates from ovarian cancer so high?
a. The causative oncovirus is resistant to chemotherapy and to radiation. b. No symptoms are obvious during the early stages of this disorder. c. Radiation therapy is ineffective because the ovaries are located deep in the pelvis. d. Ovarian cancer occurs mostly in women over the age of 70 who have other health problems.
The nurse's role and responsibilities in informed consent include all the following except:
a. verifying that the patient is aware of options and implications of each. b. advocating to ensure that criteria for autonomous decision making is met. c. explaining the procedure to the patient when the doctor cannot do so. d. signing as a witness attesting that the patient is giving consent willingly.