Answer:
The correct option is : c. Teres Major
Explanation:
Rotator cuff muscle is the group of muscles and their tendons present in the shoulder. The function of rotator cuff muscle is to stabilize the shoulder, by keeping the ball of the humerus bone in the socket of the shoulder.
The four rotator cuff muscles and their functions-
- Supraspinatus muscle: abduction of humerus
- Infraspinatus muscle: external rotation of humerus
- Teres minor muscle: external rotation of humerus
- Subscapularis muscle: internal rotation of humerus
Therefore, the rotator cuff muscle does not contain the teres major muscle.
Answer: a. Its first capillary beds drain into arterioles.
Explanation:
The kidneys are the two filtering units in the bodies. Inside each kidney their is a filteration unit called as glomerulus. This includes a group of blood vessels called as capillaries. The blood enters the capillaries by afferent arterioles and leaves by the virtue of efferent arterioles.
Answer:
Is a bone marrow biopsy painful? Most people need only local anesthesia, as bone marrow aspiration, in particular, can cause brief, but sharp, pain. Individuals are fully awake during the procedure, but the aspiration and biopsy site will be numbed to reduce pain.
