Exam multi choice SS Feb 2015

Question 1

1. The diaphragm separates the
   a. thoracic and abdominal cavities
   b. abdominal and pelvic cavities
   c. cranial and spinal cavities
   d. thoracic and pelvic cavities

Answer 1

A

Question 2

2. The term that is used to describe the type of solution that is the same as that of the cell is
   a. isotonic
   b. hypotonic
   c. hypertonic
   d. catatonic

Answer 2

A

Question 3

3. The correct sequence of events for a pathway showing a feedback system to initiate a response is
   a. effector > stimulus >receptor > control centre
   b. stimulus > receptor > control centre > effector
   c. receptor > stimulus > control center >effector
   d. stimulus > effector > control center > receptor

Answer 3

B

Question 4

4. The function of centrioles is to
   a. produce ATP
   b. provide a whip-like beating motion to move substances along cell surfaces
   c. serve as a site for ribosomal RNA synthesis
   d. organise the mitotic spindle in cell division

Answer 4

D

Question 5

5. Mitosis results in
   a. four genetically different cells that are haploid
   b. four genetically identical cells that are diploid
   c. two genetically identical cells that are diploid
   d. two genetically different cells that are haploid

Answer 5

C

Question 6

6. A pancreas cell makes proteins (enzymes) which it releases into the small intestine. The path of these proteins from synthesis to exocytosis at the pancreatic cell membrane is best outlined as
   a. Golgi > rough ER > Plasma membrane
   b. smoothER > Golgi > Plasma membrane
   c. rough ER > Golgi > Plasma Membrane
   d. nucleus > Golgi > Plasma Membrane

Answer 6

C

Question 7

7. The tissue that forms glands is
   a. connective tissue
   b. muscle tissue
   c. nervous tissue
   d. epithelial tissue

Answer 7

D

Question 8

8. The epithelial tissue found in areas exposed to friction is
   a. stratified cuboidal
   b. pseudostratified columnar
   c. stratified squamous
   d. stratified columnar

Answer 8

C

Question 9

9. The type of fibres found in a tendon to provide toughness and strength is
   a. collagen
   b. elastin
   c. tendin
   d. reticular

Answer 9

A

Question 10

10. The vitamin that is important in blood clotting is
    a. vitaminC
    b. vitaminA
    c. vitamin D
    d. vitaminK

Answer 10

D

Question 11

11. The universal donor is blood group
    a. A
    b. B
    c. O
    d. AB

Answer 11

C

Question 12

12. The percentage of red blood cells found in a blood sample is known as
    a. haemostasis
    b. haematocrit
    c. haemopoiesis
    d. haemoglobin

Answer 12

B

Question 13

13. David has suffered burns and he was informed that the epidermal and upper dermal layers of the skin are damaged, which indicate ______ degree burn.
    a. first
    b. second
    c. third
    d. fourth

Answer 13

B

Question 14

14. As part of the inflammatory response, mast cells release
    a. histamine
    b. interferon
    c. clotting factors
    d. cytokines

Answer 14

A

Question 15

15. The involuntary muscle attached to the hair follicle is called
    a. arrector pili
    b. smooth muscle layer
    c. dermal papillae
    d. microvilli

Answer 15

A

Question 16

16. Cells that increase their secretion when stimulated by ultraviolet light rays are
    a. Merkelcells
    b. keratinocytes
    c. melanocytes
    d. fibroblasts

Answer 16

C

Question 17

17. A normal blood pressure may be recorded as
    a. 120 mmHg (diastolic pressure)/80 mmHg (systolic pressure)
    b. 120 mmHg (systolic pressure)/80 mmHg (diastolic pressure)
    c. 140 mmHg (diastolic pressure)/90 mmHg (systolic pressure)
    d. 140 mmHg (systolic pressure)/90 mmHg (diastolic pressure)

Answer 17

B

Question 18

18. The blood vessel which supplies the myocardial cells with oxygenated blood is the
    a. coronary artery
    b. coronary vein
    c. coronary sinus
    d. pulmonary artery

Answer 18

A

Question 19

19. The tissue type responsible for vasoconstriction of blood vessels is
    a. smooth muscle in the tunica intima
    b. smooth muscle in the tunica media
    c. endothelium in the tunica intima
    d. endothelium in the tunica media

Answer 19

B

Question 20

20. Ventricular depolarization is represented on the ECG by the
    a. P wave
    b. T wave
    c. ST segment
    d. QRS complex

Answer 20

D

Question 21

21. A forced inspiration involves
    a. contraction of the diaphragm, external intercostal muscles and neck muscles
    b. relaxation of the diaphragm, external intercostal muscles and neck muscles
    c. contraction of the internal intercostal muscles
    d. relaxation of the external intercostal muscles

Answer 21

A

Question 22

22. Carbon dioxide is mostly carried in the blood
    a. attached to haemoglobin
    b. in the form of bicarbonate (HCO3 )
    c. dissolved in the plasma
    d. as microscopic bubbles

Answer 22

B

Question 23

23. The exchange of oxygen and carbon dioxide between the blood and tissues is known as
    a. pulmonary respiration
    b. external respiration
    c. internal respiration
    d. cellular respiration

Answer 23

C

Question 24

24. The class of antibodies which causes allergies is
    a. IgA
    b. IgD
    c. IgE
    d. IgG

Answer 24

C

Question 25

25. The lymphatic ducts that direct lymph back into blood circulation are called the _________ duct and the ________ duct
    a. anterior lymphatic, abdominopelvic
    b. left lymphatic, subclavian
    c. subclavian, thoracic
    d. right lymphatic, thoracic

Answer 25

D

Question 26

26. An example of a second line of defence is
    a. inflammatory reaction
    b. antibody-antigen reaction
    c. intact skin
    d. lysozyme secretion in tears

Answer 26

A