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BIOS 252 / BIOS252 Exam 2 Actual
Exam 2026/2027 | Anatomy and
Physiology II with Lab | Chamberlain |
Questions with Verified Answers |
100% Correct | Pass Guaranteed
Q001: A blood sample shows a hematocrit of 42%. Which formed element
contributes most directly to this value?
A. Neutrophils
B. Platelets
C. Erythrocytes
D. Lymphocytes
ANSWER: C
Q002: During a lab exercise on cardiac anatomy, you identify a vessel lying in the
anterior interventricular sulcus. Which vessel is this?
A. Coronary sinus
B. Left anterior descending artery
C. Circumflex artery
D. Posterior interventricular artery
ANSWER: B
Q003: A spirometry tracing shows an FEV₁/FVC ratio of 0.65. Which respiratory
condition is most consistent with this value?
A. Normal ventilation
B. Obstructive disease
C. Restrictive disease
D. Pneumothorax
ANSWER: B
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Q004: A student examines a blood smear and notes granulocytes with bilobed
nuclei and scant pink cytoplasm. Which leukocyte is being described?
A. Neutrophil
B. Eosinophil
C. Basophil
D. Monocyte
ANSWER: A
Q005: A patient’s ECG shows a PR interval of 0.24 seconds. Which part of the
conduction system is most likely affected?
A. SA node
B. AV node
C. Bundle of His
D. Purkinje fibers
ANSWER: B
Q006: In a heart model, you locate the valve between the left atrium and left
ventricle. Which valve is this?
A. Tricuspid valve
B. Pulmonary valve
C. Mitral valve
D. Aortic valve
ANSWER: C
Q007: A blood gas reveals pH 7.48, PaCO₂ 30 mmHg, and HCO₃⁻ 22 mEq/L.
Which acid-base imbalance is present?
A. Metabolic acidosis
B. Respiratory alkalosis
C. Metabolic alkalosis
D. Respiratory acidosis
ANSWER: B
Q008: A lab technician counts 180,000 platelets/µL. Which term describes this
count?
A. Thrombocytosis
B. Normal range
C. Thrombocytopenia
BIOS 252 / BIOS252 Exam 2 Actual
Exam 2026/2027 | Anatomy and
Physiology II with Lab | Chamberlain |
Questions with Verified Answers |
100% Correct | Pass Guaranteed
Q001: A blood sample shows a hematocrit of 42%. Which formed element
contributes most directly to this value?
A. Neutrophils
B. Platelets
C. Erythrocytes
D. Lymphocytes
ANSWER: C
Q002: During a lab exercise on cardiac anatomy, you identify a vessel lying in the
anterior interventricular sulcus. Which vessel is this?
A. Coronary sinus
B. Left anterior descending artery
C. Circumflex artery
D. Posterior interventricular artery
ANSWER: B
Q003: A spirometry tracing shows an FEV₁/FVC ratio of 0.65. Which respiratory
condition is most consistent with this value?
A. Normal ventilation
B. Obstructive disease
C. Restrictive disease
D. Pneumothorax
ANSWER: B
, 2
Q004: A student examines a blood smear and notes granulocytes with bilobed
nuclei and scant pink cytoplasm. Which leukocyte is being described?
A. Neutrophil
B. Eosinophil
C. Basophil
D. Monocyte
ANSWER: A
Q005: A patient’s ECG shows a PR interval of 0.24 seconds. Which part of the
conduction system is most likely affected?
A. SA node
B. AV node
C. Bundle of His
D. Purkinje fibers
ANSWER: B
Q006: In a heart model, you locate the valve between the left atrium and left
ventricle. Which valve is this?
A. Tricuspid valve
B. Pulmonary valve
C. Mitral valve
D. Aortic valve
ANSWER: C
Q007: A blood gas reveals pH 7.48, PaCO₂ 30 mmHg, and HCO₃⁻ 22 mEq/L.
Which acid-base imbalance is present?
A. Metabolic acidosis
B. Respiratory alkalosis
C. Metabolic alkalosis
D. Respiratory acidosis
ANSWER: B
Q008: A lab technician counts 180,000 platelets/µL. Which term describes this
count?
A. Thrombocytosis
B. Normal range
C. Thrombocytopenia
