Grade A - Galen 2026/2027
OBJECTIVE ASSESSMENT - EXAM
Exam 2: NU110 / NU 110 (Latest 2026/2027) Integrated Human Sciences |
Questions & Answers | 100 % Correct | Grade A - Galen 2026/2027
75 100% 2026/2027
QUESTIONS VERIFIED ANSWERS EDITION
TOPICS COVERED
Human Anatomy & Physiology Clinical Reasoning & Diagnostics
Pathophysiology & Disease Processes Integrated Health Sciences Concepts
Pharmacology & Medication Effects Evidence-Based Nursing Application
COVER PAGE - 1
,SECTION 1 | Human Anatomy & Physiology | Q1-Q15 | Exam 2: NU110 / NU 110 (Latest 2026/2027) Integrated Human
Sciences | Questions & Answers | 100 % Correct | Grade A - Galen 2026/2027 2026/2027
Q1 Question 1 of 75
Q1. A 25-year-old patient is exposed to cold weather and the body initiates shivering and peripheral
vasoconstriction to maintain core temperature. Which physiological process is being demonstrated?
A. Positive feedback
B. Cellular adaptation
C. Negative feedback homeostasis
D. Active transport
Correct Answer: C
Rationale:
Negative feedback homeostasis reverses a deviation from a set point, as shivering and vasoconstriction
work to restore normal body temperature. Choice A amplifies a change, choice C is cellular adaptation to
stress, and choice D is a transport mechanism.
Q2 Question 2 of 75
Q2. A nursing student is studying cardiac conduction and asks the instructor which structure normally
initiates the electrical impulse in the heart. Which structure serves as the natural pacemaker?
A. Atrioventricular (AV) node
B. Purkinje fibers
C. Bundle of His
D. Sinoatrial (SA) node
Correct Answer: D
Rationale:
The sinoatrial (SA) node, located in the right atrium, is the natural pacemaker of the heart, generating
electrical impulses at 60 to 100 beats per minute. Choices A, C, and D conduct the impulse but do not
normally initiate it.
Exam 2: NU110 / NU 110 (Latest 2026/2027) Integrated Human Sciences | Questions & Answers | 100 % Correct | Grade A - Galen 2026/2027 - 2026/2027 | Passing Score: 80% | Page 2 of 42
, Q3 Question 3 of 75
Q3. A physiology instructor explains that during ventricular systole, the ventricles contract and eject
blood into the arteries. Which heart sound corresponds to the closure of the semilunar valves at the
end of ventricular systole?
A. S1 (lub)
B. S2 (dub)
C. S3
D. S4
Correct Answer: B
Rationale:
S2 (dub) is produced by closure of the aortic and pulmonic semilunar valves at the end of ventricular systole.
Choice A (S1) is from AV valve closure, and choices C and D are abnormal sounds.
Q4 Question 4 of 75
Q4. A patient experiences a sudden drop in blood pressure, and the kidneys release renin to activate
the renin-angiotensin-aldosterone system. Which hormone ultimately helps raise blood pressure by
promoting sodium and water retention?
A. Insulin
B. Aldosterone
C. Cortisol
D. Glucagon
Correct Answer: B
Rationale:
Aldosterone, released from the adrenal cortex in response to angiotensin II, promotes sodium and water
retention in the kidneys, raising blood pressure. Choices A, C, and D are hormones with different primary
functions.
Exam 2: NU110 / NU 110 (Latest 2026/2027) Integrated Human Sciences | Questions & Answers | 100 % Correct | Grade A - Galen 2026/2027 - 2026/2027 | Passing Score: 80% | Page 3 of 42
, Q5 Question 5 of 75
Q5. A patient with COPD has chronic CO2 retention and relies on a hypoxic drive rather than CO2
drive to breathe. Which structure normally detects changes in blood CO2 and pH to regulate
respiration?
A. Carotid body chemoreceptors
B. Aortic body chemoreceptors only
C. Stretch receptors in the lungs
D. Central chemoreceptors in the medulla
Correct Answer: D
Rationale:
Central chemoreceptors in the medulla detect changes in cerebrospinal fluid pH (reflecting CO2 levels) and
regulate respiration accordingly. Choices A and B are peripheral chemoreceptors for oxygen, and choice D
detects lung expansion.
Q6 Question 6 of 75
Q6. A patient with chronic kidney disease has impaired erythropoietin production, leading to anemia.
Which organ normally produces erythropoietin in response to low oxygen levels?
A. Liver
B. Spleen
C. Bone marrow
D. Kidneys
Correct Answer: D
Rationale:
The kidneys produce erythropoietin in response to hypoxia, stimulating red blood cell production in the bone
marrow. Choices A, B, and D are not the primary sites of erythropoietin production in adults.
Exam 2: NU110 / NU 110 (Latest 2026/2027) Integrated Human Sciences | Questions & Answers | 100 % Correct | Grade A - Galen 2026/2027 - 2026/2027 | Passing Score: 80% | Page 4 of 42