GNM 1st Year Anatomy & Physiology Blood – 5 Marks Questions with Answers | NursingNotesGNM

GNM 1st Year Anatomy and Physiology – Blood | 5 Marks Questions with Answers

By NursingNotesGNM | Updated for GNM Final Exam 2026

GNM 1st Year Anatomy & Physiology Blood – 5 Marks Questions with Answers | NursingNotesGNM

The unit Blood is a high‑scoring topic in GNM 1st Year Anatomy and Physiology. Questions from this unit are frequently asked as 5 marks short essays in GNM Final Exams, ANM, Staff Nurse, NORCET, AIIMS, and various State Nursing Examinations. These answers are written strictly as per the INC syllabus, using simple nursing language and exam‑friendly structure.

At NursingNotesGNM, all 5 marks questions are arranged with clear definitions, headings, and point‑wise explanations to help students score full marks.

Important 5 Marks Questions with Answers – Blood (GNM)

1. Define blood and write its functions

Answer:
Blood is a fluid connective tissue that circulates throughout the body.

Functions of Blood:

  • Transport of oxygen, nutrients, and hormones

  • Removal of waste products

  • Regulation of body temperature

  • Protection against infection

  • Blood clotting to prevent blood loss

2. Describe the composition of blood

Answer:
Blood consists of plasma and formed elements.

1. Plasma (55%)

  • Water

  • Proteins (albumin, globulin, fibrinogen)

  • Electrolytes, nutrients, hormones

2. Formed Elements (45%)

  • Red blood cells (RBC)

  • White blood cells (WBC)

  • Platelets

3. Write a short note on Red Blood Cells (RBC)

Answer:
Red blood cells are also called erythrocytes.

Features:

  • Biconcave shape

  • Contain hemoglobin

  • Life span: 120 days

Functions:

  • Transport oxygen

  • Carry carbon dioxide

RBC are produced in bone marrow and destroyed mainly in spleen.

4. Write a short note on White Blood Cells (WBC)

Answer:
White blood cells are called leukocytes and help in body defense.

Types:

  • Neutrophils

  • Eosinophils

  • Basophils

  • Lymphocytes

  • Monocytes

Functions:

  • Fight infection

  • Provide immunity

  • Destroy foreign particles

5. Write a short note on Platelets

Answer:
Platelets are also known as thrombocytes.

Features:

  • Small, colourless cells

  • Life span: 7–10 days

Functions:

6. Describe plasma and its functions

Answer:
Plasma is the liquid part of blood.

Components:

  • Water

  • Plasma proteins

  • Electrolytes

  • Nutrients

Functions:

  • Transport substances

  • Maintain blood volume

  • Help in clotting

7. Explain blood groups

Answer:
Blood groups are classified mainly by the ABO system and Rh factor.

ABO System:

  • A, B, AB, O

Rh System:

  • Rh positive

  • Rh negative

O negative is universal donor and AB positive is universal recipient.

8. Write a short note on coagulation of blood

Answer:
Coagulation is the process of blood clot formation.

Steps:

  • Platelet activation

  • Conversion of fibrinogen to fibrin

  • Formation of clot

Vitamin K is essential for clotting.

GNM Exam Writing Tips – NursingNotesGNM

  • Start answers with definition

  • Write in points

  • Mention functions clearly

  • Maintain neat handwriting

  • Draw diagrams if possible


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