Exposure to Sarin, a nerve gas will cause all the following except:
1. Failure to release acetylcholine at the neuromuscular junction
2. Prolonged depolarization of the motor end plate
3. Paralysis eventually leading to death
4. Inability to break down acetylcholine
Identify the correct statement regarding the type I fibers:
1. They have fewer mitochondria than type II fibers
2. Type I fibers fatigue faster than type II fibers
3. Type I fibers store more glycogen than type II fibers
4. Type I fibers have a smaller diameter than the type II fibers.
Identify the correct statement regarding the comparison of skeletal and smooth muscle:
1. Nervous stimulation of smooth muscle is always excitatory, whereas nervous stimulation of skeletal muscle may be excitatory or inhibitory.
2. The contractile activity of smooth muscle may be affected by hormones, whereas the contractile activity of the skeletal muscle is not.
3. Both ANS and somatic neural systems innervate smooth muscle, whereas skeletal muscle may be innervated by the somatic motor system only.
4. The calcium-binding protein in smooth muscle is troponin whereas in skeletal muscle, it is tropomyosin.
What type of bone is patella?
1. membranous
2. flat
3. sesamoid
4. horizontal
What type of cartilage is the articular cartilage?
1. hyaline
2. fibrous
3. elastic
4. calcified
Spongy bone is also called as:
1. cancellous
2. compact
3. horizontal
4. long
The vitamin required for collagen synthesis that holds teeth in their sockets is the vitamin:
1. A
2. B
3. C
4. D
The largest formen in the human body is:
1. foramen magnum
2. foramen of Monro
3. obturator foramen
4. iter
One of the unpaired facial bones of the skull that takes part in the formation of the nasal septum is:
1. sphenoid
2. vomer
3. nasal bone
4. lacrimal bone
The largest ankle bone is:
1. cuboid
2. navicular
3. calcaneus
4. talus