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Anhe 211: Animal Physiology Question Paper

Anhe 211: Animal Physiology

Course:Bachelor Of Science In Animal Science

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS
SECOND YEAR EXAMINATIONS FOR THE AWARD OF DEGREE IN BACHELOR OF SCIENCE ANIMAL SCIENCE
ANHE 211: ANIMAL PHYSIOLOGY
STREAMS: BSC ANSC Y2S2 TIME: 2 HOURS
DAY/DATE: FRIDAY 19/4/2013 8.30 AM – 10.30AM
INSTRUCTIONS:

SECTION A (answer all questions)

1. Briefly describe or list:

(a) Four (4) driving forces that regulate the exchange of materials between body fluid
compartments. [2 Marks]

(b) The neuro-muscular transmission of impulses. [2 Marks]

(c) Panting [2 Marks]

(d) The transmitter substances produced in the autonomic nervous system.
[2 Marks]

(e) Two differences between skeletal and smooth muscles. [2 Marks]

(f) Two differences between parasympathetic and sympathetic nervous system. [2 Marks]

2. Define the following terms:

(a) Ketosis [1 Mark]

(b) Radiation [1 Mark]

(c) Segmentation contraction [1 Mark]

(d) Rumination [1 Mark]

(e) Hyperglycaemia [1 Mark]

(f) Ventilation [1 Mark]

(g) Portal vein [1 Mark]

(h) Respiratory acidosis [1 Mark]

(i) Ventricular systole. [1 Mark]

3. Give one important role of the following:

(a) Aldosterone [1 Mark]

(b) Lymph nodes [1 Mark]

(c) Pulmonic valve [1 Mark]

(d) Oxytocin [1 Mark]

(e) Neutrophils [1 Mark]

(f) Maltase [1 Mark]

(g) Insulin [1 Mark]

(h) Thyroxine [1 Mark]

(i) Amylase [1 Mark]

SECTION B: (answer 3 questions)

4. Water balance in the body is important in driving physiological processes. [20 Marks]

(a) Briefly describe the changes in the body that accompany excessive diarrhea.
[8 Marks]

(b) Describe the formation of urine in the body. [6 Marks]

(c) Discuss the adaptation of animals to limited supply of water. [6 Marks]

5. (a) Briefly outline the process of skeletal muscle excitation and contraction.
[10 Marks]

(b) Briefly discuss the relationship between the withdrawal reflex and the crossed
extensor reflex. [4 Marks]

(c) Describe the origin and distribution of the electrical impulse that leads to the
contraction of the heart. [6 Marks]

6. Digestion is a complex process involving several activities at different times;

(a) Outline the digestion of carbohydrates in the rumen. [8 Marks]

(b) Discuss briefly the phases of gastric juice secretion [6 Marks]

(c) Describe the digestion of protein. [6 Marks]

7. Discuss the maintenance of normal body temperature of an animal. [20 Marks]

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Anhe 211: Animal Physiology Question Paper

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