Question

1. Which of the following tissue types is considered to be excitable? A. Adipose tissue
   B. Cardiac muscle tissue
   C. Dense regular connective tissue

   D. Pseudostratified columnar epithelium E. Simple squamous epithelium

2. This bone is considered to be part of the lower appendage A. Coccyx

   B. Coxal bone C. Hamate
   D. L5 vertebra E. Sacrum

3. The thoracic vertebrae are __________ to the sternum A. Anterior

   B. Lateral
   C. Posterior
   D. Superior
   E. It cannot be determined, because it depends on the body position

4. The cell in this picture is in which phase of the cell cycle? A. Anaphase
   B. G1
   C. Metaphase

   D. S
   E. Telophase

The majority of blood cell formation occurs in    A. Red bone marrow
B. The bloodstream
C. The osteon

D. The periosteum
E. Yellow bone marrow

Answer 1

1. Answer; B) cardiac muscle tissue
Reason ; Among the listed different types of tissue the one type of tissue that undergoes action potential when it is stimulated by the external forces is the above mentioned type of tissue in the heart. Other listed tissue have no any excitable action. Therefore the above mentioned option would be the appropriate one.

2. Answer; B) coxal bone
Reason ; The above mentioned bone include the different type of bone present in the pelvic bones, and these bones are attached to the lower appendages of the human body. Therefore the above mentioned option would be the appropriate one.

3. Answer; C) posterior
Reason ; The sternum is found in the front of these mentioned thoracic region, therefore the thoracic would be considered as posterior when it is related with the sternum bone.

5. Answer ; A) Red bone marrow