Transcribed Image Text: I. Select ONE best answer: 1. All the following are true for cardiac muscle EXCEPT: (a) Involuntary control (b) Striated (c) Several nuclei (d) Intercalated discs 2.

Transcribed Image Text: I. Select ONE best answer:
1. All the following are true for cardiac muscle EXCEPT:
(a) Involuntary control
(b) Striated
(c) Several nuclei
(d) Intercalated discs
2. Regeneration by scar tissue occurs in:
(a) Nervous tissue
(b) Smooth muscle
(c) Skin
(d) Bone
3. The components of reflex arc include:
(a) Receptor
(b) Afferent fiber
(c) Center
(d) All of the above
4. nge joint include:
(a) Elbow
(b) Thumb
(c) Shoulder
(d) Wrist
5. Causes of muscle fatigue include
(a) Lack of oxygen
(b) Consumption of acetyl choline
(c) Accumulation of lactic acid
(d) All of the above
6. Importance of negative intrapleural pressure include:
(a) It s lung collapse
(b) It s venous return
(c) It prevents lymphatic return
(d) All of the above Transcribed Image Text: 7. All the following increase the rate of diffusion of gases through
the respiratory membrane EXCEPT:
(a) Surface area of respiratory membrane
(b) Pressure gradient across the membrane
(c) Thickness of the membrane
(d) Temperature
8. All the following increase cause shift of O2 – HB dissociation
curve to the right EXCEPT:
(a) Increase temperature
(b) Increase CO2
(c) Increase pH
(d) Increase 2,3-diphosphoglycerate (2,3-DPG)
9. The powerful phagocytic blood cell is:
(a) Eosinophil
(b) Neutrophil
(c) Lymphocyte
(d) Monocyte
10. The pacemaker of the heart is:
(a) The atrioventricular node
(b) The sinoatrial node
(c) The atrioventricular bundle
(d) The bundle branches
11. Contractility of the heart is increased by:
(a) Exercise
(b) Parasympathetic stimulation
(c) Bleeding
(d) Heart failure
12. P-wave in electrocardiogram (ECG) means:
(a) Ventricular contraction
(b) Atrial contraction
(c) Ventricular relaxation
(d) Atrial relaxation
13. Which gastric gland secretes pepsinogen?
(a) Mucus cel|
(b) Chief cell
(c) Argentaffin cell
(d) Parietal cell|
2.