Human Physiology Nptel Week 4 Assignment Answers
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Human Physiology Nptel Week 4 Assignment Answers (July-Dec 2025)
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Question 1. What is the primary mechanism by which oxygen is transported in the blood?
a) As bicarbonate ions
b) Dissolved in plasma
c) In combination with haemoglobin
d) Bound to albumin
Question 2. Which of the following is an example of negative feedback in homeostasis
a) Blood Glucose level regulation
b) Uterine contractions during childbirth
c) Milk production
d) Blood clotting
Question 3. Which of the following is the main method by which carbon dioxide is transported in the blood?
a) Bound to hemoglobin
b) Dissolved in plasma
c) As bicarbonate ions
d) Attached to white blood cells
Question 4. Which of the following is NOT an example of negative feedback?
a) Thermoregulation in humans
b) Blood pressure regulation by baroreceptors
c) Release of oxytocin during labor contractions
d) Blood glucose control by insulin
Question 5. During exercise, oxygen delivery to tissues increases due to:
a) Decrease in body temperature
b) Reduced oxygen demand
c) Higher CO₂ levels and decreased pH
d) Decreased 2,3-DPG levels
Question 6. What does a pulse oximeter measure?
a) Blood pressure and heart rate
b) Arterial carbon dioxide levels
c) Lung volume capacity
d) Oxygen saturation of haemoglobin in blood
Question 7. Which of the following is a not a lung tissue disease?
a) Asthma
b) COPD
c) Amyotropic lateral sclerosis
d) Pneumonia
Question 8. Which gland is referred to as the “Master Gland” due to its regulatory control over other endocrine glands?
a) Pituitary gland
b) Hypothalamus
c) Thyroid gland
d) Adrenal gland
Question 9. Which hormone is secreted by the pineal gland and regulates circadian rhythms?
a) Oxytocin
b) Melatonin
c) Prolactin
d) Dopamine
Question 10. Which gland produces T3 and T4 hormones that regulate metabolism?
a) Parathyroid
b) Pancreas
c) Thyroid
d) Adrenal
These are Human Physiology Nptel Week 4 Assignment Answers