1
Chamberlain BIOS252 Actual Exam
Questions and Answers with
Rationales 2026/2027 | Anatomy &
Physiology II Weeks 5-7 Exam | Pass
Guarantee
Q001: During a lab session, students observe a histology slide of the anterior
pituitary and note acidophilic cells. Which hormone secreted by these cells was
most likely being produced if the staining pattern was prominent?
Options:
A. Adrenocorticotropic hormone (ACTH)
B. Growth hormone (GH)
C. Thyroid-stimulating hormone (TSH)
D. Follicle-stimulating hormone (FSH)
ANSWER: B
Q002: A 42-year-old patient presents with hypertension, hypokalemia, and
metabolic alkalosis. Lab assay shows elevated serum aldosterone and low renin.
Which zone of the adrenal cortex is primarily hyper-secreting?
Options:
A. Zona reticularis
B. Zona glomerulosa
C. Zona fasciculata
, 2
D. Medulla
ANSWER: B
Q003: While reviewing an ECG strip in lab, students measure an R-R interval of
0.6 s. Which heart rate (bpm) corresponds to this interval?
Options:
A. 60
B. 100
C. 150
D. 80
ANSWER: B
Q004: In a spirometry lab, a student’s FEV₁/FVC ratio is 65 %. Which respiratory
condition is most consistent with this obstructive pattern?
Options:
A. Pulmonary fibrosis
B. Asthma
C. Kyphoscoliosis
D. Pneumothorax
ANSWER: B
Q005: A blood sample shows elevated B-type natriuretic peptide (BNP). Which
cardiac chamber wall stretch is the primary stimulus for BNP release?
Options:
A. Right atrium
B. Left ventricle
C. Right ventricle
D. Left atrium
, 3
ANSWER: B
Q006: During a heart dissection, the instructor points to the tricuspid valve. Which
anatomical landmark is directly posterior to this valve?
Options:
A. Aortic vestibule
B. Right ventricular inflow tract
C. Interventricular septum (muscular part)
D. Pulmonary conus
ANSWER: B
Q007: A patient with Hashimoto thyroiditis has high TSH and low free T₄. Which
pituitary cell type is hypertrophied in response to low thyroid hormone feedback?
Options:
A. Corticotrophs
B. Thyrotrophs
C. Gonadotrophs
D. Somatotrophs
ANSWER: B
Q008: In a lymph node slide, students identify large, pale central regions
containing proliferating B cells. Which anatomical term describes this region?
Options:
A. Paracortex
B. Germinal center
C. Medullary cords
D. Subcapsular sinus
ANSWER: B
, 4
Q009: A patient receives a non-selective β blocker. Which change in cardiac output
is most likely due to blockade of β₁ receptors on the SA node?
Options:
A. Increased stroke volume
B. Decreased heart rate
C. Increased ejection fraction
D. Decreased end-diastolic volume
ANSWER: B
Q010: During quiet inspiration in lab, which pressure becomes sub-atmospheric,
promoting air flow into the lungs?
Options:
A. Intrapleural pressure
B. Alveolar pressure
C. Atmospheric pressure
D. Abdominal pressure
ANSWER: B
Q011: A patient with Addison disease has hyperpigmentation. Which pituitary
hormone precursor contains the ACTH sequence that can stimulate melanocytes?
Options:
A. Pre-pro-opiomelanocortin
B. Pro-opiomelanocortin (POMC)
C. Pro-ACTH
D. β-lipotropin
ANSWER: B
Chamberlain BIOS252 Actual Exam
Questions and Answers with
Rationales 2026/2027 | Anatomy &
Physiology II Weeks 5-7 Exam | Pass
Guarantee
Q001: During a lab session, students observe a histology slide of the anterior
pituitary and note acidophilic cells. Which hormone secreted by these cells was
most likely being produced if the staining pattern was prominent?
Options:
A. Adrenocorticotropic hormone (ACTH)
B. Growth hormone (GH)
C. Thyroid-stimulating hormone (TSH)
D. Follicle-stimulating hormone (FSH)
ANSWER: B
Q002: A 42-year-old patient presents with hypertension, hypokalemia, and
metabolic alkalosis. Lab assay shows elevated serum aldosterone and low renin.
Which zone of the adrenal cortex is primarily hyper-secreting?
Options:
A. Zona reticularis
B. Zona glomerulosa
C. Zona fasciculata
, 2
D. Medulla
ANSWER: B
Q003: While reviewing an ECG strip in lab, students measure an R-R interval of
0.6 s. Which heart rate (bpm) corresponds to this interval?
Options:
A. 60
B. 100
C. 150
D. 80
ANSWER: B
Q004: In a spirometry lab, a student’s FEV₁/FVC ratio is 65 %. Which respiratory
condition is most consistent with this obstructive pattern?
Options:
A. Pulmonary fibrosis
B. Asthma
C. Kyphoscoliosis
D. Pneumothorax
ANSWER: B
Q005: A blood sample shows elevated B-type natriuretic peptide (BNP). Which
cardiac chamber wall stretch is the primary stimulus for BNP release?
Options:
A. Right atrium
B. Left ventricle
C. Right ventricle
D. Left atrium
, 3
ANSWER: B
Q006: During a heart dissection, the instructor points to the tricuspid valve. Which
anatomical landmark is directly posterior to this valve?
Options:
A. Aortic vestibule
B. Right ventricular inflow tract
C. Interventricular septum (muscular part)
D. Pulmonary conus
ANSWER: B
Q007: A patient with Hashimoto thyroiditis has high TSH and low free T₄. Which
pituitary cell type is hypertrophied in response to low thyroid hormone feedback?
Options:
A. Corticotrophs
B. Thyrotrophs
C. Gonadotrophs
D. Somatotrophs
ANSWER: B
Q008: In a lymph node slide, students identify large, pale central regions
containing proliferating B cells. Which anatomical term describes this region?
Options:
A. Paracortex
B. Germinal center
C. Medullary cords
D. Subcapsular sinus
ANSWER: B
, 4
Q009: A patient receives a non-selective β blocker. Which change in cardiac output
is most likely due to blockade of β₁ receptors on the SA node?
Options:
A. Increased stroke volume
B. Decreased heart rate
C. Increased ejection fraction
D. Decreased end-diastolic volume
ANSWER: B
Q010: During quiet inspiration in lab, which pressure becomes sub-atmospheric,
promoting air flow into the lungs?
Options:
A. Intrapleural pressure
B. Alveolar pressure
C. Atmospheric pressure
D. Abdominal pressure
ANSWER: B
Q011: A patient with Addison disease has hyperpigmentation. Which pituitary
hormone precursor contains the ACTH sequence that can stimulate melanocytes?
Options:
A. Pre-pro-opiomelanocortin
B. Pro-opiomelanocortin (POMC)
C. Pro-ACTH
D. β-lipotropin
ANSWER: B
