MIDTERM EXAM - NR 507 PATHO -
CHAMBERLAIN
Latest 2023 / 2024
1. Question : Hemolytic disease of the newborn (HDN) can occur if
the mother:
Student
Answer:
Instructor
Explanation:
Is Rh-positive and the fetus is Rh-negative
Is Rh-negative and the fetus is Rh-positive Has type A blood and the fetus has type O Has type AB blood and the fetus has type B HDN can occur only if antigens on fetal erythrocytes differ from antigens on maternal erythrocytes. Maternal-fetal incompatibility exists only if the mother and fetus differ in ABO blood type or if the fetus is Rh-positive and the mother is Rh-negative. This erythrocyte incompatibility does not exist in any of the other options.
-589875941 MultipleChoice 68 True
- -589875941 MultipleChoice 68
Question 2. Question : Examination of the throat in a child demonstrating signs
and symptoms of acute epiglottitis may contribute to which life-threatening complication?
Student
Answer:
Instructor
Explanation:
Retropharyngeal abscess
Laryngospasms Rupturing of the tonsils Gagging induced aspiration Examination of the throat may trigger laryngospasm and cause respiratory collapse. Death may occur in a few hours. This selection is the only option that accurately identifies the life- threatening complication that can result from an examination of 1 / 3
the throat of a child who demonstrates the signs and symptoms of acute epiglottitis.
-589875940 MultipleChoice 87 True
- -589875940 MultipleChoice 87
Question 3. Question : If the sinoatrial (SA) node fails, then at what rate
(depolarizations per minute) can the atrioventricular (AV) node depolarize?
Student
Answer:
Instructor
Explanation:
60 to 70
40 to 60 30 to 40 10 to 20 If the SA node is damaged, then the AV node will become the heart’s pacemaker at a rate of approximately 40 to 60 spontaneous depolarizations per minute.
-589875939 MultipleChoice 75 True
- -589875939 MultipleChoice 75
Question 4. Question : What is the ratio of coronary capillaries to cardiac
muscle cells?
Student
Answer:
Instructor
Explanation:
1:1 (one capillary per one muscle cell)
1:2 (one capillary per two muscle cells)
1:4 (one capillary per four muscle cells)
1:10 (one capillary per ten muscle cells)
The heart has an extensive capillary network, with approximately 3300 capillaries per square millimeter (ca/mm 2
- or approximately
one capillary per one muscle cell (muscle fiber).
-589875938 MultipleChoice 73 True 2 / 3
- -589875938 MultipleChoice 73
Question 5. Question : Which cytokines initiate the production of corticotropin- releasing hormone (CRH)?
Student
Answer:
Instructor
Explanation:
IL–1 and IL-6
IL-2 and TNF- IFN and IL-12 TNF-ß and IL-4 Although a number of stress factors initiate the production of CRH, of the options available, only high levels of IL-1 and IL-6 initiate such a response.
-589875937 MultipleChoice 21 True
- -589875937 MultipleChoice 21
Question 6. Question : What process allows the kidney to respond to an increase
in workload?
Student
Answer:
Instructor
Explanation:
Glomerular filtration
Secretion of 1,25-dihydroxyvitamin D3 Increased heart rate Compensatory hypertrophy Compensatory hypertrophy allows the kidney to respond to an increase in workload throughout life. The remaining options are not relevant to accommodating an increased workload.
-589875936 MultipleChoice 108 True
- -589875936 MultipleChoice 108
Question 7. Question : Which type of antibody is involved in type I
hypersensitivity reaction?Student IgA
- / 3