Which one of the following is the correct description of a certain part of a normal human skeleton:
1. | First vertebra is the axis which articulates with the occipital condyles |
2. | The 9th and 10th pairs of ribs are called the floating ribs |
3. | Glenoid cavity is a depression to which the thigh bone articulates |
4. | Parietal bone and the temporal bone of the skull are joined by fibrous joint |
Which one of the following pairs of structures is correctly matched with their correct description:
Structure | Description | |
1. | Cartilage and cornea |
No blood supply but do require oxygen for respiratory need |
2. | Shoulder joint and elbow joint |
Ball and socket type of joint |
3. | Premolars and molars |
20 in all and 3- rooted |
4. | Tibia and fibula |
Both form parts of knee joint |
The type of muscles present in our:
1. | upper arms are smooth muscle fibres fusiform in shape |
2. | heart is involuntary and unstriated smooth muscles |
3. | intestine are striated and involuntary |
4. | thighs are striated and voluntary |
Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.
Pairs of skeletal parts |
Category |
|
1. |
Malleus and stapes |
Ear ossicles |
2. |
Sternum and Ribs |
Axial skeleton |
3. |
Clavicle and Glenoid cavity |
Pelvic girdle |
4. |
Humerus and ulna |
Appendicular skeleton |
Which one of the following pairs of chemical substances, is correctly categorised?
1. | Pepsin and prolactin - Two digestive enzymes secreted in the stomach |
2. | Troponin and myosin - Complex proteins in striated muscles |
3. | Secretin and rhodopsin - Polypeptide hormones |
4. | Calcitonin and thymosin - Thyroid hormones |
1. | Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing |
2. | Accumulation of urea and creatine in the joints causes their inflammation |
3. | An overdose of vitamin D causes osteoporosis |
4. | Rapid contractions of skeletal muscles causes muscle dystrophy |
The contractile protein of skeletal muscle involving ATPase activity is:
1. tropomyosin
2. myosin
3. α-actinin
4. troponin
Which one of the following items gives its correct total number?
1. Floating ribs in humans - 4
2. Amino acids found in proteins - 16
3. Types of diabetes - 3
4. Cervical vertebrae in humans - 8
In human body, which one of the following is anatomically correct?
1. | Floating ribs-2 pairs | 2. | Collar bones-3 pairs |
3. | Salivary glands-1 pair | 4. | Cranial nerves-10 pairs |