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BIOL122 HUMAN BIOLOGICAL SCIENCE 2
FINAL EXAM COMPREHENSIVE REVIEW
[QUESTION 1-200] AND ANSWERS
UPDATED 2026/2027 | 100% VERIFIED
| DETAILED RATIONALES – PASS
GUARANTEED A+ GRADED | INSTANT
DOWNLOAD
Introduction
BIOL122 Human Biological Science 2 at Australian Catholic University builds on
foundational human biology by examining how body systems function, interact, and
respond to physiological challenges. This comprehensive final-exam review is
designed for students who want to consolidate their understanding, apply scientific
concepts to clinical scenarios, and prepare for assessments involving human anatomy,
physiology, homeostasis, and disease processes.
The practice bank uses challenging, application-focused multiple-choice questions
with four options and detailed rationales. Questions emphasize interpreting
physiological changes, linking structure to function, predicting the consequences of
disrupted homeostasis, and distinguishing related biological mechanisms. Clinical-
style scenarios encourage students to move beyond memorization and develop the
analytical reasoning needed to explain why a physiological response occurs.
Use this resource alongside your BIOL122 lecture notes, workshop materials,
prescribed readings, and assessment guidance. The questions are original study
exercises, not verified copies of Australian Catholic University examination questions.
Course coverage and terminology may vary by teaching period, so prioritize your
current unit outline. Review each rationale carefully, revisit unfamiliar concepts, and
use incorrect answers to identify topics that need further study.
Core domains tested
1.
Cardiovascular physiology: Cardiac function, circulation, blood pressure, and
tissue perfusion.
2.
3.
,2
Respiratory physiology: Ventilation, gas exchange, oxygen transport, and
acid–base balance.
4.
5.
Renal physiology: Filtration, reabsorption, fluid regulation, electrolyte balance,
and urine formation.
6.
7.
Endocrine regulation: Hormones, feedback mechanisms, glucose regulation,
and stress responses.
8.
9.
Nervous system: Neural signalling, autonomic regulation, and coordination of
body functions.
10.
11.
Immune and lymphatic systems: Innate and adaptive immunity, inflammation,
and immune responses.
12.
13.
Digestive physiology and metabolism: Digestion, absorption, nutrient use, and
energy balance.
14.
15.
Musculoskeletal physiology: Muscle contraction, bone function, and calcium
regulation.
16.
17.
Homeostasis and integration: Interactions between body systems and
responses to physiological stress.
18.
19.
, 3
Pathophysiology applications: Mechanisms underlying conditions such as
asthma and type 2 diabetes, where relevant to the unit content.
20.
QUESTIONS 1–100
Cardiovascular physiology
Q1: A patient develops significant blood loss following an injury. Blood pressure falls,
and the heart rate rises. Which physiological response most directly helps preserve
arterial pressure initially?
A) Reduced sympathetic stimulation of the heart B) Increased sympathetic activity
causing tachycardia and peripheral vasoconstriction C) Increased parasympathetic
activity causing vasoconstriction D) Reduced venous return to decrease cardiac
workload
Rationale: Increased sympathetic activity raises heart rate and myocardial contractility
while constricting many systemic arterioles, helping maintain arterial pressure. A is
incorrect because reduced sympathetic activity would generally lower heart rate and
contractility. C is incorrect because parasympathetic activity typically slows the heart
and does not produce widespread systemic vasoconstriction. D is incorrect because
reduced venous return lowers preload and can further decrease cardiac output.
Q2: A patient has a markedly reduced left ventricular ejection fraction. Which
consequence is most likely if the condition progresses?
A) Increased oxygen delivery despite reduced cardiac output B) Increased renal
filtration caused by improved perfusion C) Reduced systemic perfusion with possible
pulmonary congestion D) Increased stroke volume because the ventricle ejects a
greater proportion of blood
Rationale: Reduced left ventricular pumping effectiveness can lower cardiac output
and systemic perfusion. Blood may accumulate upstream in the pulmonary circulation,
producing congestion. A is incorrect because reduced cardiac output can impair
oxygen delivery. B is incorrect because diminished renal perfusion may reduce
filtration. D is incorrect because a low ejection fraction means a smaller proportion of
end-diastolic ventricular volume is ejected.
Q3: A person stands rapidly after lying down and briefly feels light-headed. Which
mechanism normally corrects the initial fall in arterial pressure?
