,1. Multiple Choice: Which hormone is primarily involved in the regulation
of serum calcium levels?
a) Insulin
b) Thyroxine
c) Parathyroid hormone
d) Cortisol
Correct Answer: c) Parathyroid hormone
Rationale: Parathyroid hormone regulates calcium levels in the blood,
largely by increasing the levels when they are too low.
2. Fill-in-the-Blank: __________ is the process by which a white blood cell
engulfs and digests pathogens.
Correct Answer: Phagocytosis
Rationale: Phagocytosis is a crucial part of the immune response by which
white blood cells ingest harmful foreign particles, bacteria, and dead or
dying cells.
3. True/False: The glomerular filtration rate is an accurate indicator of renal
function.
Correct Answer: True
Rationale: The glomerular filtration rate (GFR) measures how well the
kidneys are filtering. A decline in GFR can indicate renal impairment.
, 4. Multiple Response: Select all that apply. Which of the following are
functions of the liver?
a) Protein synthesis
b) Hormone production
c) Detoxification
d) Erythropoiesis
Correct Answers: a) Protein synthesis, c) Detoxification
Rationale: The liver is essential for detoxifying harmful substances and
synthesizing proteins, but it is not a primary site of hormone production or
erythropoiesis.
5. Multiple Choice: A patient with a history of chronic heart failure is most
at risk for developing which type of acid-base imbalance?
a) Respiratory alkalosis
b) Metabolic acidosis
c) Metabolic alkalosis
d) Respiratory acidosis
Correct Answer: b) Metabolic acidosis
Rationale: Chronic heart failure can lead to metabolic acidosis due to
poor perfusion and subsequent lactic acid buildup.
6. Fill-in-the-Blank: The presence of Reed-Sternberg cells is a diagnostic
feature of __________.
Correct Answer: Hodgkin's lymphoma
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