MERU UNIVERSITY OF SCIENCE AND TECHNOLOGY
P.O. Box 972-60200 – Meru-Kenya.
Tel: +254 (0)799529958, +254 (0)799529959, +254 (0)712524293
Website: www.must.ac.ke Email:
University Examinations 2025/2026
FIRST YEAR, FIRST SEMESTER SPECIAL/SUPPLEMENTARY EXAMINATION FOR THE
DEGREE OF BACHELOR OF SCIENCE IN NURSING AND BACHELOR OF SCIENCE IN
MIDWIFERY
NND 3112/NNM 3112: MEDICAL PHYSIOLOGY I
DATE: MARCH 2026 TIME: 3 HOURS
INSTRUCTIONS
Answer All questions
Ensure that all your answers are properly numbered
Part I multiple Choice Questions (MCQ): Write the correct answer on the space provided in the
answer booklet. Each MCQ is one mark
Part Il: Short Answer Questions — Answer questions following each other on the answer booklet
Part Ill: Long Answer Questions — Answer each question on the answer booklet
SECTION 1 MULTIPLE CHOICE (20 MARKS)
1. Which list below contains the four types of tissue?
A. extracellular fluid, skeletal tissue, glandular tissue, connective tissue.
B. extracellular fluid, muscle tissue, glandular tissue, cartilaginous tissue.
C. neural tissue, skeletal tissue, epithelial tissue, cartilaginous tissue.
D. Neural tissue, muscle tissue, epithelial tissue, connective tissue.
2. The major lipoprotein source of the cholesterol used in cells is
A. chylomicrons.
B. intermediate-density lipoproteins (IDLs).
C. albumin-bound free fatty acids
D. Low density lipoproteins (LDL)
, 3.G protein-coupled receptors c
A. are intracellular membrane proteins that help to regulate movement within the cell.
B. are plasma membrane proteins that couple the extracellular binding of primary signaling molecules
to activation of small G proteins.
C. are plasma membrane proteins that couple the extracellular binding of primary signaling molecules
to the activation of heterotrimeric G proteins.
D. are intracellular proteins that couple the binding of primary messenger molecules with
transcription.
4. Gap junctions are intercellular connections that
A. primarily serve to keep cells separated and allow for transport across a tissue barrier.
B. serve as a regulated cytoplasmic bridge for sharing of small molecules between cells.
C. serve as a barrier to prevent protein movement within the cellular membrane.
D. are cellular components for constitutive exocytosis that occurs between adjacent cells.
5. Which of the following has the slowest conduction velocity?
A. A β fibers
B. A γ fibers
C. B fibers
D. C fibers
6. The action potential of skeletal muscle
A. has a prolonged plateau phase
B. spreads inward to all parts of the muscle via the T tubules.
C. causes the immediate uptake of Ca2+ into the lateral sacs of the sarcoplasmic reticulum.
D. is longer than the action potential of cardiac muscle
7. The functions of tropomyosin in skeletal muscle include
A. sliding on actin to produce shortening.
B. releasing Ca2+ after initiation of contraction.
C. binding to myosin during contraction.
D. acting as a "relaxing protein" at rest by covering up the sites where myosin binds to actin
8. The cross-bridges of the sarcomere in skeletal muscle are made up of
A. actin.
B. myosin.
C. troponin.
D. tropomyosin
P.O. Box 972-60200 – Meru-Kenya.
Tel: +254 (0)799529958, +254 (0)799529959, +254 (0)712524293
Website: www.must.ac.ke Email:
University Examinations 2025/2026
FIRST YEAR, FIRST SEMESTER SPECIAL/SUPPLEMENTARY EXAMINATION FOR THE
DEGREE OF BACHELOR OF SCIENCE IN NURSING AND BACHELOR OF SCIENCE IN
MIDWIFERY
NND 3112/NNM 3112: MEDICAL PHYSIOLOGY I
DATE: MARCH 2026 TIME: 3 HOURS
INSTRUCTIONS
Answer All questions
Ensure that all your answers are properly numbered
Part I multiple Choice Questions (MCQ): Write the correct answer on the space provided in the
answer booklet. Each MCQ is one mark
Part Il: Short Answer Questions — Answer questions following each other on the answer booklet
Part Ill: Long Answer Questions — Answer each question on the answer booklet
SECTION 1 MULTIPLE CHOICE (20 MARKS)
1. Which list below contains the four types of tissue?
A. extracellular fluid, skeletal tissue, glandular tissue, connective tissue.
B. extracellular fluid, muscle tissue, glandular tissue, cartilaginous tissue.
C. neural tissue, skeletal tissue, epithelial tissue, cartilaginous tissue.
D. Neural tissue, muscle tissue, epithelial tissue, connective tissue.
2. The major lipoprotein source of the cholesterol used in cells is
A. chylomicrons.
B. intermediate-density lipoproteins (IDLs).
C. albumin-bound free fatty acids
D. Low density lipoproteins (LDL)
, 3.G protein-coupled receptors c
A. are intracellular membrane proteins that help to regulate movement within the cell.
B. are plasma membrane proteins that couple the extracellular binding of primary signaling molecules
to activation of small G proteins.
C. are plasma membrane proteins that couple the extracellular binding of primary signaling molecules
to the activation of heterotrimeric G proteins.
D. are intracellular proteins that couple the binding of primary messenger molecules with
transcription.
4. Gap junctions are intercellular connections that
A. primarily serve to keep cells separated and allow for transport across a tissue barrier.
B. serve as a regulated cytoplasmic bridge for sharing of small molecules between cells.
C. serve as a barrier to prevent protein movement within the cellular membrane.
D. are cellular components for constitutive exocytosis that occurs between adjacent cells.
5. Which of the following has the slowest conduction velocity?
A. A β fibers
B. A γ fibers
C. B fibers
D. C fibers
6. The action potential of skeletal muscle
A. has a prolonged plateau phase
B. spreads inward to all parts of the muscle via the T tubules.
C. causes the immediate uptake of Ca2+ into the lateral sacs of the sarcoplasmic reticulum.
D. is longer than the action potential of cardiac muscle
7. The functions of tropomyosin in skeletal muscle include
A. sliding on actin to produce shortening.
B. releasing Ca2+ after initiation of contraction.
C. binding to myosin during contraction.
D. acting as a "relaxing protein" at rest by covering up the sites where myosin binds to actin
8. The cross-bridges of the sarcomere in skeletal muscle are made up of
A. actin.
B. myosin.
C. troponin.
D. tropomyosin
