NURS 370 Medsurg Slide Questions and Correct Answers for Midterm 1 Exam
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Course
NUR 370
Institution
NUR 370
A client is brought to the emergency department with a burn injury. The nurse knows that the first is systemic instability. True/ False
True
Which is the correct interpretation of this arterial blood gas (ABG)? pH = 7.5 PaCO2 = 37 HCO3 = 30
A.Respiratory Acidosis B.Respiratory Alkalosis C.Metabo...
NURS 370 Medsurg Slide Questions and
Correct Answers for Midterm 1 Exam
A client is brought to the emergency department with a burn injury. The nurse knows
that the first is systemic instability. True/ False
✅True
Which is the correct interpretation of this arterial blood gas (ABG)?
pH = 7.5
PaCO2 = 37
HCO3 = 30
Rationale: The pH is above the normal range indicating alkalosis. The CO2 is within
normal range indicating no respiratory involvement. The HCO3 is above normal range
indicating alkalosis. When the body absorbs too much bicarbonate, this creates a
metabolic imbalance.
Is the following statement true or false?
Diffusion is the process by which solutes move from an area of higher concentration to
one of lower concentration and requires energy. ✅False
Rationale: Although diffusion occurs when fluid moves from an area of higher to lower
concentration, this process does not require an expenditure of energy.
Is the following statement true or false?
An isotonic solution, such as 0.9% NaCl (Normal Saline), is the only intravenous
solution that may be administered with blood products. ✅True
Rationale: Tonicity is the tension that osmotic pressure of a solution with impermeable
solutes exerts on cell size because of water movement across the cell membrane.
Normal saline has nearly the same tonicity as plasma.
IF a blood culture is prescribed, that specimen is ALWAYS drawn first.
True/False ✅True!
, Rationale: Order of Draw! Do blood cultures first then go by color cap. If not followed,
some of the additives can be added from one tube to another leading to contamination/
misdiagnosis
Do you do aerobic or anaerobic first? ✅Aerobic first!
•When blood cultures are ordered with other lab tests, the blood culture specimen is
ALWAYS drawn first ✅(this is to minimize the potential for contamination during the
draw process, since the whole purpose of culturing the blood is to discover if the blood
stream is infected with an organism so one takes precaution to avoid contamination of
blood culture specimens)
When blood cultures are ordered, blood is put into BOTH an anaerobic AND an aerobic
bottle • An order for a single blood culture means one venous "stick" with blood put into
BOTH an anaerobic AND an aerobic bottle • An order for "paired blood cultures" means
collection of blood from TWO DIFFERENT sites (serves as a control for false negatives
and false positives) • The bottles are different colors (anaerobic and aerobic) & fill
volumes required are printed on the bottles
Is the following statement true or false?
Hematopoiesis is the complex process of the formation and maturation of blood cells.
✅True!
Rationale: Hematopoiesis is the complex process of the formation and maturation of
blood cells. This process occurs in the bone marrow and begins with the differentiation
of stem cells into either myeloid or lymphoid stem cells. Myeloid stem cells differentiate
into erythrocytes, leukocytes, and platelets. Lymphoid stem cells produce either T or B
lymphocytes.
Which type of cells increase in number when the patient is exposed to a bacterial
infection?
A. Erythrocyte
B. Eosinophil
C. Neutrophil
D. Thrombocyte
E. Monocyte ✅C.Neutrophil
Rationale: The neutrophils are the mature, circulating white blood cells. When a
bacterial infection occurs, the neutrophils will increase in order to phagocytize the
bacteria.
Is the following statement true or false?
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