Question

1. An example of the pupillary reflex: when shining a light into the left eye only, the pupils in both the left eye and right eye get smaller.

True or false

2. Umami is described as a “savory” or “meaty” taste.

True or false

3. The vertebral column ( spinal column) is part of the appendicular skeleton.

True or false

4. The joints between the teeth and mandible (jaw) are fibrous joints.

True or false

5. Which of the following joints allow rotation:

Select one

A. Hinge

B. Pivot

C. saddle

D. Ball and socket

Answer 1

1. True

For normal pupillary light reflex, both pupils constrict simultaneously when light is shone into either eye. For example, if the light is shone into left eye only, left pupil constriction is a direct pupillary light reflex, and simultaneous right pupil constriction is a consensual pupillary light reflex. Therefore, light shone into one eye causes Ipsilateral Direct Pupillary Light Reflex and Contralateral Consensual Pupillary Light Reflex.

2. True

This 5^th basic taste - alongside sweet, sour, salty, and bitter was named umami, meaning "savoriness" in Japanese. Umami can be experienced in foods such as mushrooms, anchovies, and mature cheeses, as well as in foods enhanced with monosodium glutamate, a sodium salt derived from glutamic acid. It is a category of taste in food (besides sweet, sour, salt, and bitter), corresponding to the flavour of glutamates, especially monoso.

3. False

The Appendicular Skeleton includes all bones of the upper and lower limbs, and also the bones that attach each limb to the axial skeleton. There are 126 bones in the appendicular skeleton of an adult.

The Axial Skeleton of the adult consists of 80 bones, including the skull, the vertebral column, and the thoracic cage. The skull is formed by 22 bones and also associated with the head are an additional seven bones, including the hyoid bone and the ear ossicles. The vertebral column consists of 24 bones. The thoracic cage includes 12 pairs of ribs, and the sternum, the flattened bone of the anterior chest.

4. True

A gomphosis, also known as a dentoalveolar syndesmosis, is a joint that binds the teeth to bony teeth sockets in the maxillary bone and mandible. The fibrous connection between a tooth and its socket is a periodontal ligament. Specifically, the connection is made between the maxilla or mandible to the cementum of the tooth. Gomphoses are immovable.

5. Joints that allow rotation - B. Pivot

D. Ball and Socket Joint.

Joints that does not show rotation are - A. Hinge Joint

C. Saddle Joint

Hinge Joint shows Flexion and Extension movement

Saddle Joint shows Flexion, Extension, Adduction and Abduction