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lab practical 2
Bio 2050 lab practical 2
| Question | Answer |
|---|---|
| yellow marrow is made up of adipose tissue. what is the function? | The function of yellow marrow is the storage of energy |
| consider the following bones, femur, humerus, sternum, scapula, and ribs. which of these contain compact bone? which of these bones contain marrow? | all bones |
| in general terms why is it important for at least some of the cranial bones to have holes? | so that nerves and blood vessels can enter and exit cranium. |
| what is the collective function of auditory ossicles? | the function is to transmit sound. |
| with what structure does the temporal process of the zygomatic bones articulate? | the zygomatic bone has a temporal process that articulates with the zygomatic process of the temporal bone to form the zygomatic arch |
| what two pairs of bones make up the hard palate?what two structures make up the hard palate? | the palantine process of the maxillae and the horizontal plate process of the palantine bones form the hard plate. |
| what painful condition occurs when the passages from the paranasal sinuses into the nasal cavity are blocked? | sinusitis sinus headache |
| the human skeleton is made up of _____ bones | 206 |
| the axial skeleton is made up of ______bones | 80 |
| what are four sutures that involve the parietal bone? list the four sutures, and | sagittal- parietal bone, coronal-frontal bone, lambdoidal,- occipital bone squamous- temporal bone |
| what is one function of the hyoid bone | attachment site for muscles involving swallowing |
| What structures form the sides and the top of the vertebral arch? | The sides are formed by the pedicles and the laminae |
| What is the function of the articular process? | The articular process stabilizes the vertebral column and restrict movement of the vertebrae |
| What is the job of Atlas from Greek mythology? Why is C1 called atlas | Atlas held up the earth, the atlas of the spine supports the skull |
| The auricular surfaces of the sacrum are very rough, not smooth. What does this tell you about the sacroiliac joint? | The sacroiliac joint does not move. The rough surfaces hold the bones together . |
| With what specific structure does the turbecle of a rib articulate? | Costal facet of the thoracic vertebra |
| How many pairs of ribs are false , but not floating ? Are there any ribs that are floating but not false | 3, no |
| What organs are protected by the ribs ? What organ is protected by the sternum? | Lungs, heart |
| The shoulder joint allows a wide range of movement, but it also easily dislocated. What is it about the shape of the scapula that makes this so? | The glenoid cavity is a nearly flat surface, not a deep socket. Therefore it is not difficult for the head of the humerus to slip out the glenoid cavity |
| Each clavicle has two ends . What are the names of these ends,and with what structure does each articulate | The acromial end articulates with the acromion of the scapula . The sternal end articulates with the manubrium of the sternum |
| What structure forms prominent bump that you would commonly call your elbow | Olecranon |
| What two bones form the joint that allows angular movement at the elbow joint. | The humerus and ulna |
| How many phalanges are in one hand ? | 14 |
| How many bones are found in the superior appendages? Beginning with the humorous and working distantly with all of them and the number of each in the space below. | Humorous 1 radius, 1 Ulna 1 carpals 8 metacarpals 5 phalanges 14 |
| How many bones are included in the pelvic girdle of an adult? | Two left and right coxal bones |
| How many joints are involved in the structure of the pelvis,? name each joint and identify the bow associated with each joint | Four joints are involved in the formation of the pelvis, two sacroiliac joints, one pubic symphysis, one joint between the sacrum and coccyx |
| What structure forms the prominent bump on the inner surface of your ankle? what bone is this structure part of? | Medial malleolus tibia |
| What structure forms the prominent bump on the outer surface of your ankle? what is the surface part of? | Lateral malleolus fibula |
| If the knee is struck from the lateral surface, which of the collateral ligaments is most likely to tear? | The tibial collateral ligament is most likely to tear if the knee is struck laterally |
| What type of joint is the femoropatellar joint? What type of motion does this joint allow? | The femoropatellar joint is a plane joint. It allows gliding motion. |
| What type of joint is the tibiofemoral joint? What type of motion does this joint allow? | The tibiofemoral joint is a hinge joint. It allows flexión and extension. |
| How many phalanges are in one foot | 14 phalanges in each foot the same number in each hand |
| How many bones are found in one of the inferior appendages? beginning with a femur and working distally list all of them and the number of each in the space below | Femur1 Patella1 Tibia1 Fibula1 Tarsals7 Metatarsals 5 Phalanges 14 |
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