A) Reduced heart rate through vagal stimulation B) Increased atrial natriuretic peptide
secretion C) Reduced peripheral vascular resistance D) Baroreceptor-mediated
increases in sympathetic activity
BIOL122 HUMAN BIOLOGICAL SCIENCE 2
FINAL EXAM COMPREHENSIVE REVIEW
[QUESTION 1-200] AND ANSWERS
UPDATED 2026/2027 | 100% VERIFIED
| DETAILED RATIONALES – PASS
GUARANTEED A+ GRADED | INSTANT
DOWNLOAD
Introduction
BIOL122 Human Biological Science 2 at Australian Catholic University builds on
foundational human biology by examining how body systems function, interact, and
respond to physiological challenges. This comprehensive final-exam review is
designed for students who want to consolidate their understanding, apply scientific
concepts to clinical scenarios, and prepare for assessments involving human anatomy,
physiology, homeostasis, and disease processes.
The practice bank uses challenging, application-focused multiple-choice questions
with four options and detailed rationales. Questions emphasize interpreting
physiological changes, linking structure to function, predicting the consequences of
disrupted homeostasis, and distinguishing related biological mechanisms. Clinical-
style scenarios encourage students to move beyond memorization and develop the
analytical reasoning needed to explain why a physiological response occurs.
Use this resource alongside your BIOL122 lecture notes, workshop materials,
prescribed readings, and assessment guidance. The questions are original study
exercises, not verified copies of Australian Catholic University examination questions.
Course coverage and terminology may vary by teaching period, so prioritize your
current unit outline. Review each rationale carefully, revisit unfamiliar concepts, and
use incorrect answers to identify topics that need further study.
Core domains tested
1.
Cardiovascular physiology: Cardiac function, circulation, blood pressure, and
tissue perfusion.
2.
3.
,2
Respiratory physiology: Ventilation, gas exchange, oxygen transport, and
acid–base balance.
4.
5.
Renal physiology: Filtration, reabsorption, fluid regulation, electrolyte balance,
and urine formation.
6.
7.
Endocrine regulation: Hormones, feedback mechanisms, glucose regulation,
and stress responses.
8.
9.
Nervous system: Neural signalling, autonomic regulation, and coordination of
body functions.
10.
11.
Immune and lymphatic systems: Innate and adaptive immunity, inflammation,
and immune responses.
12.
13.
Digestive physiology and metabolism: Digestion, absorption, nutrient use, and
energy balance.
14.
15.
Musculoskeletal physiology: Muscle contraction, bone function, and calcium
regulation.
16.
17.
Homeostasis and integration: Interactions between body systems and
responses to physiological stress.
18.
19.
, 3
Pathophysiology applications: Mechanisms underlying conditions such as
asthma and type 2 diabetes, where relevant to the unit content.
20.
QUESTIONS 1–100
Cardiovascular physiology
Q1: A patient develops significant blood loss following an injury. Blood pressure falls,
and the heart rate rises. Which physiological response most directly helps preserve
arterial pressure initially?
A) Reduced sympathetic stimulation of the heart B) Increased sympathetic activity
causing tachycardia and peripheral vasoconstriction C) Increased parasympathetic
activity causing vasoconstriction D) Reduced venous return to decrease cardiac
workload
Rationale: Increased sympathetic activity raises heart rate and myocardial contractility
while constricting many systemic arterioles, helping maintain arterial pressure. A is
incorrect because reduced sympathetic activity would generally lower heart rate and
contractility. C is incorrect because parasympathetic activity typically slows the heart
and does not produce widespread systemic vasoconstriction. D is incorrect because
reduced venous return lowers preload and can further decrease cardiac output.
Q2: A patient has a markedly reduced left ventricular ejection fraction. Which
consequence is most likely if the condition progresses?
A) Increased oxygen delivery despite reduced cardiac output B) Increased renal
filtration caused by improved perfusion C) Reduced systemic perfusion with possible
pulmonary congestion D) Increased stroke volume because the ventricle ejects a
greater proportion of blood
Rationale: Reduced left ventricular pumping effectiveness can lower cardiac output
and systemic perfusion. Blood may accumulate upstream in the pulmonary circulation,
producing congestion. A is incorrect because reduced cardiac output can impair
oxygen delivery. B is incorrect because diminished renal perfusion may reduce
filtration. D is incorrect because a low ejection fraction means a smaller proportion of
end-diastolic ventricular volume is ejected.
Q3: A person stands rapidly after lying down and briefly feels light-headed. Which
mechanism normally corrects the initial fall in arterial pressure?
A) Reduced heart rate through vagal stimulation B) Increased atrial natriuretic peptide
secretion C) Reduced peripheral vascular resistance D) Baroreceptor-mediated
increases in sympathetic activity
