Low Ca²⁺ in the body fluid may be the cause of

Stimulation of a muscle fibre by a motor neuron occurs at
1. the neuromuscular junction
2. the transverse tubules
3. the myofibril
4. the sarcoplasmic reticulum

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in
1. vertebrae
2. nails
3. ear ossicles
4. tip of the nose

The axial skeleton in human beings include:

1. skull, vertebral column, hyoid bone and rib cage

2. arms, legs, and pelvic girdle

3. skull and pectoral girdle

4. sternum, rib cage, vertebral column, and pelvic girdle

The highest position in the human skull is occupied by:

The bone that provides attachment to the tongue but does not directly articulate with another bone is:

A perforated cribriform plate through which the fibers of olfactory nerve pass is seen in:

1. ethmoid bone

2. sphenoid bone

3. zygomatic bone

4. maxillary bone

The foramen magnum is the hole in the base of the skull through which the spinal cord passes and is located in the:

1. frontal bone

2. sphenoid bone

3. parietal bone

4. occipital bone

The ear ossicles include:

1. anvil, stapes, and incus

2. stapes, malleus, and incus

3. malleus, hammer, and stirrup

4. annulus, hyoid, and vestibular

When compared with others the relatively more freely movable skull bone would be:
1. vomer
2. mandible
3. sphenoid
4. maxilla