MULTIPLE CHOICE QUESTIONS
These multiple choice questions are based on the facts in the book, so why not test your understanding of what you have read? There is one correct answer to each question. The answers can be found on page 224.
Section I-The Dog and Cat
I. Principles of Cell Biology
1.1 The cell membrane is mainly composed of:
a. a single Iayerof protein molecules
b. a protein bilayer
c. a phospholipid bilayer
d. a polysaccharide bilayer
1.2 Which of (he following is not found in the nucleus of the cell?
a. centrioles
b. chromosomes
c. DNA
d. nucleoli
1.3 Which organelle is the site for ATP production?
a. nucleoli
b. mitochondria
c. golgi complex
d. ribosomes
What is the function of the rough endoplasmic reticulum in the mammalian cell?
storage of lysosomal enzymes synthesis and transport of proteins synthesisof glucose production of ATP
1.5 During which stage of mitosis do the chromosomes line up in the middle of the cell?
a. prophase
b. anaphase
c. metaphase
d. telophase
1.6 When does ’crossing-over’ take place during meiosis?
a. metaphase
b. prophase
c. anaphase
d. telophase
1.7 Fluid that has a lower osmotic pressure than that of plasma is said to be:
a. hypotonic
b. isotonic
c. hypertonic
d. isometric
1.8 Which of the following cations is in a relatively higher concentration in the intracellular fluid than in the extracellular fluid?
a. potassium
b. iodine
c. Sixlium
d. chloride
1.9 Which of the following is not an example of a structural protein?
a. collagen
b. enzymes
c. elastin
d. keratin
1.10 Which of the following statements is the least accurate?
a. an acidic solution has a pH of below 7
b. the pl 1 scale is a measure of a solution’s hydrogen ion content
c. an alkaline substance releases hydrogen ions when dissolved in a solution
d. the pH of bdura mater, pia mater, arachnoid mater
5.6 The aqueduct of Silvius lies within which part of the central nervous system?
a. midbrain
b. hindbrain
c. spinalcord
d. forebrain
5.7 Which of the following cranial nerves is responsible for gustation?
a. olfactory
b. glossopharyngeal
c. optic
d. trochlear
5.8 Which of the following statements is true.'
a. The pholoreceptorcclls within the back of the eye and known as rods are responsible for colour vision.
b. The pupil of the cat is rounded.
c. Aqueous humour lies within the posterior chamber of the eye.
d. The cells of the tapetum Iucidum reflect light back to the photoreceptor cells of the retina.
5.9 Which of the following reflexes is routinely used to test for the level of anaesthesia?
a. palpebral
b. panniculus
c. anal
d. patella
5.10 Which structure is used to monitor balance?
a. organ of corti
b. tympanic membrane
c. malleus
d. utricle and saccule