Before exploring the functions of the different cells and organs involved in digestion, you must first be able to use the vocabulary effectively. This activity asks you to place the correct terms into the appropriate sentences to complete the descriptions of the digestive processes, from the initial stages of digestion through elimination.
A 25-year-old professional football player sustains a tear of the Rectus Femoris. An X-Ray reveals that the Rectus Femoris tendon has torn off its proximal attachment (origin) and has taken a piece of its attachment with it. Which bony landmark is this injury most likely associated with?
Herry tells her physician that she has been restless and irritable lately. Sherry has a hard time sleeping and complains of diarrhoea and shortness of breath. During the examination, her physician noticed a higher-than-normal heart rate and decreased circulating levels of cholesterol.
A kidney specimen is presented at medium power and intentionally presented in grey scale without colour to test your skill in critical observation of structure. Identify the tissue that lines the spaces (lumen of kidney tubules) that are indicated by blue triangles. They are all lined with the same type of fissue.
Intercalated discs desmosomes contract gap junctions. Cardiocytes are connected by structures called Intercalated discs. They include fascia adherents, actin and myosin filaments attached to plasma membranes, and weld-like structures called the cytoplasms between adjacent cells, which are connected and permit ions to pass from one cell to the next. The movement of ions between adjacent cells is exceptionally important as it allows all cardiocytes in a chamber wall to depolarize and subsequently simultaneously.
A 24 year old man is brought to the physician because of a 3 day hsitory of progressive numbness of both feet that now has ascended to the level of his thighs. In the last 24 hours, he has developed numbness and tingling of his hands. Physical examination shows an ataxic gait. Deep tendon reflexes are diminished in the upper extremities and absent at the knees and ankles. Sensation to vibration and joint position is abent in the fingertips and feet bilaterally. There is mild weakness of the distal upper extremities and moderate weakness of the lower extremities. A process involving which of the following structures is the most likley explanation for these sensory findings? 1. Dorsal spinocerebellar tract 2. Faciculus cuneatus 3. Faciculus gracilis 4. Myelinated primary afferents 5. Unmyelinated primary afferents 6. Ventral spinocerebellar tract
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