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Anna Greenberg
Human Anatomy Week 6-12
| Question | Answer |
|---|---|
| The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the | serratus anterior. |
| This arrangement of muscle fascicles tends to be triangular in shape. The Pectoralis major is an example of a muscle with this type of muscle fascicle arrangement. | convergent |
| The muscle(s) assisting in rotating the arm outward is (are) the: | teres minor. |
| The most common type of lever in the body is a _____-class lever. | third. |
| This is the site of communication between neurons. | synapse. |
| This tends to be the longest cytoplasmic projection from a neuron. | axon |
| The two efferent divisions of the autonomic nervous system are the | sympathetic and parasympathetic divisions. |
| Spinal cord tracts provide conduction paths to and from the brain. The tracts that conduct sensory impulses down the cord from the brain are called _____ tracts. | descending. |
| Endolymph-filled structure containing receptors for hearing. | cochlear duct. |
| Endolymph is made | in the stria vascularis. |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells. |
| From which vessels do myocardial cells receive blood? | coronary arteries. |
| The internal environment of the human body is protected by the _____, which is(are) referred to as the first line of defense. | skin. |
| Hassall corpuscles are part of the: | thymus. |
| The largest of the paranasal sinuses is the: | maxillary. |
| Which of the following is not part of the respiratory membrane? | Ciliated respiratory mucosa |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11. |
| The eustachian tube connects the middle ear with the: | nasopharynx. |